Questions tagged [bitcoin-core]

This tag should be used for questions pertaining to Bitcoin Core. Bitcoin Core is an MIT-licensed Qt 5 GUI application for the original Bitcoin codebase. Additional/previous names include "Bitcoin-Qt", "Satoshi-Client", and "Standard Client". This tag should be used when referring to the Bitcoin Core software.

527 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
1
vote
0answers
191 views

sendtoaddress not deducting from account

I have two accounts called "hot" and "cold" and have few address and transactions in each of them. I am trying to move some funds between "hot" to "cold" and using sendtoaddress like this bitcoin-...
1
vote
0answers
66 views

Bitcoin-core 0.15.1 gettransaction showing wrong fee for some transactions

What makes me wonder, this happens just for some transactions Take a look at this transaction: 20179d0d2fba68b2ca82ab8cc5faa39ced73324af6b90b6505cca2c3d65102a6 As you can see inputs/outputs fee is: ...
1
vote
0answers
732 views

How to get all transactions of address with bitcoin api in node.js?

I want to find all transactions of address in regtest. How it is possible to do? I have this solution, but I get response (201) before for ends. I think it's bitcoin timeout false. bitcoin....
1
vote
0answers
141 views

Bitcoin network information pubkeyhash privatekey

I am trying to set up a https://github.com/bitpay/bitcore Insight node but for a forked coin of Bitcoin. To complete the task I need to modify the following information but with the forks version. ...
1
vote
2answers
329 views

how to fix Bitcoin core 14.2 on Windows 10 Home 64bit ver.

I cant install Bitcoin Core 13.2 thru 15.01 64 bit on my window 10 64 bit system it worked ver 14.2 worked before I tried to sign into coinbase that emailed me an address that needed to Identify my ...
1
vote
0answers
292 views

getpeerinfo peer port number

Working on regtest (Bitcoin Core 0.15.1) I've realized that some peers are identified just by ip instead of by ip:port when querying bitcoin-cli getpeerinfo. I've noticed that when it happens the ...
1
vote
0answers
615 views

How long until an Antminer S9 becomes obsolete and should be replaced?

I'm currently considering the purchase of a few Antminer S9 13.5 THs and I'd like to have an idea of how long I could (or should) plan to use one before replacing it with a newer model. I've seen ...
1
vote
0answers
194 views

How to build escrow feature in my website like paxful.com

i am building an exchange bitcoin website,but i want to know how to make the website a 3rd party between buyer and a seller to be an escrow like paxful.com any ideas about an API or a service that ...
1
vote
0answers
54 views

import hard wallet to bitcoin core

I'd like to hold my bitcoin on coinbase in a hard wallet. they explain that you can onyl do that by importing a hard wallet to online one like Bitcoincore. but how do you do that? import a hard ...
1
vote
0answers
59 views

Which peer-to-peer technologies are used to sync blocks in a blockchain?

I searched a lot about it but didn't found out anything. I want to know about the technologies used in block syncing and the algorithms.
1
vote
0answers
140 views

Test vectors for bitcoin core (blocks and transactions) needed

I am looking for test vectors to test edge cases of an implementation. For instance: "Unusual" blocks that made it to the blockchain Non standard transactions that made it to the blockchain Anything ...
1
vote
1answer
2k views

Tax implications of withdraw fee from one exchange (Binance) to another GDAX/Coinbase

I transferred 0.2 ETH and 0.3 ETH in separate transfers from GDAX to Binance (GDAX does not charge a fee for this). Then, I transferred back from Binance to GDAX all 0.5 ETH, but since Binance ...
1
vote
0answers
42 views

Old core wallet giving error at startup

I have a core wallet from 2011. a version 0.4.0 beta with almost 1 BTC. When I start up bitcoin.exe I can see content and all my adresses, but it constantly pops up with an error saying: EXCEPTION: ...
1
vote
0answers
636 views

error while loading shared libraries: libboost_system.so.1.63.0: cannot open shared object file: No such file or directory

I am trying to use bitcoin core in airgapped cold storage with tails installed on a usb. first i downloaded the 0.15.1 release bin files into tails storage. i could run the bitcoin-qt just fine. .......
1
vote
1answer
876 views

Trying to open an old bitcoin core wallet.dat file fails

I am trying to open an old (~2012) bitcoin core wallet.dat with a bitcoin.com wallet, and it says that my password is incorrect, although it works great on my bitcoin core wallet. Was there any ...
1
vote
0answers
283 views

