Bitcoin-Qt wallet. All about cryptocurrency - BitcoinWiki

GAIAcoin

GAIA coin is an alternative cryptocurrency based on Bitcoin. GAIA coin offers the security and reliability of the blockchain with an Extensible, Skinnable, Modular platform design. Wallet users can buy and sell items inside the built-in store instantly with Gaia currency. [url=http://www.gaiaplatform.com]read more[/url]
[link]

Ancapraxis

To a better future
[link]

Colored coins: NGCCC preview build v0.0.2

Binaries:
(my pubkey)
This build fixes several bugs and make it easier to share asset definitions: it is now possible to copy the whole thing in JSON format.
Wallet is in testnet mode by default. (And I strongly recommend against using it in mainnet mode, even though it is possible.)
Use either gui (ngccc-gui) or command-line interface (ngccc-cli --help).
It requires bitcoind/bitcoin-qt in testnet mode running locally. To install it:
  1. Download bitcoin-qt from http://bitcoin.org
  2. Create bitcoin.conf with rpcuser and rpcpassword
  3. Run it like bitcoin-qt -server -testnet -txindex
submitted by killerstorm to coloredcoin [link] [comments]

Bitcoin mining setup on Mountain Lion throwing an error...

Hey all... I am getting an error when I attempt to start up bit coin on my Mountain Lion setup... Agamemnon:poclbm JP$ /Applications/Bitcoin-Qt.app/Contents/MacOS/bitcoin-qt -server & [1] 46626 Agamemnon:poclbm JP$ python /Applications/poclbm/poclbm.py -u XXXX --pass XXXX -d 0libc++abi.dylib: terminate called throwing an exception
Traceback (most recent call last): File "/Applications/poclbm/poclbm.py", line 3, in from BitcoinMiner import * File "/Applications/poclbm/BitcoinMiner.py", line 4, in from log import * ImportError: No module named log [1]+ Abort trap: 6 /Applications/Bitcoin-Qt.app/Contents/MacOS/bitcoin-qt -server
I have googled the above error with little success. Anyone else out there using mountain Lion? If this helps, I installed the latest bitcoin which is called bitcoin QT. The docs I have for mining setup dictate to edit the bit coin.conf file and add "echo "rpcuser=username" > ~/Library/Application\ Support/Bitcoin/bitcoin.conf echo "rpcpassword=password" >> ~/Library/Application\ Support/Bitcoin/bitcoin.conf"
There was not a bit coin.conf file, so I created it and added the two requisite lines above.
Still get the error "abi.dylib: terminate called throwing an exception" and bit coin crashes.
Any help out there?
Thank you..
CW
submitted by Chowderwhore to Bitcoin [link] [comments]

12-30 21:33 - 'THAT'S RIDICULOUS!!! YOU DON'T NEED TO RUN AN ELECTRONEUM SERVER TO USE THE CORE WALLET/NODE. AND THE QT CORE IS JUST AS SIMPLE AS ELECTRUM (I THINK EASIER) PLUS IT ALLOWS FOR SO MUCH MORE FLEXIBILITY SHOULD YOU WISH TO...' by /u/Nycmdthroaway removed from /r/Bitcoin within 130-140min

'''
THAT'S RIDICULOUS!!! YOU DON'T NEED TO RUN AN ELECTRONEUM SERVER TO USE THE CORE WALLET/NODE. AND THE QT CORE IS JUST AS SIMPLE AS ELECTRUM (I THINK EASIER) PLUS IT ALLOWS FOR SO MUCH MORE FLEXIBILITY SHOULD YOU WISH TO DELVE INTO THE ADVANCED FEATURES. THE ONLY CAVEAT IS THE TIME TO SYNC AND THE SPACE REQUIRED. BUT IF EVERYONE SAID "FUCK THAT I'M NOT WASTING 250GB AND RUNNING MY WALLET 24/7 TO GET/KEEP IT SYNCED, OR WAITING FOR IT TO RESYNC EVERY TIME I WANT TO SPEND" THEN BITCOIN WOULD HAVE NO DECENTRALIZATION LEFT (WHICH HONESTLY IF YOU LOOK AT THE DECREASE IN NODES RUNNING, YOU'D SEE THAT'S WHAT'S HAPPENING.) ACTUALLY BELIEVE IN BITCOIN? THEN PUT UP OR SHUT UP!
Just run the core node! A.K.A. the full wallet. You don't need to set up an electrum server. That would only be if you wanted to contribute to the electrum network by serving as a public server. But honestly, it's much better to run the core in terms of decentralization anyway.
It requires no technical know-how! Only a couple hundred gigs of hard drive space and a week of letting the blockchain sync (for an average PC that's a few years old). And you can "prune" the node after it finishes syncing so you'll only need ~10GB of space when all's said and done (although you must have at least 250GB free to properly sync). Just download the official qt for whatever flavor of bitcoin/altcoin you need and run the installer.
It's honestly just as easy as electrum- you just need to sync first before you can spend.
Importing the xpriv's from your old electrum wallet is easy...
  1. Open debug window (help>debug window)
  2. Click on the 'command line' tab.
  3. Type `importprivkey ' (no <>).
*To get your xpriv (AKA private keys, out of electrum, right mouse button on all your addresses with funds and select show private key. Do this for each private key, importing one by one and you're done. If the repetition is too much for you. Just send all your coins to a single address first.
*NOTE THAT YOU MAY ALSO CHOOSE TO SIMPLY GENERATE A NEW ADDRESS FROM THE GUI IN THE CORE NODE AND SEND YOUR COINS FROM ELECTRUM TO YOUR NEW NODE. YOU MAY DO THIS AS SOON AS YOU'RE DONE SETTING UP THE CLIENT- HOWEVER YOU WON'T SEE THE TRANSACTION COME THRU UNTIL YOUR NODE SYNCS SO DON'T BE WORRIED ABOUT THAT ASPECT *
It'll take 7 minutes to set up and then you will not only be running securely, able to use any address format you want (including the segwit P2SH keys everyone should use for BTC), your txns and IP aren't logged by a random server, and you're helping maintain a Distributed Blockchain.
Forward the default port 8333 in your router NAT mapping and make yourself connectable to actually make a difference.
You'll probably notice your transactions confirm a tad bit faster during times of congestion as well.
'''
Context Link
Go1dfish undelete link
unreddit undelete link
Author: Nycmdthroaway
submitted by removalbot to removalbot [link] [comments]

If you run a BitcoinXT server node (i.e., run "bitcoinxt" not "bitcoin-qt"), how do you know if it's working?

How can you interrogate the daemon (sp?) to get various info like # of peers? Sorry for the beginner question!
submitted by chriswilmer to bitcoinxt [link] [comments]

Bitcoin-qt acting as DNS server. Can this be disabled?

Recently my computer's MAC address was banned from my school network because my computer was acting as a DNS service, resolving addresses such as dnsseed.bluematt.me. Upon investigation, I found that it was probably due to bitcoin-qt.
https://en.bitcoin.it/wiki/Satoshi_Client_Node_Discovery
So, does anyone know how I can run bitcoin-qt without it performing DNS services? The school's IT sec is concerned that this is bitcoin mining malware, and also DNS services are not allowed to begin with as they are often a symptom of malware. Thanks.
submitted by damnshiok to BitcoinWallet [link] [comments]

Tutorial: Using Bitcoin-QT as a JSON RPC Server (C# sample but could be used with any language)

submitted by 100acrewood to BitcoinCode [link] [comments]

Power of the Command Line (bitcoin-cli, hwi, electrum, trezorctl)

I think some of the console tools available with HW wallets today are greatly under utilized. Here's a quick write-up on how to create and sign a TXN very similar to 43d27...1fc06 found on the SLIP-14 wallet. I'll be using TrezorCTL, Electrum, and HWI for the signing. I won't go much into the setup or install, but feel free to ask if you have questions about it. Note, you don't have to use all three of these. Any one will produce a valid signed TXN for broadcast. I just showed how to do it three ways. Whats more some of the Electrum and HWI steps are interchangeable.
ColdCard also has a utility called ckcc that will do the sign operation instead of HWI, but in many ways they are interchangeable. KeepKey and Ledger both have libraries for scripted signing but no one-shot, one-line console apps that I know of. But HWI and Electrum of course work on all four.

TrezorCTL

This is the what most would think of to use to craft and sign TXNs, and is definitely very simple. The signing uses a script called build_tx.py to create a JSON file that is then used by the btc sign-tx command. The whole process is basically:
  1. tools/build_tx.py | trezorctl btc sign-tx -
This just means, take the output of build_tx and sign it. To copy 43d27...1fc06, I wrote a small script to feed build_tx, so my process looks like:
  1. ~/input.sh | tools/build_tx.py | trezorctl btc sign-tx -
But it's all very simple. Note... I used TrezorCTL v0.12.2 but build_tx.py version 0.13.0 1.

input.sh

```

!/bin/bash

secho() { sleep 1; echo $*}
secho "Testnet" # coin name secho "tbtc1.trezor.io" # blockbook server and outpoint (below) secho "e294c4c172c3d87991b0369e45d6af8584be92914d01e3060fad1ed31d12ff00:0" secho "m/84'/1'/0'/0/0" # prev_out derivation to signing key secho "4294967293" # Sequence for RBF; hex(-3) secho "segwit" # Signature type on prev_out to use secho "" # NACK to progress to outs secho "2MsiAgG5LVDmnmJUPnYaCeQnARWGbGSVnr3" # out[0].addr secho "10000000" # out[1].amt secho "tb1q9l0rk0gkgn73d0gc57qn3t3cwvucaj3h8wtrlu" # out[1].addr secho "20000000" # out[1].amt secho "tb1qejqxwzfld7zr6mf7ygqy5s5se5xq7vmt96jk9x" # out[2].addr secho "99999694" # out[2].amt secho "" # NACK to progress to change secho "" # NACK to skip change secho "2" # txn.version secho "0" # txn.locktime ```

Electrum

Electrum is one of the better GUI wallets available, but it also has a pretty good console interface. Like before you need your Trezor with the SLIP-14 wallet loaded and paired to Electrum. I'll assume Electrum is up and running with the Trezor wallet loaded to make things simple.
Like with TrezorCTL, Electrum feeds on a JSON file, but unlike TrezorCTL it needs that JSON squished into the command line. This is a simple sed command, but I won't bore you with the details, but just assume that's done. So the process in Electrum (v4.0.3) looks like:
  1. electrum serialize (create psbt to sign)
  2. electrum --wallet signtransaction (sign said psbt)
Still pretty simple right! Below is the JSON I smushed for #1

txn.json

{ "inputs": [{ "prevout_hash":"e294c4c172c3d87991b0369e45d6af8584be92914d01e3060fad1ed31d12ff00", "prevout_n": 0, "value_sats": 129999867 }], "outputs": [{ "address": "2MsiAgG5LVDmnmJUPnYaCeQnARWGbGSVnr3", "value_sats": 10000000 },{ "address": "tb1q9l0rk0gkgn73d0gc57qn3t3cwvucaj3h8wtrlu", "value_sats": 20000000 },{ "address": "tb1qejqxwzfld7zr6mf7ygqy5s5se5xq7vmt96jk9x", "value_sats": 99999694 }]}

HWI

HWI is an unsung hero in my book. It's a very small clean and simple interface between HW wallets and Bitcoin Core. It currently supports a good range of HW wallets. It keeps itself narrowly focused on TXN signing and offloads most everything else to Bitcoin Core. Again, I'll assume you've imported your Trezor keypool into Core and done the requisite IBD and rescan. And if you don't have the RPC enabled, you can always clone these commands into the QT-console.
To sign our TXN in HWI (v1.1.2), we will first need to craft (and finalize) it in Bitcoin Core (0.21.1). Like in Electrum, we will have to use simple sed to smush some JSON into command arguments, but I'll assume you have that covered. It will take an inputs.json and an outputs.json named separately.
  1. bitcoin-cli createpsbt (create psbt)
  2. bitcoin-cli -rpcwallet= walletprocesspsbt (process psbt)
  3. hwi -f signtx (sign psbt)
  4. bitcoin-cli -rpcwallet= finalizepsbt (get a signed TXN from psbt)
A little more involved, but still nothing too bad. Plus this gives you the full power of Bitcoin Core including integrations with LND (lightning).

inputs.json

[{ "txid": "e294c4c172c3d87991b0369e45d6af8584be92914d01e3060fad1ed31d12ff00", "vout": 0 }]

outputs.json

[{ "2MsiAgG5LVDmnmJUPnYaCeQnARWGbGSVnr3": 0.10000000 },{ "tb1q9l0rk0gkgn73d0gc57qn3t3cwvucaj3h8wtrlu": 0.20000000 },{ "tb1qejqxwzfld7zr6mf7ygqy5s5se5xq7vmt96jk9x": 0.99999694 }]

Conclusion

This may all seem like very low level coding, but is surprisingly simple once you get a knack for it. Whats more, all these platforms support testnet which allows you to practice with valueless coins until you get the hang of it. And, like many things in bitcoin, this is all (mostly) python, which is one of the easier languages to learn.
Enjoy
Footnotes
1 - https://github.com/trezotrezor-firmware/issues/1296
submitted by brianddk to Bitcoin [link] [comments]

Cannot create wallet with Trezor

Hi guys, I am stuck trying to create a wallet for my Trezor with Electrum 4.0.4 on Linux:
I get to the point of entering the password twice and then selecting the path. But after that it just says
'Please wait' and then the window hangs. The only way to do something is either kill the process or send a `SIGINT` signal.
Interestingly after sending a SIGINT the window unfreezes and asks me again for the password (also during the whole freeze the Trezor device writes that I should enter my password). After entering the password again I get an empty error window and on closing it everything closes.
I started electrum with `electrum -v` to get some logs:
$ electrum -v I | logging | Electrum version: 4.0.4 - https://electrum.org - https://github.com/spesmilo/electrum I | logging | Python version: 3.8.6 (default, Sep 30 2020, 04:00:38) [GCC 10.2.0]. On platform: Linux-5.8.14-arch1-1-x86_64-with-glibc2.2.5 I | logging | Logging to file: None I | logging | Log filters: verbosity '*', verbosity_shortcuts '' I/p | plugin.Plugins | registering hardware bitbox02: ('hardware', 'bitbox02', 'BitBox02') I/p | plugin.Plugins | registering hardware coldcard: ('hardware', 'coldcard', 'Coldcard Wallet') I/p | plugin.Plugins | registering hardware digitalbitbox: ('hardware', 'digitalbitbox', 'Digital Bitbox wallet') I/p | plugin.Plugins | registering hardware keepkey: ('hardware', 'keepkey', 'KeepKey wallet') I/p | plugin.Plugins | registering hardware ledger: ('hardware', 'ledger', 'Ledger wallet') I/p | plugin.Plugins | registering hardware safe_t: ('hardware', 'safe_t', 'Safe-T mini wallet') I/p | plugin.Plugins | registering hardware trezor: ('hardware', 'trezor', 'Trezor wallet') I/p | plugin.Plugins | registering wallet type ('2fa', 'trustedcoin') D | util.profiler | Plugins.__init__ 0.0044 I/n | network | blockchains [0] I | exchange_rate.FxThread | using exchange CoinGecko D | util.profiler | Daemon.__init__ 0.0023 I/n | network | starting network I | daemon.Daemon | launching GUI: qt I/n | network | setting proxy None I | daemon.Daemon | starting taskgroup. I/n | network | connecting to electrumx.ftp.sh:50002:s as new interface I/n | network | starting taskgroup. I | gui.qt.history_list | could not import electrum.plot. This feature needs matplotlib to be installed. I | gui.qt.ElectrumGui | Qt GUI starting up... Qt=5.15.1, PyQt=5.15.1 I/i | interface.[localhost:50002] | connection established. version: ['ElectrumPersonalServer 0.2.0', '1.4'] D | util.profiler | ElectrumGui.__init__ 0.1374 I/i | interface.[vmd27610.contaboserver.net:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-2, 'Name or service not known'))) I/n | network | couldn't launch iface vmd27610.contaboserver.net:50002:s -- CancelledError() I/i | interface.[electrumx.ftp.sh:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-2, 'Name or service not known'))) I/n | network | couldn't launch iface electrumx.ftp.sh:50002:s -- CancelledError() I/i | interface.[rbx.curalle.ovh:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-2, 'Name or service not known'))) I/i | interface.[2AZZARITA.hopto.org:50006] | connection established. version: ['ElectrumX 1.15.0', '1.4'] I/n | network | couldn't launch iface rbx.curalle.ovh:50002:s -- CancelledError() I/i | interface.[2AZZARITA.hopto.org:50006] | set blockchain with height 653567 I/i | interface.[2AZZARITA.hopto.org:50006] | skipping header 653566 I/n | network | no height for main interface I/n | network | fee_estimates {25: 46526, 10: 48176, 5: 50745, 2: 50750} I/i | interface.[hsmiths4fyqlw5xw.onion:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-2, 'Name or service not known'))) I/n | network | couldn't launch iface hsmiths4fyqlw5xw.onion:50002:s -- CancelledError() I/n | network | switching to 2AZZARITA.hopto.org:50006:s I/i | interface.[electrum3.hodlister.co:50002] | connection established. version: ['ElectrumX 1.10.0', '1.4'] I/n | network | fee_histogram [[99, 100899], [71, 112316], [61, 132563], [59, 156116], [57, 175394], [54, 114050], [51, 219092], [49, 195934], [48, 565137], [47, 781451], [46, 883591], [45, 259824], [44, 450143], [43, 114488], [42, 22100], [41, 49428], [40, 106542], [38, 151315], [33, 547095], [22, 620244], [13, 648588], [9, 822409], [5, 741398], [3, 1799486], [2, 651429]] I/n | network | fee_histogram [[99, 100899], [71, 112316], [61, 132563], [59, 156116], [57, 175394], [54, 114050], [51, 219092], [49, 195934], [48, 565137], [47, 781451], [46, 883591], [45, 259824], [44, 450143], [43, 114488], [42, 22100], [41, 49428], [40, 106542], [38, 151315], [33, 547095], [22, 620244], [13, 648588], [9, 822409], [5, 741398], [3, 1799486], [2, 651429]] I/i | interface.[bitcoin.corgi.party:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-5, 'No address associated with hostname'))) I/n | network | couldn't launch iface bitcoin.corgi.party:50002:s -- CancelledError() I/i | interface.[electrumx-core.1209k.com:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(OSError(101, 'Network is unreachable'))) I/n | network | couldn't launch iface electrumx-core.1209k.com:50002:s -- CancelledError() I/i | interface.[electrum3.hodlister.co:50002] | set blockchain with height 653567 I/i | interface.[electrum3.hodlister.co:50002] | skipping header 653567 I/n | network | fee_estimates {25: 46526, 10: 48176, 5: 50745, 2: 50749} I/i | interface.[hsmiths5mjk6uijs.onion:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-2, 'Name or service not known'))) I/n | network | couldn't launch iface hsmiths5mjk6uijs.onion:50002:s -- CancelledError() I/i | interface.[dxm.no-ip.biz:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(ConnectionRefusedError(111, "Connect call failed ('77.6.34.45', 50002)"))) I/n | network | couldn't launch iface dxm.no-ip.biz:50002:s -- CancelledError() I/i | interface.[electrum2.eff.ro:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-2, 'Name or service not known'))) I/n | network | couldn't launch iface electrum2.eff.ro:50002:s -- CancelledError() I/i | interface.[electrum.hsmiths.com:50002] | disconnecting due to: ConnectError(ConnectionResetError(104, 'Connection reset by peer')) I/n | network | couldn't launch iface electrum.hsmiths.com:50002:s -- CancelledError() I | storage.WalletStorage | wallet path /home/bene/.electrum/wallets/default_wallet I/i | interface.[bitcoin.aranguren.org:50002] | connection established. version: ['ElectrumX 1.15.0', '1.4'] I | storage.WalletStorage | wallet path /home/bene/.electrum/wallets/default_wallet I/i | interface.[bitcoin.aranguren.org:50002] | set blockchain with height 653567 I/i | interface.[bitcoin.aranguren.org:50002] | skipping header 653566 [240/1884] I/n | network | fee_estimates {25: 46526, 10: 48176, 5: 50745, 2: 50749} I/i | interface.[localhost:50002] | set blockchain with height 653567 I/i | interface.[localhost:50002] | skipping header 653567 I/n | network | fee_estimates {25: 46526, 10: 48175, 5: 50745, 2: 50749} I/p | plugin.Plugins | loaded bitbox02 I/p | plugin.Plugins | loaded coldcard I/p | plugin.Plugins | loaded digitalbitbox I/p | plugin.Plugins | loaded keepkey I/p | plugin.Plugins | loaded ledger I/p | plugin.Plugins | loaded safe_t I/p | plugin.Plugins | loaded trezor I | plugin.DeviceMgr | scanning devices... D | util.profiler | DeviceMgr.scan_devices 0.0244 W | gui.qt.installwizard.InstallWizard | error getting device infos for bitbox02: Missing libraries for bitbox02. // Make sure you install it with python3 W | gui.qt.installwizard.InstallWizard | error getting device infos for coldcard: Missing libraries for coldcard. // Make sure you install it with python3 W | gui.qt.installwizard.InstallWizard | error getting device infos for keepkey: Missing libraries for keepkey. // Make sure you install it with python3 W | gui.qt.installwizard.InstallWizard | error getting device infos for ledger: Missing libraries for ledger. // Make sure you install it with python3 W | gui.qt.installwizard.InstallWizard | error getting device infos for safe_t: Missing libraries for safe_t. // Make sure you install it with python3 I | plugins.trezor.qt.Plugin | connecting to device at webusb:001:3 I | plugins.trezor.qt.Plugin | connected to device at webusb:001:3 I | plugin.DeviceMgr | Registering My TREZOF3342BDD7C90C7F9FBA58136 I | plugin.DeviceMgr | scanning devices... D | util.profiler | DeviceMgr.scan_devices 0.0388 I/i | interface.[localhost:50002] | skipping header 653567 qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 4028, resource id: 14687032, major code: 40 (TranslateCoords), minor code: 0 I | plugin.DeviceMgr | scanning devices... D | util.profiler | DeviceMgr.scan_devices 0.0407 
This is the point where the window freezes. Then I precc `Ctrl+C` to send a SIGINT signal and then this is the rest of the logs:
I/n | network | couldn't launch iface technetium.network:50002:s -- TimeoutError() I/n | network | couldn't launch iface e2.keff.org:50002:s -- TimeoutError() I/n | network | couldn't launch iface electrum-server.ninja:50002:s -- TimeoutError() I/n | network | couldn't launch iface xray587.startdedicated.de:50002:s -- TimeoutError() I/n | network | couldn't launch iface electrum.mindspot.org:50002:s -- TimeoutError() I/i | interface.[electrum.leblancnet.us:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-2, 'Name or service not known'))) I/n | network | couldn't launch iface electrum.leblancnet.us:50002:s -- CancelledError() I/i | interface.[ex01.axalgo.com:50002] | succeeded in getting cert I/i | interface.[electrumx.schulzemic.net:50002] | succeeded in getting cert ^CE | gui.qt.installwizard.InstallWizard | Traceback (most recent call last): File "/uslib/python3.8/site-packages/electrum/base_wizard.py", line 446, in on_hw_derivation xpub = self.plugin.get_xpub(device_info.device.id_, derivation, xtype, self) File "/uslib/python3.8/site-packages/electrum/plugins/trezotrezor.py", line 315, in get_xpub xpub = client.get_xpub(derivation, xtype) File "/uslib/python3.8/site-packages/electrum/plugin.py", line 362, in wrapper return run_in_hwd_thread(partial(func, *args, **kwargs)) File "/uslib/python3.8/site-packages/electrum/plugin.py", line 355, in run_in_hwd_thread return fut.result() File "/uslib/python3.8/concurrent/futures/_base.py", line 434, in result self._condition.wait(timeout) File "/uslib/python3.8/threading.py", line 302, in wait waiter.acquire() KeyboardInterrupt I/i | interface.[ex01.axalgo.com:50002] | connection established. version: ['ElectrumX 1.14.0', '1.4'] I/i | interface.[electrumx.schulzemic.net:50002] | connection established. version: ['ElectrumX 1.15.0', '1.4'] I/i | interface.[ex01.axalgo.com:50002] | set blockchain with height 653567 I/i | interface.[ex01.axalgo.com:50002] | skipping header 653567 I/n | network | fee_estimates {25: 46526, 10: 48176, 5: 50745, 2: 50749} I/i | interface.[electrumx.schulzemic.net:50002] | set blockchain with height 653567 I/i | interface.[electrumx.schulzemic.net:50002] | skipping header 653567 I/n | network | fee_estimates {25: 46526, 10: 48176, 5: 50745, 2: 50749} I/n | network | couldn't launch iface dragon085.startdedicated.de:50002:s -- TimeoutError() I/i | interface.[btc.electroncash.dk:60002] | succeeded in getting cert I/i | interface.[mxhwmwa3nt2si4ufszm24whlpkruu74jle27ys2fyjuiifbbrub6thyd.onion:50006] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-2, 'Name or service not known'))) I/n | network | couldn't launch iface mxhwmwa3nt2si4ufszm24whlpkruu74jle27ys2fyjuiifbbrub6thyd.onion:50006:s -- CancelledError() I/i | interface.[electrum2.villocq.com:50002] | disconnecting due to: ErrorGettingSSLCertFromServer(ConnectError(gaierror(-5, 'No address associated with hostname'))) I/n | network | couldn't launch iface electrum2.villocq.com:50002:s -- CancelledError() I/i | interface.[btc.electroncash.dk:60002] | connection established. version: ['ElectrumX 1.15.0', '1.4'] I/i | interface.[btc.electroncash.dk:60002] | set blockchain with height 653567 I/i | interface.[btc.electroncash.dk:60002] | skipping header 653567 I/n | network | fee_estimates {25: 46526, 10: 48176, 5: 50745, 2: 50749} I/i | interface.[btc.electrum.bitbitnet.net:50002] | connection established. version: ['ElectrumX 1.15.0', '1.4'] I/i | interface.[btc.electrum.bitbitnet.net:50002] | set blockchain with height 653567 [169/1884] I/i | interface.[btc.electrum.bitbitnet.net:50002] | skipping header 653567 I/n | network | fee_estimates {25: 46526, 10: 48176, 5: 50745, 2: 50749} I | plugin.DeviceMgr | scanning devices... D | util.profiler | DeviceMgr.scan_devices 0.0394 W | gui.qt.installwizard.InstallWizard | error getting device infos for bitbox02: Missing libraries for bitbox02. // Make sure you install it with python3 W | gui.qt.installwizard.InstallWizard | error getting device infos for coldcard: Missing libraries for coldcard. // Make sure you install it with python3 W | gui.qt.installwizard.InstallWizard | error getting device infos for keepkey: Missing libraries for keepkey. // Make sure you install it with python3 W | gui.qt.installwizard.InstallWizard | error getting device infos for ledger: Missing libraries for ledger. // Make sure you install it with python3 W | gui.qt.installwizard.InstallWizard | error getting device infos for safe_t: Missing libraries for safe_t. // Make sure you install it with python3 I/i | interface.[bitcoin.aranguren.org:50002] | skipping header 653567 E | daemon.Daemon | GUI raised exception: ReRunDialog(). shutting down. I | gui.qt.ElectrumGui | closing GUI I | daemon.Daemon | shutting down network I/n | network | stopping network I/n | network | couldn't launch iface electrum.hodlister.co:50002:s -- CancelledError() I/n | network | couldn't launch iface orannis.com:50002:s -- CancelledError() I/i | interface.[localhost:50002] | disconnecting due to: CancelledError() I/i | interface.[electrumx.schulzemic.net:50002] | disconnecting due to: CancelledError() I/i | interface.[ex01.axalgo.com:50002] | disconnecting due to: CancelledError() I/i | interface.[2AZZARITA.hopto.org:50006] | disconnecting due to: CancelledError() I/i | interface.[btc.electroncash.dk:60002] | disconnecting due to: CancelledError() I/i | interface.[electrum3.hodlister.co:50002] | disconnecting due to: CancelledError() I/i | interface.[btc.electrum.bitbitnet.net:50002] | disconnecting due to: CancelledError() I/i | interface.[bitcoin.aranguren.org:50002] | disconnecting due to: CancelledError() I/n | network | taskgroup stopped. I | daemon.Daemon | stopping taskgroup I | daemon.Daemon | taskgroup stopped. I | daemon.Daemon | removing lockfile I | daemon.Daemon | stopped E | __main__ | daemon.run_gui errored Traceback (most recent call last): File "/uslib/python3.8/site-packages/electrum/gui/qt/installwizard.py", line 118, in func_wrapper run_next(*out) File "/uslib/python3.8/site-packages/electrum/base_wizard.py", line 193, in on_wallet_type self.run(action) File "/uslib/python3.8/site-packages/electrum/base_wizard.py", line 115, in run f(*args, **kwargs) File "/uslib/python3.8/site-packages/electrum/base_wizard.py", line 225, in choose_keystore self.choice_dialog(title=title, message=message, choices=choices, run_next=self.run) File "/uslib/python3.8/site-packages/electrum/gui/qt/installwizard.py", line 106, in func_wrapper out = func(*args, **kwargs) File "/uslib/python3.8/site-packages/electrum/gui/qt/installwizard.py", line 594, in choice_dialog self.exec_layout(vbox, title) File "/uslib/python3.8/site-packages/electrum/gui/qt/installwizard.py", line 429, in exec_layout raise GoBack from None electrum.base_wizard.GoBack The above exception was the direct cause of the following exception: Traceback (most recent call last): File "/usbin/electrum", line 380, in  d.run_gui(config, plugins) File "/uslib/python3.8/site-packages/electrum/daemon.py", line 566, in run_gui self.gui_object.main() File "/uslib/python3.8/site-packages/electrum/gui/qt/__init__.py", line 363, in main if not self.start_new_window(path, self.config.get('url'), app_is_starting=True): File "/uslib/python3.8/site-packages/electrum/gui/qt/__init__.py", line 247, in wrapper return func(self, *args, **kwargs) File "/uslib/python3.8/site-packages/electrum/gui/qt/__init__.py", line 271, in start_new_window wallet = self._start_wizard_to_select_or_create_wallet(path) File "/uslib/python3.8/site-packages/electrum/gui/qt/__init__.py", line 313, in _start_wizard_to_select_or_create_wallet wizard.run('new') File "/uslib/python3.8/site-packages/electrum/base_wizard.py", line 115, in run f(*args, **kwargs) File "/uslib/python3.8/site-packages/electrum/base_wizard.py", line 153, in new self.choice_dialog(title=title, message=message, choices=choices, run_next=self.on_wallet_type) File "/uslib/python3.8/site-packages/electrum/gui/qt/installwizard.py", line 131, in func_wrapper raise ReRunDialog() from e electrum.base_wizard.ReRunDialog I/p | plugin.Plugins | stopped 
submitted by bIacktemplar to Electrum [link] [comments]

txindex=1 server=1 question (node, rpc)

Edit: solved! Just needed to wait for indexing to catch up
Hi all I'm trying to use btc-rpc-explorer
https://github.com/janoside/btc-rpc-explorer
I have a full node via bitcoin qt. Can I use qt for block explorer?
I launch block explorer and I'm getting rpc error. The webpage states "check rpc connection info"
The github project states I need server=1 and txindex=1. Can I make qt run with these settings? I tried adding them to the .conf but how can I confirm qt is running with these options, in console somehow?
In case I can't use qt for this I downloaded bitcoind. It looks like I can start the daemon with txindex=1 and server=1 but still getting same connection problem with btc-rpc-explorer.
Do I have to do -reindex=1? Can I do that within qt? If not and I use bitcoin cli will it disrupt qt in any way?
Thanks
Edit: this is on Ubuntu
submitted by redditor157b to Bitcoin [link] [comments]

Power of the Command Line (bitcoin-cli, hwi, electrum, trezorctl)

I think some of the console tools available with HW wallets today are greatly under utilized. Here's a quick write-up on how to create and sign a TXN very similar to 43d27...1fc06 found on the SLIP-14 wallet. I'll be using TrezorCTL, Electrum, and HWI for the signing. I won't go much into the setup or install, but feel free to ask if you have questions about it. Note, you don't have to use all three of these. Any one will produce a valid signed TXN for broadcast. I just showed how to do it three ways. Whats more some of the Electrum and HWI steps are interchangeable.

TrezorCTL

This is the what most would think of to use to craft and sign TXNs, and is definitely very simple. The signing uses a script called build_tx.py to create a JSON file that is then used by the btc sign-tx command. The whole process is basically:
  1. tools/build_tx.py | trezorctl btc sign-tx -
This just means, take the output of build_tx and sign it. To copy 43d27...1fc06, I wrote a small script to feed build_tx, so my process looks like:
  1. ~/input.sh | tools/build_tx.py | trezorctl btc sign-tx -
But it's all very simple. Note... I used TrezorCTL v0.12.2 but build_tx.py version 0.13.0 1.

input.sh