Importing a paper wallet into Coinomi

What exactly is happening when you take a picture of the QR code from a bitcoin paper wallet with the Coinomi app? Are you executing a transfer of bitcoin from the paper wallet to the Coinomi wallet ...
1
vote
0answers
162 views

Blockchain syncing seems to be stuck bitcoin core wallet

I installed bitcoin core wallet and it work for a month, now syncing seems to be stuck on calculating progress increase per hour and nothing happens. how do I know if the syncing is progressing?
1
vote
0answers
28 views

Is it possible to set different fee for each account in bitcoin core

I have following accounts in bitcoin core: ajit@AjitSoman:~/git$ bitcoin-cli listaccounts { "": -0.83002768, "1": 1.10000000, "1470": 0.56739259, "1521": 0.63600000, } ajit@AjitSoman:~/git$ ...
1
vote
0answers
123 views

Bitcoin Core on SD card

Running out of hard drive space, I bought a 256 GB SD card formatted with the FAT filesystem and moved my Bitcoin directory to it. After getting error messages I decided to delete it and redownload (...
1
vote
0answers
92 views

Transfer incoming funds from Bitcoin Core to another wallet before blockchain sync is completed

This is my situation: I have a Bitcoin-QT wallet on my Mac (Qt version 4.7.4.- yes I know its very old). only recently I've been working out how to operate and exchange bitcoins. well to cut a long ...
1
vote
0answers
1k views

I sent litecoin to my bitcoin address, on my nano ledger

So I am very new to cryptocurrencies and have already made my first mistake. I used shapeshift.io to transfer bitcoin to litecoin, and entered a bitcoin address as the recipient to receive the ...
1
vote
0answers
418 views

can i find my wallet address without opening bitcoin core qt

I havent ran bitcoin core qt for 4 years. And now the program wont run, just says bitcoin qt quit unexpectedly. A: How can i check my bitcoin address and balance B: How can i get the program working ...
1
vote
0answers
50 views

Do we know which companies donated to Bitcoin Core development?

Similar to a previous question (How do the people who work on Bitcoin Core get paid?) which I felt does not adequately answer my interest. Do we know specifically which developers are drawing a ...
1
vote
0answers
577 views

Bitcoin QT - why do I have an undefined reference to `qInitResources_bitcoin() error

I have built the Bitcoin source code, created my own genesis block and everything was working great! Now that I have changed the word bitcoin to GELF in some places of the program to suit my own ...
1
vote
0answers
499 views

Metcalfe's law for bitcoin price

Here's an inline link to article article the square function number of users times the average transaction value. 94% of the bitcoin moved over the past four years is explained by that equation. It ...
1
vote
0answers
101 views

How do i transfer Bitcoins from Bitcoin Core to BitGo?

How do i send my BitCoins from Bitcoin Core to BitGo?
1
vote
0answers
168 views

Share blockchain data between bitcoin-core and btc-1

I am currently running a BTC-1 node and would like to setup an additional core node before the November fork. Ideally, I would avoid the need to resync the entire blockchain again. Is it possible for ...
1
vote
0answers
737 views

bitcoind transaction fee calculation

I'm using bitcoind and for the transfer of tokens from one account to other, I'm using sendFrom method. but there is a transaction fee calculation and on the bitcoin-qt panel, In the transactions ...
1
vote
0answers
70 views

Bitcoin core closes inbound connections every 10 minutes

I noticed that Bitcoin core will close incoming connections every 10 minutes. Wireshark captures [FIN, ACK] are received from the node. It looks like Bitcoin core is monitoring the connection time. ...
1
vote
0answers
591 views

bitcoin.conf file on mac

I have installed bitcoin core on mac and accessed the config file from the preferences tab on the bitcoin-qt. Now, I have started testnet on it by the below settings. testnet=1 server=1 rpcuser=...
1
vote
0answers
363 views

I have bitcoin in an armory wallet - how do I get the Bitcoin Cash

I have an amount on bitcoin in an armory wallet from a year ago, and have never moved the coins. How do I get the bitcoin cash coins from this? Can I just install the bitcoin cash client and ...
1
vote
0answers
907 views

Is there a guide to uninstall bitcoin core ? Installation mess

Hi i'm wanting to do a full uninstall of bitcoin core and to follow a book that i've recently bought on programming on the bitcoin blockchain. I've tried removing all the data and running: sudo ...
1
vote
0answers
165 views

What is the purpose of Bitcoin timestamps

Why do we even need timestamps on the blocks? Has it something to do with the consensus?
1
vote
0answers
229 views

how to import my wallet from blockchain.info into bitcoin-qt?