```

!/bin/bash

secho() { sleep 1; echo $*}
secho "Testnet" # coin name secho "tbtc1.trezor.io" # blockbook server and outpoint (below) secho "e294c4c172c3d87991b0369e45d6af8584be92914d01e3060fad1ed31d12ff00:0" secho "m/84'/1'/0'/0/0" # prev_out derivation to signing key secho "4294967293" # Sequence for RBF; hex(-3) secho "segwit" # Signature type on prev_out to use secho "" # NACK to progress to outs secho "2MsiAgG5LVDmnmJUPnYaCeQnARWGbGSVnr3" # out[0].addr secho "10000000" # out[1].amt secho "tb1q9l0rk0gkgn73d0gc57qn3t3cwvucaj3h8wtrlu" # out[1].addr secho "20000000" # out[1].amt secho "tb1qejqxwzfld7zr6mf7ygqy5s5se5xq7vmt96jk9x" # out[2].addr secho "99999694" # out[2].amt secho "" # NACK to progress to change secho "" # NACK to skip change secho "2" # txn.version secho "0" # txn.locktime ```

Electrum

Electrum is one of the better GUI wallets available, but it also has a pretty good console interface. Like before you need your Trezor with the SLIP-14 wallet loaded and paired to Electrum. I'll assume Electrum is up and running with the Trezor wallet loaded to make things simple.
Like with TrezorCTL, Electrum feeds on a JSON file, but unlike TrezorCTL it needs that JSON squished into the command line. This is a simple sed command, but I won't bore you with the details, but just assume that's done. So the process in Electrum (v4.0.3) looks like:
  1. electrum serialize (create psbt to sign)
  2. electrum --wallet signtransaction (sign said psbt)
Still pretty simple right! Below is the JSON I smushed for #1

txn.json

{ "inputs": [{ "prevout_hash":"e294c4c172c3d87991b0369e45d6af8584be92914d01e3060fad1ed31d12ff00", "prevout_n": 0, "value_sats": 129999867 }], "outputs": [{ "address": "2MsiAgG5LVDmnmJUPnYaCeQnARWGbGSVnr3", "value_sats": 10000000 },{ "address": "tb1q9l0rk0gkgn73d0gc57qn3t3cwvucaj3h8wtrlu", "value_sats": 20000000 },{ "address": "tb1qejqxwzfld7zr6mf7ygqy5s5se5xq7vmt96jk9x", "value_sats": 99999694 }]}

HWI

HWI is an unsung hero in my book. It's a very small clean and simple interface between HW wallets and Bitcoin Core. It currently supports a good range of HW wallets. It keeps itself narrowly focused on TXN signing and offloads most everything else to Bitcoin Core. Again, I'll assume you've imported your Trezor keypool into Core and done the requisite IBD and rescan. And if you don't have the RPC enabled, you can always clone these commands into the QT-console.
To sign our TXN in HWI (v1.1.2), we will first need to craft (and finalize) it in Bitcoin Core (0.21.1). Like in Electrum, we will have to use simple sed to smush some JSON into command arguments, but I'll assume you have that covered. It will take an inputs.json and an outputs.json named separately.
  1. bitcoin-cli createpsbt (create psbt)
  2. bitcoin-cli -rpcwallet= walletprocesspsbt (process psbt)
  3. hwi -f signtx (sign psbt)
  4. bitcoin-cli -rpcwallet= finalizepsbt (get a signed TXN from psbt)
A little more involved, but still nothing too bad. Plus this gives you the full power of Bitcoin Core including integrations with LND (lightning).

inputs.json

[{ "txid": "e294c4c172c3d87991b0369e45d6af8584be92914d01e3060fad1ed31d12ff00", "vout": 0 }]

outputs.json

[{ "2MsiAgG5LVDmnmJUPnYaCeQnARWGbGSVnr3": 0.10000000 },{ "tb1q9l0rk0gkgn73d0gc57qn3t3cwvucaj3h8wtrlu": 0.20000000 },{ "tb1qejqxwzfld7zr6mf7ygqy5s5se5xq7vmt96jk9x": 0.99999694 }]

Conclusion

This may all seem like very low level coding, but is surprisingly simple once you get a knack for it. Whats more, all these platforms support testnet which allows you to practice with valueless coins until you get the hang of it. And, like many things in bitcoin, this is all (mostly) python, which is one of the easier languages to learn.
Enjoy
Footnotes
1 - https://github.com/trezotrezor-firmware/issues/1296
submitted by brianddk to TREZOR [link] [comments]

BCH Unlimited Ubuntu PPA repo updated to version 1.9.0

The BCH Unlimited Ubuntu PPA repository has been updated to serve version 1.9.0 is available at:
 
https://launchpad.net/~bitcoin-unlimited/+archive/ubuntu/bucash
 
This release is compatible the Bitcoin Cash protocol. To update already installed packages:
 
sudo apt update sudo apt upgrade 
 
To install
 
sudo add-apt-repository ppa:bitcoin-unlimited/bucash sudo apt-get update sudo apt install bitcoind bitcoin-qt 
 
starting from this update the repository is serving also ElectrsCash(**) v2.0.0, for now just for the amd64 architecture. To install it just execute this command:
sudo apt install electrscash 
 
See the official announcement and the release notes for more details:
https://old.reddit.com/btc/comments/ih2eyt/bch_unlimited_190_has_just_been_released/
https://github.com/BitcoinUnlimited/BitcoinUnlimited/blob/release/doc/release-notes/release-notes-1.9.0.md
 
Known issues:
On Ubuntu 18.04 (bionic) you'll probably get an error while trying to install bitcoind. The error message is the following:
The following packages have unmet dependencies. bitcoind : Depends: libgcc-s1 (>= 3.4) but it is not installable E: Unable to correct problems, you have held broken packages. Package libgcc-s1 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source 
To solve the problem please do:
sudo add-apt-repository ppa:ubuntu-toolchain-test sudo apt update sudo apt dist-upgrade sudo apt install bitcoind 
 
(**) ElectrsCash is an efficient re-implementation of Electrum Server written in Rust.
submitted by s1ckpig to btc [link] [comments]