I have read the related discussions about how to import a wallet and though they are close, the answers does not help with this problem so I'm asking it here and now. I have my bitcoin public ...
1
vote
0answers
255 views

(RBF) double spend transaction not showing up in searches

On my first ever attempt to send my mined bitcoins from my wallet to a bitcoin exchange site I underestimated the transaction fee that would be required to get the transaction processed. So, following ...
1
vote
1answer
341 views

Mycelium Backup Restore

Is there a way I can restore my mycelium Bitcoin wallet if I have forgotten the 12-word list? I have searched everywhere and no one describes a situation like this.
1
vote
0answers
58 views

Bitcoin core download error

I keep getting error message when trying to download bitcoin core newest version.I keep getting " error opening file for writing ". What am I doing wrong ?
1
vote
0answers
88 views

compling Mac version in Linux

I tried to build windows version successfully using cross-compilation. is it possible for osx too? I mean compiling osx version in linux?
1
vote
0answers
2k views

Old (2010) Wallet - Can't figure out best and safest way to extract

The following is based on my very limited understanding of the software involved in Bitcoin (I have a reasonable understanding of the structure of Bitcoin itself at a high level). I read an article ...
1
vote
0answers
261 views

how the FruitChains consensus works in bitcoin

I came across the paper FruitChains: A Fair Blockchain. The basic nakamoto blockchain algorithm seems to be slightly twisted with using fruits instead of directly inserting transaction in to the ...
1
vote
0answers
279 views

CiPHREX mSIGNA wallet recovery from private key to new wallet

I use mSIGNA for my bitcoin transactions. This is a multi-sig P2SH wallet that requires private keys and an account file to create/view/receive transactions. I've searched through the documentation ...
1
vote
0answers
220 views

Bitcoin core or bitcoind as server on the network?

does anyone know if it is possible to use a specific bitcoin kernel installation on a network as a server for the internal network so you do not have to install multiple complete bitcoin core copies ...
1
vote
0answers
507 views

Blockchain download stuck on Bitcoin core wallet

The caching up process was progressing (slowly but still progressing) until it got stuck after processing 436820 blocks: http://i.imgur.com/4nbP3ML.png 3 days after, I'm still at 70.76% Says I'm ...
1
vote
0answers
55 views

Is bitcoin a better option than banks for transferring money from India to Hong Kong

I live in HK and I need to transfer some amount from my Indian bank account to my wife's Hong Kong bank account. I tried bank wire transfer and I lost almost 11-12% of total amount. My friend also ...
1
vote
0answers
281 views

How to setup, sync, backup en restore blockchain when using bitcoin-qt

I am trying to setup a Bitcoin client using Bitcoin Core and Armory. Synchronization with the network seems troublesome. The blockchain is +120GB and corruptions can easily occur. I have tried twice ...
1
vote
0answers
248 views

Will minrelayfee change the value depend on the mempool size?

I got the following error when I executed sendrawtransaction. But it worked normally when I tried it on another bitcoin node. 66: mempool min fee not met Someone says that minrelayfee will change ...
1
vote
0answers
160 views

Will -addnode option help keeping same condition of mempool between my bitcoind servers?

I have multiple bitcoind servers and they are load balancing. Using IP sticky feature of the load balancer, client app connects to same bitcoind server. However, the stickness is not perfect. I'm ...
1
vote
0answers
2k views

How to dump all private key from wallet.dat (walletversion > 130000)?

I tried to use pywallet and it can't dump all of the wallet's private keys. When I send 10 transactions & decode raw transactions, I will get 10 new addresses, but I can't dump all of the private ...
1
vote
0answers
78 views

Unconfirmed outbound transaction with change messing wallet balance

I noticed a strange behavior with my wallet. I sent a few coins and that generated a change (let's call this change amount X). This transaction is still unconfirmed. Immediately after starting the ...
1
vote
0answers
46 views

two functions Bitcoin has which are absent from Litecoin: `MakeTransactionRef()` and `std::move()`

From the file chainparams.cpp... Litecoin: genesis.vtx.push_back(txNew); Bitcoin: genesis.vtx.push_back(MakeTransactionRef(std::move(txNew))); What is this function MakeTransactionRef()? What is ...

1 2 3
4
5
11