[ANN][ANDROID MINING][AIRDROP] NewEnglandcoin: Scrypt RandomSpike

New England
New England 6 States Songs: https://www.reddit.com/newengland/comments/er8wxd/new_england_6_states_songs/
NewEnglandcoin
Symbol: NENG
NewEnglandcoin is a clone of Bitcoin using scrypt as a proof-of-work algorithm with enhanced features to protect against 51% attack and decentralize on mining to allow diversified mining rigs across CPUs, GPUs, ASICs and Android phones.
Mining Algorithm: Scrypt with RandomSpike. RandomSpike is 3rd generation of Dynamic Difficulty (DynDiff) algorithm on top of scrypt.
1 minute block targets base difficulty reset: every 1440 blocks subsidy halves in 2.1m blocks (~ 2 to 4 years) 84,000,000,000 total maximum NENG 20000 NENG per block Pre-mine: 1% - reserved for dev fund ICO: None RPCPort: 6376 Port: 6377
NewEnglandcoin has dogecoin like supply at 84 billion maximum NENG. This huge supply insures that NENG is suitable for retail transactions and daily use. The inflation schedule of NengEnglandcoin is actually identical to that of Litecoin. Bitcoin and Litecoin are already proven to be great long term store of value. The Litecoin-like NENG inflation schedule will make NewEnglandcoin ideal for long term investment appreciation as the supply is limited and capped at a fixed number
Bitcoin Fork - Suitable for Home Hobbyists
NewEnglandcoin core wallet continues to maintain version tag of "Satoshi v0.8.7.5" because NewEnglandcoin is very much an exact clone of bitcoin plus some mining feature changes with DynDiff algorithm. NewEnglandcoin is very suitable as lite version of bitcoin for educational purpose on desktop mining, full node running and bitcoin programming using bitcoin-json APIs.
The NewEnglandcoin (NENG) mining algorithm original upgrade ideas were mainly designed for decentralization of mining rigs on scrypt, which is same algo as litecoin/dogecoin. The way it is going now is that NENG is very suitable for bitcoin/litecoin/dogecoin hobbyists who can not , will not spend huge money to run noisy ASIC/GPU mining equipments, but still want to mine NENG at home with quiet simple CPU/GPU or with a cheap ASIC like FutureBit Moonlander 2 USB or Apollo pod on solo mining setup to obtain very decent profitable results. NENG allows bitcoin litecoin hobbyists to experience full node running, solo mining, CPU/GPU/ASIC for a fun experience at home at cheap cost without breaking bank on equipment or electricity.
MIT Free Course - 23 lectures about Bitcoin, Blockchain and Finance (Fall,2018)
https://www.youtube.com/playlist?list=PLUl4u3cNGP63UUkfL0onkxF6MYgVa04Fn
CPU Minable Coin Because of dynamic difficulty algorithm on top of scrypt, NewEnglandcoin is CPU Minable. Users can easily set up full node for mining at Home PC or Mac using our dedicated cheetah software.
Research on the first forked 50 blocks on v1.2.0 core confirmed that ASIC/GPU miners mined 66% of 50 blocks, CPU miners mined the remaining 34%.
NENG v1.4.0 release enabled CPU mining inside android phones.
Youtube Video Tutorial
How to CPU Mine NewEnglandcoin (NENG) in Windows 10 Part 1 https://www.youtube.com/watch?v=sdOoPvAjzlE How to CPU Mine NewEnglandcoin (NENG) in Windows 10 Part 2 https://www.youtube.com/watch?v=nHnRJvJRzZg
How to CPU Mine NewEnglandcoin (NENG) in macOS https://www.youtube.com/watch?v=Zj7NLMeNSOQ
Decentralization and Community Driven NewEnglandcoin is a decentralized coin just like bitcoin. There is no boss on NewEnglandcoin. Nobody nor the dev owns NENG.
We know a coin is worth nothing if there is no backing from community. Therefore, we as dev do not intend to make decision on this coin solely by ourselves. It is our expectation that NewEnglandcoin community will make majority of decisions on direction of this coin from now on. We as dev merely view our-self as coin creater and technical support of this coin while providing NENG a permanent home at ShorelineCrypto Exchange.
Twitter Airdrop
Follow NENG twitter and receive 100,000 NENG on Twitter Airdrop to up to 1000 winners
Graphic Redesign Bounty
Top one award: 90.9 million NENG Top 10 Winners: 500,000 NENG / person Event Timing: March 25, 2019 - Present Event Address: NewEnglandcoin DISCORD at: https://discord.gg/UPeBwgs
Please complete above Twitter Bounty requirement first. Then follow Below Steps to qualify for the Bounty: (1) Required: submit your own designed NENG logo picture in gif, png jpg or any other common graphic file format into DISCORD "bounty-submission" board (2) Optional: submit a second graphic for logo or any other marketing purposes into "bounty-submission" board. (3) Complete below form.
Please limit your submission to no more than two total. Delete any wrongly submitted or undesired graphics in the board. Contact DISCORD u/honglu69#5911 or u/krypton#6139 if you have any issues.
Twitter Airdrop/Graphic Redesign bounty sign up: https://goo.gl/forms/L0vcwmVi8c76cR7m1
Milestones
Roadmap
NENG v1.4.0 Android Mining, randomSpike Evaluation https://github.com/ShorelineCrypto/NewEnglandCoin/releases/download/NENG_2020_Q3_report/NENG_2020_Q3_report.pdf
RandomSpike - NENG core v1.3.0 Hardfork Upgrade Proposal https://github.com/ShorelineCrypto/NewEnglandCoin/releases/download/2020Q1_Report/Scrypt_RandomSpike_NENGv1.3.0_Hardfork_Proposal.pdf
NENG Security, Decentralization & Valuation
https://github.com/ShorelineCrypto/NewEnglandCoin/releases/download/2019Q2_report/NENG_Security_Decentralization_Value.pdf
Whitepaper v1.0 https://github.com/ShorelineCrypto/NewEnglandCoin/releases/download/whitepaper_v1.0/NENG_WhitePaper.pdf
DISCORD https://discord.gg/UPeBwgs
Explorer
http://www.findblocks.com/exploreNENG http://86.100.49.209/exploreNENG http://nengexplorer.mooo.com:3001/
Step by step guide on how to setup an explorer: https://github.com/ShorelineCrypto/nengexplorer
Github https://github.com/ShorelineCrypto/NewEnglandCoin
Wallet
Android with UserLand App (arm64/armhf), Chromebook (x64/arm64/armhf): https://github.com/ShorelineCrypto/NewEnglandCoin/releases/tag/v1.4.0.5
Linux Wallet (Ubuntu/Linux Mint, Debian/MX Linux, Arch/Manjaro, Fedora, openSUSE): https://github.com/ShorelineCrypto/NewEnglandCoin/releases/tag/v1.4.0.3
MacOS Wallet (10.11 El Capitan or higher): https://github.com/ShorelineCrypto/NewEnglandCoin/releases/tag/v1.4.0.2
Android with GNUroot on 32 bits old Phones (alpha release) wallet: https://github.com/ShorelineCrypto/NewEnglandCoin/releases/tag/v1.4.0
Windows wallet: https://github.com/ShorelineCrypto/NewEnglandCoin/releases/tag/v1.3.0.1
addnode ip address for the wallet to sync faster, frequently updated conf file: https://github.com/ShorelineCrypto/cheetah_cpumineblob/mastenewenglandcoin.conf-example
How to Sync Full Node Desktop Wallet https://www.reddit.com/NewEnglandCoin/comments/er6f0q/how_to_sync_full_node_desktop_wallet/
TWITTER https://twitter.com/newenglandcoin
REDDIT https://www.reddit.com/NewEnglandCoin/
Cheetah CPU Miner Software https://github.com/ShorelineCrypto/cheetah_cpuminer
Solo Mining with GPU or ASIC https://bitcointalk.org/index.php?topic=5027091.msg52187727#msg52187727
How to Run Two Full Node in Same Desktop PC https://bitcointalk.org/index.php?topic=5027091.msg53581449#msg53581449
ASIC/GPU Mining Pools Warning to Big ASIC Miners Due to DynDiff Algo on top of Scrypt, solo mining is recommended for ASIC/GPU miners. Further more, even for mining pools, small mining pool will generate better performance than big NENG mining pool because of new algo v1.2.x post hard fork.
The set up configuration of NENG for scrypt pool mining is same as a typical normal scrypt coin. In other word, DynDiff on Scrypt algo is backward compatible with Scrypt algo. Because ASIC/GPU miners rely on CPU miners for smooth blockchain movement, checkout bottom of "Latest News" section for A WARNING to All ASIC miners before you decide to dump big ASIC hash rate into NENG mining.
(1) Original DynDiff Warning: https://bitcointalk.org/index.php?topic=5027091.msg48324708#msg48324708 (2) New Warning on RandomSpike Spike difficulty (244k) introduced in RandomSpike served as roadblocks to instant mining and provide security against 51% attack risk. However, this spike difficulty like a roadblock that makes big ASIC mining less profitable. In case of spike block to be mined, the spike difficulty immediately serve as base difficulty, which will block GPU/ASIC miners effectively and leave CPU cheetah solo miners dominating mining almost 100% until next base difficulty reset.
FindBlocks http://findblocks.com/
CRpool http://crpool.xyz/
Cminors' Pool http://newenglandcoin.cminors-pool.com/
SPOOL https://spools.online/
Exchange
📷
https://shorelinecrypto.com/
Features: anonymous sign up and trading. No restriction or limit on deposit or withdraw.
The trading pairs available: NewEnglandcoin (NENG) / Dogecoin (DOGE)
Trading commission: A round trip trading will incur 0.10% trading fees in average. Fees are paid only on buyer side. buy fee: 0.2% / sell fee: 0% Deposit fees: free for all coins Withdraw fees: ZERO per withdraw. Mining fees are appointed by each coin blockchain. To cover the blockchain mining fees, there is minimum balance per coin per account: * Dogecoin 2 DOGE * NewEnglandcoin 1 NENG
Latest News Aug 30, 2020 - NENG v1.4.0.5 Released for Android/Chromebook Upgrade with armhf, better hardware support https://bitcointalk.org/index.php?topic=5027091.msg55098029#msg55098029
Aug 11, 2020 - NENG v1.4.0.4 Released for Android arm64 Upgrade / Chromebook Support https://bitcointalk.org/index.php?topic=5027091.msg54977437#msg54977437
Jul 30, 2020 - NENG v1.4.0.3 Released for Linux Wallet Upgrade with 8 Distros https://bitcointalk.org/index.php?topic=5027091.msg54898540#msg54898540
Jul 21, 2020 - NENG v1.4.0.2 Released for MacOS Upgrade with Catalina https://bitcointalk.org/index.php?topic=5027091.msg54839522#msg54839522
Jul 19, 2020 - NENG v1.4.0.1 Released for MacOS Wallet Upgrade https://bitcointalk.org/index.php?topic=5027091.msg54830333#msg54830333
Jul 15, 2020 - NENG v1.4.0 Released for Android Mining, Ubuntu 20.04 support https://bitcointalk.org/index.php?topic=5027091.msg54803639#msg54803639
Jul 11, 2020 - NENG v1.4.0 Android Mining, randomSpike Evaluation https://bitcointalk.org/index.php?topic=5027091.msg54777222#msg54777222
Jun 27, 2020 - Pre-Announce: NENG v1.4.0 Proposal for Mobile Miner Upgrade, Android Mining Start in July 2020 https://bitcointalk.org/index.php?topic=5027091.msg54694233#msg54694233
Jun 19, 2020 - Best Practice for Futurebit Moonlander2 USB ASIC on solo mining mode https://bitcointalk.org/index.php?topic=5027091.msg54645726#msg54645726
Mar 15, 2020 - Scrypt RandomSpike - NENG v1.3.0.1 Released for better wallet syncing https://bitcointalk.org/index.php?topic=5027091.msg54030923#msg54030923
Feb 23, 2020 - Scrypt RandomSpike - NENG Core v1.3.0 Relased, Hardfork on Mar 1 https://bitcointalk.org/index.php?topic=5027091.msg53900926#msg53900926
Feb 1, 2020 - Scrypt RandomSpike Proposal Published- NENG 1.3.0 Hardfork https://bitcointalk.org/index.php?topic=5027091.msg53735458#msg53735458
Jan 15, 2020 - NewEnglandcoin Dev Team Expanded with New Kickoff https://bitcointalk.org/index.php?topic=5027091.msg53617358#msg53617358
Jan 12, 2020 - Explanation of Base Diff Reset and Effect of Supply https://www.reddit.com/NewEnglandCoin/comments/envmo1/explanation_of_base_diff_reset_and_effect_of/
Dec 19, 2019 - Shoreline_tradingbot version 1.0 is released https://bitcointalk.org/index.php?topic=5121953.msg53391184#msg53391184
Sept 1, 2019 - NewEnglandcoin (NENG) is Selected as Shoreline Tradingbot First Supported Coin https://bitcointalk.org/index.php?topic=5027091.msg52331201#msg52331201
Aug 15, 2019 - Mining Update on Effect of Base Difficulty Reset, GPU vs ASIC https://bitcointalk.org/index.php?topic=5027091.msg52169572#msg52169572
Jul 7, 2019 - CPU Mining on macOS Mojave is supported under latest Cheetah_Cpuminer Release https://bitcointalk.org/index.php?topic=5027091.msg51745839#msg51745839
Jun 1, 2019 - NENG Fiat project is stopped by Square, Inc https://bitcointalk.org/index.php?topic=5027091.msg51312291#msg51312291
Apr 21, 2019 - NENG Fiat Project is Launched by ShorelineCrypto https://bitcointalk.org/index.php?topic=5027091.msg50714764#msg50714764
Apr 7, 2019 - Announcement of Fiat Project for all U.S. Residents & Mobile Miner Project Initiation https://bitcointalk.org/index.php?topic=5027091.msg50506585#msg50506585
Apr 1, 2019 - Disclosure on Large Buying on NENG at ShorelineCrypto Exchange https://bitcointalk.org/index.php?topic=5027091.msg50417196#msg50417196
Mar 27, 2019 - Disclosure on Large Buying on NENG at ShorelineCrypto Exchange https://bitcointalk.org/index.php?topic=5027091.msg50332097#msg50332097
Mar 17, 2019 - Disclosure on Large Buying on NENG at ShorelineCrypto Exchange https://bitcointalk.org/index.php?topic=5027091.msg50208194#msg50208194
Feb 26, 2019 - Community Project - NewEnglandcoin Graphic Redesign Bounty Initiated https://bitcointalk.org/index.php?topic=5027091.msg49931305#msg49931305
Feb 22, 2019 - Dev Policy on Checkpoints on NewEnglandcoin https://bitcointalk.org/index.php?topic=5027091.msg49875242#msg49875242
Feb 20, 2019 - NewEnglandCoin v1.2.1 Released to Secure the Hard Kork https://bitcointalk.org/index.php?topic=5027091.msg49831059#msg49831059
Feb 11, 2019 - NewEnglandCoin v1.2.0 Released, Anti-51% Attack, Anti-instant Mining after Hard Fork https://bitcointalk.org/index.php?topic=5027091.msg49685389#msg49685389
Jan 13, 2019 - Cheetah_CpuMiner added support for CPU Mining on Mac https://bitcointalk.org/index.php?topic=5027091.msg49218760#msg49218760
Jan 12, 2019 - NENG Core v1.1.2 Released to support MacOS OSX Wallet https://bitcointalk.org/index.php?topic=5027091.msg49202088#msg49202088
Jan 2, 2019 - Cheetah_Cpuminer v1.1.0 is released for both Linux and Windows https://bitcointalk.org/index.php?topic=5027091.msg49004345#msg49004345
Dec 31, 2018 - Technical Whitepaper is Released https://bitcointalk.org/index.php?topic=5027091.msg48990334#msg48990334
Dec 28, 2018 - Cheetah_Cpuminer v1.0.0 is released for Linux https://bitcointalk.org/index.php?topic=5027091.msg48935135#msg48935135
Update on Dec 14, 2018 - NENG Blockchain Stuck Issue https://bitcointalk.org/index.php?topic=5027091.msg48668375#msg48668375
Nov 27, 2018 - Exclusive for PC CPU Miners - How to Steal a Block from ASIC Miners https://bitcointalk.org/index.php?topic=5027091.msg48258465#msg48258465
Nov 28, 2018 - How to CPU Mine a NENG block with window/linux PC https://bitcointalk.org/index.php?topic=5027091.msg48298311#msg48298311
Nov 29, 2018 - A Warning to ASIC Miners https://bitcointalk.org/index.php?topic=5027091.msg48324708#msg48324708
Disclosure: Dev Team Came from ShorelineCrypto, a US based Informatics Service Business offering Fee for service for Coin Creation, Coin Exchange Listing, Blockchain Consulting, etc.
submitted by honglu69 to NewEnglandCoin [link] [comments]

BCH Unlimited Ubuntu PPA repo updated to version 1.9.0

The BCH Unlimited Ubuntu PPA repository has been updated to serve version 1.9.0 is available at:
 
https://launchpad.net/~bitcoin-unlimited/+archive/ubuntu/bucash
 
This release is compatible the Bitcoin Cash protocol. To update already installed packages:
 
sudo apt update sudo apt upgrade 
 
To install
 
sudo add-apt-repository ppa:bitcoin-unlimited/bucash sudo apt-get update sudo apt install bitcoind bitcoin-qt 
 
starting from this update the repository is serving also ElectrsCash(**) v2.0.0, for now just for the amd64 architecture. To install it just execute this command:
sudo apt install electrscash 
 
See the official announcement and the release notes for more details:
https://old.reddit.com/btc/comments/ih2eyt/bch_unlimited_190_has_just_been_released/
https://github.com/BitcoinUnlimited/BitcoinUnlimited/blob/release/doc/release-notes/release-notes-1.9.0.md
 
Known issues:
On Ubuntu 18.04 (bionic) you'll probably get an error while trying to install bitcoind. The error message is the following:
The following packages have unmet dependencies. bitcoind : Depends: libgcc-s1 (>= 3.4) but it is not installable E: Unable to correct problems, you have held broken packages. Package libgcc-s1 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source 
To solve the problem please do:
sudo add-apt-repository ppa:ubuntu-toolchain-test sudo apt update sudo apt dist-upgrade sudo apt install bitcoind 
 
(**) ElectrsCash is an efficient re-implementation of Electrum Server written in Rust.
submitted by s1ckpig to Bitcoincash [link] [comments]

Make your own stakebox. Ultimate beginners guide how to compile any wallet on AARCH64 (Raspbery pi and other SBC)

I contemplated to wrote this for a long time, so it's finally time.
As you know a lot of altcoins uses PoS (Proof-of-stake) way of "mining" coins. Which basically means, that you hold coins on your unlocked wallet and you are receiving stakes as a reward. This requires very little power and it can bring you a lot of rewards, at just 10W from the wall.
So first I am using latest Raspbian on RPI4B 4GB in this example.Setting up Raspbian is not part of this process since it's very well documented. I recommend to change user from pi to something else due to security concerns and you can also do other stuff just search "security Raspberry PI" and you find a lot of articles, but this is not the focus of this guide.
I know there are a lot of guides on the internet, but I am using like 5 sources, so it's compiled what other people wrote and some of my research.
I am using AnyDesk insted of SSH or VNC server, because it works it's ligthweit and it just works.
So after you see the gui of Raspbian, just launch terminal (CTRL + ALT + T) and do basic thing:
sudo apt-get update && sudo apt-get upgrade
Than press Y and let it run, after is finished, we need to prepare so dependency packages. Since most of the wallets using Berkeley DB 4.8 we need to obtain it.
So in terminal wrote:
cd cd Downloads wget http://download.oracle.com/berkeley-db/db-4.8.30.NC.tar.gz tar -xzvf db-4.8.30.NC.tar.gz cd db-4.8.30.NC/build_unix ../dist/configure --enable-cxx make sudo make install 
So wait unti it's finished and than you can delete files in Downloads folder in gui or use:
sudo rm -r [folder] 
So next thing we need to install some libraries.
sudo apt-get install git build-essential libtool autotools-dev autoconf pkg-config libssl-dev libcrypto++-dev libevent-dev libminiupnpc-dev libgmp-dev libboost-all-dev devscripts libdb++-dev libsodium-dev 
And pres y and let it run. After that another set of libraries:
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler libcrypto++- dev libminiupnpc-dev qt5-default 
And then again pres y and let it run. Some wallets need older version of libssl1.0-dev, so for for safe compiling we install that as well:
sudo apt-get install libssl1.0-dev 
Pres y and let it run. Warning don't use sudo-apt get autoremove, since it would wipe this package, since it's old.
Next thing we are going to obtain Bitcoin PPA filest, which can be done like this.
cd /etc/apt/sources.list.d/ sudo nano bitcoin.list 
Paste this in there:
deb-src http://ppa.launchpad.net/bitcoin/bitcoin/ubuntu artful main 
And CTRL+X and than y, then do this:
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv C70EF1F0305A1ADB9986DBD8D46F45428842CE5E sudo apt-get update 
So now we are ready for compiling. So we are going create folders. CD yourself where this folder should be situated, if you for example have plugged in some external drive. Then:
mkdir Crypto cd Crypto 
And then we have to choose wallet which you want to compile. I am choosing Streamies (STRMS) as an example, since it's pretty good coin for staking. So:
mkdir Streamies cd Streamies 
Then go to the github page and click on the green button on the left and click copy to clipboard, which gives you git link.
git clone https://github.com/Streamies/Streamies.git 
Watch the output folder which it creates, it's stated in the first two lines and copy then by highliting the text and CTRL+SHIFT+C copy it to your clipboard.
cd Streamies (this is that git created folder) ./autogen.sh ./configure CPPFLAGS="-I/uslocal/BerkeleyDB.4.8/include -O2" LDFLAGS="-L/uslocal/BerkeleyDB.4.8/lib" sudo make (this could take hours) sudo make install 
And you are done, files is going to be in folder /uslocal/bin (DO NOT delete git created folder, because you are going to need it for faster compiling, when wallet get's and update.)
cd /uslocal/bin 
Now you can list files by:
ls 
And then you can copy/move them where ever you want by using:
sudo mv * [destination full path] 
Let it run and go back to folder where you move those files.
sudo chmod +x streamies-qt (since we want to run wallet) 
In most cases compiled files are going to in format of "shared library" so we need to create script to run it. Open up a text editor from gui or through nano. And paste this to that file:
#!/bin/bash ./streamies-qt 
And save it as a sh file, for example run.sh. Then we need to make it runnable so:
sudo chmod +x run.sh 
Now to run it, it's just:
./run.sh 
And here we are glorious GUI wallet appears and you are done, you can paste blockchain, wallet.dat from other sources, so this migration is pretty easy and you, if you have it on for exaple flash disk.
So this is basic how to compile QT wallets on AARCH64. I am running 7 wallets, 2 of those are Masternodes and RPI 4B 4GB would handle way more, I am at best on half of my RAM.
Some wallets need more package, but it's not much of and issue, since compiling stops and you just copy paste nape which is missing put it in the google and add "apt-get" after the name of package and you are going to see, what is the name of the packages so it can be retreived from package assinstant aka apt-get. So basically:
sudo apt-get install [package name] 
Then press y and again wrote:
sudo make 
This process is going to continue where it was left off, so nothing is going to run from beginning.
Updating wallets is basically exactly same, just repeat steps from "git clone" and after that proceed as it was written above.
So I hope this helps some of you, to use this at home and not on some VPS, if you are anxious as me, to host my wallets on remote server.
submitted by M1chlCZ to CryptoCurrency [link] [comments]

TecraCoin works on core wallet upgrade

TecraCoin works on core wallet upgrade

What is a TecraCoin TCR Wallet?

Crypto wallet is the basic software needed to use the cryptocurrencies properly. Every blockchain of cryptocurrency must have its own basic wallet (the most commonly used are the desktop and server ones), which is usually composed from the name of the cryptocurrency and the word “Core”, for example Bitcoin Core, Litecoin Core etc. Every developing blockchain project has to implement Core updates in order to make the system more secure and solid because the correct functioning of the basic wallet is crucial . (Tecra’s basic wallet is “Tecra QT wallet” — you can download from the GutHub — https://tecracoin.io/wallets)
This week, Teсra developers have prepared the first part of the update of the above mentioned wallet. Since the blockchain used by Tecra is the fork of the widely recognized Zcoin blockchain, we are working on the upgrade from version 11 to version 14 which includes all of the changes from the versions 12 and 13. The most significant reason for such changes was to enhance the masternodes and increase the safety of our blockchain.

Why is this update essential?

Masternodes are awarded in order of precedence. According to the previously set order, the last MN to receive the reward is transferred to the end of the queue, and from the next block, the reward will be given to the next MN. In every block, there is a vote between nodes to decide which one of the MasterNodes will get the reward from this particular block. However, there might be the situation in which MN that was supposed to get the reward will not receive it.
Currently The MN communication between nodes takes place off-chain, and the data is stored in the memory, without being saved to the blockchain. The winner of the voting receives the reward via the payment in the next block. However, sometimes it might be possible for the node to “unpin” from the rest of the blockchain’s node network and conduct its own voting, contrary to the majority of MNs’ preferences. This leads to a MN blockage and the approved winner of the vote might not receive the reward.
Following Zcoin’s solution Tecra will introduce a new masternodes launching and voting system. It will shift the process of their activation and voting directly to blockchain transactions. In result, we create the “deterministic masternodes” which cannot “unpin” from the voting chains. This guarantees that the approved winner of the vote will definitely be the only one. This will be the biggest change introduced when updating to Core 14.
https://preview.redd.it/livp48zlv0c51.jpg?width=875&format=pjpg&auto=webp&s=2af1ef5a2748b8848ad3a34917eff293d3f256b4
submitted by tecraspace to u/tecraspace [link] [comments]

Connecting bitcoin-qt to bitcoind on local network

Hello,
I have a bitcoin node running on a headless box (bitcoind) and I would like to connect to it using bitcoin-qt on my desktop. I'm getting a little confused with the process.... does bitcoin-qt need to connect to bitcoind using RPC? Do I store my wallet file on the bitcoind box, or bitcoin-qt box?
The bitcoin node is already setup to work with an electrum server, so I already have rpcbind=0.0.0.0, rpcallowip=$ELECTRUX_IP, and rpcuserpcpassword set. I tried adding my desktop IP to rpcallowip, and setting the appropriate username/password in bitcoin-qt's bitcoin.conf, but no luck. I can see in debug.log for bitcoin-qt that the connection is rejected.

The node runs over TOR and I have onlynet=onion set in bitcoind's bitcoin.conf, but that doesn't seem to stop electrumx connecting via RPC over clearnet, so this shouldn't be an issue right?

Am I missing something here? Help would be much appreciated!
submitted by backfromBTCpast to Bitcoin [link] [comments]

BCH Unlimited Ubuntu PPA repo updated to version 1.8.0

The BCH Unlimited Ubuntu PPA repository has been updated to serve version 1.8.0 is available at:
 
https://launchpad.net/~bitcoin-unlimited/+archive/ubuntu/bucash
 
This release is compatible the Bitcoin Cash protocol. To update already installed packages (*):
 
sudo apt update sudo apt upgrade 
 
To install
 
sudo add-apt-repository ppa:bitcoin-unlimited/bucash sudo apt-get update sudo apt install bitcoind bitcoin-qt 
 
starting from this update the repository is serving also ElectrsCash(**) v.1.1.1, for now just for the amd64 architecture. To install it just execute this command:
sudo apt install electrscash 
 
See the official announcement and the release notes for more details:
https://np.reddit.com/btc/comments/g3k4mbch_unlimited_180_has_just_been_released/
https://github.com/BitcoinUnlimited/BitcoinUnlimited/blob/release/doc/release-notes/release-notes-1.8.0.md
 
Known issues:
On Ubuntu 18.04 (bionic) you'll probably get an error while trying to install bitcoind. The error message is the following:
The following packages have unmet dependencies. bitcoind : Depends: libgcc-s1 (>= 3.4) but it is not installable E: Unable to correct problems, you have held broken packages. Package libgcc-s1 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source 
It seems like libgcc-s1 which is a focal (ubuntu 20.04, still in beta) package that has somehow crept in the bionic "food-chain", I'm working on a fix right now. Thanks to xd1gital for the initial report.
Edit: to solve the problem please do:
sudo add-apt-repository ppa:ubuntu-toolchain-test sudo apt update sudo apt dist-upgrade sudo apt install bitcoind 
 
(*) due to fact we rebranded Ubuntua PPA name along with the name of the clients, you will be displayed with this warning and question to which you could safely reply "Yes":
E: Repository 'http://ppa.launchpad.net/bitcoin-unlimited/bucash/ubuntu bionic InRelease' changed its 'Label' value from 'BU Cash' to 'BCH Unlimited' N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details. Do you want to accept these changes and continue updating from this repository? [y/N] 
  (**) ElectrsCash is an efficient re-implementation of Electrum Server written in Rust.
submitted by s1ckpig to bitcoin_unlimited [link] [comments]

BCH Unlimited Ubuntu PPA repo updated to version 1.8.0

The BCH Unlimited Ubuntu PPA repository has been updated to serve version 1.8.0 is available at:
 
https://launchpad.net/~bitcoin-unlimited/+archive/ubuntu/bucash
 
This release is compatible the Bitcoin Cash protocol. To update already installed packages (*):
 
sudo apt update sudo apt upgrade 
 
To install
 
sudo add-apt-repository ppa:bitcoin-unlimited/bucash sudo apt-get update sudo apt install bitcoind bitcoin-qt 
 
starting from this update the repository is serving also ElectrsCash(**) v.1.1.1, for now just for the amd64 architecture. To install it just execute this command:
sudo apt install electrscash 
 
See the official announcement and the release notes for more details:
https://np.reddit.com/btc/comments/g3k4mbch_unlimited_180_has_just_been_released/
https://github.com/BitcoinUnlimited/BitcoinUnlimited/blob/release/doc/release-notes/release-notes-1.8.0.md
 
Known issues:
On Ubuntu 18.04 (bionic) you'll probably get an error while trying to install bitcoind. The error message is the following:
The following packages have unmet dependencies. bitcoind : Depends: libgcc-s1 (>= 3.4) but it is not installable E: Unable to correct problems, you have held broken packages. Package libgcc-s1 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source 
It seems like libgcc-s1 which is a focal (ubuntu 20.04, still in beta) package that has somehow crept in the bionic "food-chain", I'm working on a fix right now. Thanks to xd1gital for the initial report.
Edit: to solve the problem please do:
sudo add-apt-repository ppa:ubuntu-toolchain-test sudo apt update sudo apt dist-upgrade sudo apt install bitcoind 
 
(*) due to fact we rebranded Ubuntua PPA name along with the name of the clients, you will be displayed with this warning and question to which you could safely reply "Yes":
E: Repository 'http://ppa.launchpad.net/bitcoin-unlimited/bucash/ubuntu bionic InRelease' changed its 'Label' value from 'BU Cash' to 'BCH Unlimited' N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details. Do you want to accept these changes and continue updating from this repository? [y/N] 
  (**) ElectrsCash is an efficient re-implementation of Electrum Server written in Rust.
submitted by s1ckpig to btc [link] [comments]

[Tutorial] Build and run your own Bitcoin node on Ubuntu 19.10

I am finally doing my part and running my own bitcoin node in a small home server.
Most guides I found online were either incomplete, outdated, or explained only how to run bitcoin-qt (graphical interface). So I built a minimalistic guide with the starting point of Ubuntu 19.10 to run the latest Bitcoin core release (v0.19.0.1) as of today.
If you have an old laptop (raspberry pi, NUC, etc even better) a reliable internet connection, and ~ 500Gb of HDD (USB external drive are just fine), you should consider running a node. It's fun, you will deepen your computer knowledge, and you will be supporting the network.
A GitHub gist with just the code: https://gist.github.com/Koff/1638aca30d6e14f1dcd374825018074a
A more detailed version with some comments: https://www.fsanmartin.co/running-a-bitcoin-node-on-ubuntu-19-10/
submitted by tokenizer_fsj to Bitcoin [link] [comments]

BCH Unlimited Ubuntu PPA repo updated to version 1.8.0

The BCH Unlimited Ubuntu PPA repository has been updated to serve version 1.8.0 is available at:

 

https://launchpad.net/~bitcoin-unlimited/+archive/ubuntu/bucash

 

This release is compatible the Bitcoin Cash protocol. To update already installed packages (*):

 

sudo apt update
sudo apt upgrade

 

To install

 

sudo add-apt-repository ppa:bitcoin-unlimited/bucash
sudo apt-get update
sudo apt install bitcoind bitcoin-qt

 

starting from this update the repository is serving also ElectrsCash(**) v.1.1.1, for now just for the `amd64` architecture. To install it just execute this command:

sudo apt install electrscash

 

See the official announcement and the release notes for more details:

https://np.reddit.com/btc/comments/g3k4mbch_unlimited_180_has_just_been_released/

https://github.com/BitcoinUnlimited/BitcoinUnlimited/blob/release/doc/release-notes/release-notes-1.8.0.md

 

Known issues:

On Ubuntu 18.04 (bionic) you'll probably get an error while trying to install `bitcoind`. The error message is the following:

The following packages have unmet dependencies.
bitcoind : Depends: libgcc-s1 (>= 3.4) but it is not installable
E: Unable to correct problems, you have held broken packages.

Package libgcc-s1 is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

It seems like [libgcc-s1](https://packages.ubuntu.com/focal/libgcc-s1) which is a focal (ubuntu 20.04, still in beta) package that has somehow crept in the bionic "food-chain", I'm working on a fix right now. Thanks to xd1gital for the initial report.

 

(*) due to fact we rebranded Ubuntua PPA name along with the name of the clients, you will be displayed with this warning and question to which you could safely reply "Yes":

E: Repository 'http://ppa.launchpad.net/bitcoin-unlimited/bucash/ubuntu bionic InRelease' changed its 'Label' value from 'BU Cash' to 'BCH Unlimited'
N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details.
Do you want to accept these changes and continue updating from this repository? [y/N]

 
(**) ElectrsCash is an efficient re-implementation of Electrum Server written in Rust.
submitted by s1ckpig to Bitcoincash [link] [comments]

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Using a VPN or a TOR is now allowed given that your account achieves certain criteria similar to a captcha free account requirements.
🛑WARNING: FREEBITCO.IN wipes inactive accounts after a certain period! If you lose interest, withdraw your BTC!
📝NOTE: iOS devices (iPad, iPhone) are restrictive. The only way to access is via website, as BitBot isn't available.📝
FREEBITCO.IN is what's called a "faucet", a site that gives a small steady stream of crypto which FREEBITCO.IN does through hourly rolls and interest accrual.
FREEBITCO.IN also hosts other means to win or earn crypto, you can gamble with Multiplier, or bet on world evens and crypto prices.
After your account reaches 30k Satoshi, you begin to collect interest. The site also offers lifetime referral commissions, explained later in this guide.
All you need to start is an email. You can add more verification options for security later on. I would highly suggest it. Use a junk email though.
2FA and MFA are strongly suggested. A password should be 15 characters long. I suggest Google Authenticator for your 2FA needs.
I know you can definitely access this site from Brave Browser with add blockers enabled. I'm sure it will work with others. Even without an ad blockers, they only advertise their site gambling and games, no 3rd party adds that I've seen. It's not too invasive or spammy either.
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2️⃣POST INTENTIONS2️⃣
This post is both an advertising platform I use, and a guide I've made to help those interested to automate and optimize earnings.
For those of a cautious mindset, I've uploaded all of FREEBITCO.IN's information on interest accrual, security, and proof of mining on Imgur, in case you're worried about visiting the site.
Transparent link here: Interest accrual structure and FREEBITCO.IN security. https://imgur.com/a/wWjQtKT
My referral link: https://freebitco.in/?r=30437643&tag=redditC2
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3️⃣MY EARNINGS3️⃣
So at this point, with hourly claims and daily interest, I'm bringing in roughly 8978 Satoshi (or .70$ USD with BTC at 7804$ USD) daily at full optimization on one account, and two other self referred accounts without lifting a finger. This is before the fact that a hourly roll (claim) can reward up to a max of 200$ USD worth of BTC (percentages in section 5️⃣).
They also have a weekly lotto (tickets awarded with every roll and referral roll) with the last 1st place winner receiving .32769156 BTC (2587$ USD at current bitcoin price).
This is also not including my current commissions on accounts not owned by me. In this post I will describe some of my strategies I've incorporated, and some insight into how this website works.
To offload or withdraw bitcoin, you're going to need what is called a "wallet". I personally use Coinbase (available on mobile or desktop) as you can sell it through here as well and easily move money to Paypal or a bank.
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4️⃣HOW DO COMMISSION REWARDS WORK?4️⃣
If you are already on FREEBITCO.IN, do you have someone who referred you? Do they share commissions? If not, why not make a new account and join me, where you'll get a return on everything you earn.
As you can see, large affiliate groups don't share anything, hoarding hundreds of thousands worth of BTC earned off their referrals
I share 50% of my commissions. I get 50% of your roll rewards, 25% of your interest, and 0.4% of your wagers. All of this is paid out by FREEBITCO.IN as a commission, so it's not pulled from your rewards or held BTC.
So the more you're active, the more you'll receive from me weekly (being active is doing anything that I get commissions from). IMPORTANT: Your (and all referrals) shares are based on activity, so if you are inactive for the week, you get a lower % for that week. If you're the most active of my referrals you get a higher percentage of what I share. This is to incentivize being active and to stop people from getting a cut without doing anything.
If you have FREEBITCO.IN automated, you don't have to worry about this. However, having a larger bankroll to earn interest, or playing Multiply BTC (I do not suggest playing unless doing so to meet auto roll requirements) will increase can your activity further.
Commission Structure
Here is some proof, I've actually shared about 2/3 of all commissions
Commissions update 12 January 2020
Here is a proof of Payment section per individual
📝NOTE: I've noticed when I was creating the images of commission sharing that the "RECENT" blocks are showing zero. If you look at totals from the first image, you can tell I'm actively sharing with all of my referrals.📝
Join my team FREEBITCO.IN
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5️⃣SOME CLAIM STATS5️⃣
You can earn AT LEAST .00000552 BTC (.048$) daily when automated (or claiming every hour on the hour) before bonuses (like using reward points to increase rewards 1000%). After some testing, it seems that this amount will always be about .048$ worth of BTC, base claim rewards no bonus active.
After .00030000 BTC, you accrue compounding interest at a rate of 4.08% APR, paid daily. As soon as your daily interest is accredited, it too starts earning interest. The daily interest rate comes out to ~0.011% of your total held BTC.
FREEBITCO.IN gives you a roll once every hour, free
📝NOTE: Roll rewards fluctuate inversely with BTC price. BTC goes down, roll rewards go up, vice versa. The BTC rewards USD value will be extremely close to the values represented below.📝
Current rewards and probability with every hourly roll.
(.002$) -> 98.85%
(.02$) -> 1.00%
(.20$) -> .08%
(2.00$) -> .04%
(20$) -> .02%
(200$) -> .01%
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6️⃣MULTIPLY BTC STRATS AND INFO6️⃣
🛑!WARNING!, NO STRATEGY IS 100%, THE MULTIPLIER GAME IS GAMBLING, YOU CAN STILL LOSE YOUR WHOLE BALANCE IF YOU PUSH YOUR LUCK.🛑
UPDATE: I decided to do some research after some odd outcomes when extensively testing some of my Multiplier strats. Turns out FREEBITCO.IN does indeed have a house advantage that isn't too transparent. Longer sessions are almost always going to come out negative. If you still plan on playing, do short sessions, once daily max, with lower amounts.
There are a couple methods to play the Multiplier with a reduced risk (but still a risk) here as well. I would suggest small play sessions.
STRAT #1
My preferred settings for AUTOROLL on MULTIPLY that I've had the best success rate with to date. (preferably with .00005000 in ACCT for best results)
BET: Minimum
ODDS: 3
ROLLS: (doesn't matter, 100)
BET ON: alternate
STOP BETTING PROFIT: .00000050, important as the bets will get exponentially higher with every loss. Win in small increments.
STOP BETTING LOSS: Set a loss limit if you want, I have mine set to .00001 and haven't reached it
ON WIN: select increase bet 0%
ON LOSS: select increase bet 65%
RANDOMIZE CLIENT SEED: yes
DO NOT REFRESH: yes
Here is a pic of the settings
Anything else doesn't matter. Make sure the boxes are checked for the above options.
With this strat, I've won positive on one account, about .000077 BTC, and I've only played 5 or 6 times, at less than 2-3 minutes of play time a session.
STRAT #2
Good for accounts with a low balance. I've had a surprising amount of luck with this method, enough so that I thought I'd post it here with an update. This could work well for accounts with less than 1k Satoshi, as a losing streak wouldn't be a huge loss. For this strat, you should have at least 189 Satoshi in your account.
BET: Minimum amount
ODDS/WIN CHANCE: 189 or %0.5
ROLLS: 189 (remains the same no matter if you bet more)
BET ON: High or Low, but not Alternate.
STOP BETTING ON PROFIT: Minimum amount, once again, you want continuous small wins
UPDATE: Conducting more tests for viability
I played these settings 10 times, I came out positive 8/10 times. In the end I was positive 433 Satoshi total with selecting "hi".
On selecting "low" I went positive 5/10 losing 525 Satoshi.
On selecting "hi" and betting 10 Satoshi, I went positive 3/10 times losing 9708 Satoshi.
On selecting "high" and betting 100 Satoshi, I never went positive, 0/10. Losing 189000 Satoshi (~15$ USD).
There does seem to be a pattern of losing more when betting more. Like anything gambling, there's probably a house advantage that's not too transparent.
Win small lose small.
Pic of these settings
STRAT #3
Another strategy I've tried is betting most of my balance once occasionally with a 94.06% chance of winning. This is, eh, alright to risk OCCASIONALLY, but a loss would set you back more than you ever made using this strategy, which happened to me, I lost about 40 USD worth of BTC after making maybe 5 USD.
THIS METHOD IS GREAT FOR MEETING NON-CAPTCHA ACCOUNT REQUIREMENTS!
Playing this in auto roll, out of 20 rolls I'd always lose at least once, putting me into the negative. Even with 10 rolls, I'd more often then not lose at least once.
Pic of these settings
There are other strats out there, such as the "Martingale", which is essentially doubling the bet amount every loss, then resetting your bet to minimum after a win to in theory "win back what you lost". At 47.5% odds of winning, I've had loss streaks that would drain my account.
My summary for Multiply, use sparingly. Don't use it as your primary means of earning. Use once or twice daily, limit play sessions to 5 minutes max.
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7️⃣AUTOMATION7️⃣
📝NOTE: FREEBITCO.IN captcha requirements seem to be tiered, with requirements for Captcha free upscaling when you BTC holding passes a certain threshold.
I'm currently testing, as is another team member (Shout out to u/SrExtreme69) , what exactly these thresholds, if holding at these thresholds increases the length of Captcha free rolls, and at what amount does FREEBITCO.IN no longer require these to be met.📝
📝NOTE: To start automating, remember to verify email and setup 2FA or the Captcha will still appear even if your account meets Captcha free requirements. Check the site occasionally as Captcha free roll requirements can change. After certain held BTC amount you don't need to renew your requirements. I haven't had to achieve new requirements in over a month.📝
📝NOTE: You may need to manually roll for a bit until the the ability to achieve a Captcha free account becomes available. It doesn't show at first.📝
📝NOTE: It's very difficult, if not impossible to automate on iOS devices.
First of all, getting to this point can be a grind, but once achieved you'll have a steady flow of BTC with options to increase earnings through rewards claims using RP. I would suggest going to your PROFILE tab on FREEBITCO.IN and disabling lottery to increase RP production when starting out. Using other apps or resources to supplement income is a good idea as well.
On the FREE BTC page, there is a blue text hyperlink with requirements that need to be met to make your account captcha free, thus allowing you to enable autoroll on extensions or apps. It has multiple ways to achieve this and they can change, so if your autoroll has stopped, check to see if these requirements have changed.
Here are the requirements. (Amounts vary)
It seems only two of these requirements need to be met.
The less risky and easiest method is to buy lottery tickets and bet with jackpots on. Even better is depositing bitcoin if you have that amount.
The POSSIBLY least expensive method is to bet both regularly and with Jackpots enabled on MULTIPLY (for higher amounts required, IMO Multiplier strat #3 works best)
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8️⃣OPTIMIZATION AND USE OF FREEBITCO.IN8️⃣
For computers
I would suggest using Firefox, as you can add functions and tools to your bar up top. One of the being a "auto roll" for FREEBITCO.IN, still requires a "captcha free" account. Turn it on and let go, check it occasionally to make sure its still going.
Autoroll firefox add-on link
My link again for ease of access
Not my preferred method, but good for a second account, as using a computer means devoting more attention to FREEBITCO.IN in an inconvenient manner if you are just starting out. After Captcha has been removed, this becomes more hands free, but not as profitable as using bitbot, as you can't autoclaim RP rewards.
I haven't tried many methods besides using Firefox addons, as I'm wary of sources or intent when it comes to 3rd party scripts or programs. If I find any trustworthy scripts or programs, I will update here.
For Mobile
🛑BITBOT WARNING, IF YOU USE BITBOT TO ACCESS FREEBITCO.IN BEFORE USING MY REFERRAL, YOU WILL BE REFERRED THROUGH BITBOT, AND THEY DON'T SHARE COMMISSIONS AS FAR AS I CAN TELL🛑 My Link again
📝NOTE: iOS devices (iPhone, iPad) do not have access to BitBot, nor do they allow extensions/add-ons on their browsers. I have not personally found a way around this. You may still access the site and manually roll.📝
I use BitBot. This is the best place to start from IMO. You can set it to notify you of rolls and gives direct access to the site from the app (you can also access the site from any device with internet). Once your account is "captcha free" you can set it to auto roll AND automatically claim rewards every 24 hours (RP increase, BTC increase, Lottery ticket Increase).
📝NOTE: Bitbot allows auto roll from the app for accounts over 500 RP. This isn't permanent, as it uses your RP. You'll need to log onto the website through a browser to achieve captch free account requirements, which Bitbot does recognize, which allow completely free rolls.📝
📝NOTE: Accessing FREEBITCO.IN through BitBot doesn't allow access to the Hi-Lo or betting games.📝
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9️⃣STRATS TO INCREASE EARNINGS9️⃣
Bitbot optimization
I started manual claims by setting roll notifications to "ON" for a while until I supplemented my BTC in FREEBITCO.IN with what I was collecting from my miner and CryptoTab. Once I was able to AUTOMATE and I had enough RP to claim the RP BONUS, I set it to do that automatically every 24 hours as this nets more RP than you spend (EG, 100 RP roll bonus costs 1200 RP, but can net 2400 RP if claimed every hour). Eventually you accrue enough RP to claim the %1000 BTC bonus, probably at a rate of once or twice a week.
My current BitBot settings now that its auto claiming, I have the 24 hour auto bonus claiming 100 RP roll bonus and 100% claim bonus, spending a total of 1520 RP, but I'm making 2400 RP with the RP bonus, leaving me 780 RP in the positive each day. Every now and then I'll stop the auto bonus claim so I can buy the 1000% claim bonus (3200 RP). So on a normal day I'll make about 1344 Satoshi. Bitbot auto bonus settings
Once your accrue more referrals, or save enough RP, it's possible to claim the 1000% BTC roll bonus multiple days in a row. This is just about as optimal as you can get for auto rolling.
Self Referrals
If you have two devices (phone and computer preferably) you can make two accounts as long as one uses a different wifi or internet connection, as the roll rewards tracks IP addresses for roll counts. So if you have 2 devices on the same network, it sudo links accounts, so if you roll on one, it restarts the timer on the other. This allows you to collect referral rewards from yourself. Effectively adding 25% of interest and 50% roll rewards.
I currently have a phone autorolling on BitBot with a computer autorolling on Firefox with a tool to roll automatically as long as the page remains open. My computer account is referred from my mobile account, and is currently bringing in an extra .000015+ BTC weekly (currently, total will be this Sunday and I will update).
I've also made another account on my partners phone, linked it with bitbot and got it auto-rolling. Once bitbot is going, its non-invasive and you can silence notifications, it also uses minimal data.
Supplementing with CryptoTab
I'll use CryptoTab on my computer 24/7 to earn BTC from that while I have FREEBITCO.IN running. I also have it running on my phone at night when I sleep and on an iPad I have that I don't use much, its server mining, so no worries about battery on mobile devices. On computers it does actually use your processing power. You can directly deposit into you FREEBITCO.IN accounts.
CryptoTab Link
I've used it for two weeks and have earned a total of .000454 BTC (3.60$ USD). Not huge, but enough to start collecting interest on FREEBITCO.IN and to get the capthca free account requirements.
Supplementing with Cointiply
🛑WARNING: Cointiply's main currency is the constant, weighted against the dollar (10,000 coin/1USD). This means your actually BTC holdings will fluctuate with BTC's price.
For this reason, it's my strong opinion that DON'T HODL in Cointiply as you're not holding actual BTC.🛑
Cointiply is a great site to earn decent amounts of COIN which translate to SAT's. Earn coin, withdraw to FREEBITCO.IN (as you actually hold BTC in cointiply).
I also use an ASIC miner (Antminer s9i, DIY liquid cooled and overclocked with BixBit firmware), and whatever I earn I'll put that into FREEBITCO.IN to collect interest. If you want, I may be willing to do a rental.
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1️⃣0️⃣ADVERTISING YOUR LINK1️⃣0️⃣
📝NOTE: Since this faucet has been around a while, many people privy to sites such as this are already signed up. So getting referrals can be a slog. My tips for your ads is be genuine and don't hard sell or post "too good to be true" sensational ads.📝
COINTIPLY
This is another faucet. Its structure is a bit different from FREEBITCO.IN, as you complete offers to earn coin. Within this site (also an app) users can earn coins by doing PTC ads (and other offers), this is a good method to get exposure as you can advertise as well. Using this method my traffic for last week as about 800 people.
13000 coins buys about 1000 "clicks" on your ads. They also have options to advertise to people based on location (these options will increase or decrease cost). After your first ad, you usually get a 10% off coupon good for 7 days as well.
You can earn this amount within a day doing surveys on Theorem. I've done surveys before, and this has to be one of the best surveys sights I've ever done. Very rarely do I get kicked out mid survey, and if I do, I still get partial pay.
I will also use "Hideout" on my computer and leave it running. It has to be the open tab on your browser, with the browser open, not minimized. Let it go and check it occasionally as it has a timeout at roughly 2-3 hrs idle. As of now this is the best passive method of earning on Cointiply.
PI NETWORK
Pi Network, an ICO (Initial coin offering) based on trust and social media is another good medium for advertising. I will usually see 15-20 people click on my link with 2-4 ads posted per day.
Just go to "chat", select "random" and post an ad in the chat channel. No charge.
My tip, keep your ads short to medium in length, don't spam.
XYO NETWORK/COIN APP
This is another crypto earned through "geo-mining". On the "coin" app you can do a "geodrop" where you can leave a note. Just click on the box with a parachute icon, select "any" on the "Tile" selection. Leave your ad in the "note" section.
It costs 10 "COIN" at the very least to do a "geodrop". This method may not be worth it if you aren't already involved in the program. To earn a substantial amount of coin, you'll need a subscription or a "sentinel". Sentinels can actually be purchased for under 20$ nowadays (depending on site) and is the best option to earn. Without these you'll only make approx .05-.18 coin every 30 seconds if you're actively moving.
My tips if you plan on advertising on this platform, once again keep it short, and only advertise around 7-9am and 4-6pm, as this will be peak mining hours with people driving to and from work.
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1️⃣1️⃣LINKS1️⃣1️⃣
My FREEBITCO.IN Referral Link
What is a Satoshi?
Bitcoins price through Coingecko
CryptoTab Link
Autoroll on Firefox
Coinbase Link
PI NETWORK
COINTIPLY
XYO NETWORK/COIN APP
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submitted by thatoneguyYMK to SpareCash [link] [comments]

"The goal is to make light wallets impractical" & "What good is adoption if we just turn into PayPal?" - Concerning thoughts from Luke

submitted by Phroneo to Bitcoin [link] [comments]

Bitcoin-QT Wallet Update Ubuntu -1 Setting up Bitcoin How to make a Bitcoin request/donate button Communicate with Bitcoin-qt using C# - .NET (5 of 6) prevent bitcoin-qt client from crashing on the mac

Bitcoin software has both a graphical interface called bitcoin-qt and a console interface, bitcoind. If the first is convenient for human use, then without a text it is quite difficult to make an online store or any other service that accepts bitcoins as a payment. About it and speech will go. To work you need to run one instance of bitcoin as a daemon, so he worked as a full-fledged host on ... Bitcoin Core is a community-driven free software project, released under the MIT license. Verify release signatures Download torrent Source code Show version history. Bitcoin Core Release Signing Keys v0.8.6 - 0.9.2.1 v0.9.3 - 0.10.2 v0.11.0+ Or choose your operating system. Windows exe - zip. Mac OS X dmg - tar.gz. Linux (tgz) 64 bit. ARM Linux 64 bit - 32 bit. Linux (Snap Store) Support ... Bitcoin Core (formerly Bitcoin-Qt) is the third Bitcoin client, developed by Wladimir van der Laan based on the original reference code by Satoshi Nakamoto. It has been bundled with bitcoind since version 0.5. Bitcoin-Qt has been rebranded to Bitcoin Core since version 0.9.0 .. Bitcoin Core can be used as a desktop client for regular payments or as a server utility for merchants and other ... Bitcoin-Qt is the so – called" official " client of the network, which is developed and promoted by Bitcoin Foundation, a non-profit organization uniting core developers and responsible for the community's contacts with corporations and governments.Bitcoin Foundation branches are opened in several dozens of countries around the world. Install Bitcoin-Qt Since version 0.9, Bitcoin-Qt was renamed to Bitcoin Core t o reduce confusion between Bitcoin-the-network and Bitcoin-the-software. Bitcoin Core is a full Bitcoin client. It is a thick client, meaning it requires the full blockchain (explained below) on local disk to operate and expose blockchain back to the network to help relay and verify transactions. Keep a copy (sync ...

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Bitcoin-QT Wallet Update

Ubuntu -1 Setting up Bitcoin Commands, sudo add-apt-repository ppa:bitcoin/bitcoin sudo apt-get update sudo apt-get install bitcoin-qt sudo apt-get install bitcoind sudo blkid sudo nano /etc/fstab ... BTCPay Server 2,692 views. 8:21. JAVA - How To Design Login And Register Form In Java Netbeans - Duration: 44:14. 1BestCsharp blog Recommended for you. 44:14. Bitcoin Donate Button With No Address ... This video is unavailable. Watch Queue Queue. Watch Queue Queue Bitcoin Core is a quick deployment official Bitcoin cryptocurrency client. Bitcoin Core Server for Windows 2016 Bitcoin Core is an open-source software that serves as a bitcoin node (the set of ... Communicate with Bitcoin-qt using C# - .NET. Category Howto & Style; Show more Show less. Loading... Autoplay When autoplay is enabled, a suggested video will automatically play next. Up next What ...

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