Questions tagged [bitcoin-core]
Bitcoin Core is a full node implementation of the Bitcoin protocol with a wallet and GUI. Bitcoin Core is a 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.
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Can addresses be linked to "wallets"?
If I have my coins on address A, send it to address B from the same private key, is anyone able to say "these two addresses belong to the same wallet" with certainty? Because of the public ...
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How long will my deposit take. Bitcoin Core wallet going to Binance wallet
Please help. It's been a while now and my TxID still not showing at the explorer. Trying to search it once in a while and still no results found.
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Expiry option on unconfirmed transactions [duplicate]
Why isn't there a way to set expiry on a transaction after n blocks if it stays in the mempool for that long? The logic for which is 2 wks by default?
The only other way to deterministically cancel it ...
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How to find transaction's original author in Bitcoin Core?
I have recently installed Bitcoin Core on my PC and downloaded the blockchain in prune mode. I want to find out if there is a way to find transactions original author, the node which broadcasted a ...
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How to increase fee of existing transaction with bitcoin-cli
I have broadcast a trasnaction from my bitcoincli wallet using this command:
./bitcoin-cli sendtoaddress ADDRESSGOESHERE 0.1
The problem is, it has set the fee to a very low amount by default.
After ...
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setting personal blockchain Server/Node to store website reviews
Hello & Good Day,
I wanted to setup a bitcoin based web application to store website reviews [my personal project not for mining coins or providing bitcoin distributed node]. I just wanted to ...
- 101
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21
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Listening only for local inbound connections over "clearnet", and using Tor for external connections
I want to connect some wallets to my node in my LAN, over regular connection (not Tor), but I don't want my node to use this "clearnet" connection for anything else (for example to connect ...
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27
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bitcoind keeps crashing / using up all resources
I have a 12 vcpu 24 gb ram vps server running bitcoin core and the daemon will sometimes randomly crash or it will sometimes take up all of the 24gb of ram. Just trying to stop the daemon using the ...
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146
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Bitcoind is able to listen both to clearnet and Tor networks but broadcast transaction only over Tor?
I know bitcoin core node can listen to both Tor and clearnet connections, but in this situation is it possible to broadcast transaction only over the Tor network and not clearnet? I'm asking it for ...
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Trying to implemant a transfer functio, no idea how todo
Hello to everyone i hope everyone is good now
i want to implemant this transfer https://domo-2.gitbook.io/brc-20-experiment/ function but i don't understand when the utxo is spent for a valid ...
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How can I change the inputs and fee of an unconfirmed Bitcoin transaction?
I have a 3 days old unconfirmed Bitcoin transaction that has 13 inputs, 2 outputs and a low fee.
I want to remove the small value inputs because as it increases the size, it also increases the minimum ...
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44
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Setting up to create PSBTs using Bitcoin Core from 10 year old non-deterministic wallet
I have an old wallet from 10+ years ago. It was created using an old version of Bitcoin Core before deterministic wallets were a thing. I have it now on an offline computer that has Bitcoin Core 21.0....
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How can I change the bitcoin core version within an already installed blockchain?
I want to change the version in the corresponding
directory with git tag and git checkout vx.y.z.
But when I type git tag there's no output.
How can I change the version without installing the ...
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Transfer amount does not match
Transfer amount does not match. Sent 0.33, and displayed on blockchain.com - 0.44. Why?
And sent from one address, but the second with a sum of $354 is also displayed. the same thing was transferred ...
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Import existing address to BIP-32
I would like to know if there is a way to import an existing address (not generated through the BIP-32 protocol and not derived to it) to my BIP-32 master node.
I am using the bitcoinjs-lib library on ...
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121
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Bitcoin Core v23 using more inputs than necessary costing more fees
Bitcoin core v23 has been handling input selection just fine until the feeRate (in kvb) was set to "0.0005". It began aggressively consolidating inputs costing me more in paying for ...
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Unconfirmed transaction Bitcoin Core 22.0
I use Bitcoin Core 22.0. I sent a transaction.
By mistake I chose a low feerate, and now the transaction is stuck in the mempool, and who knows if anyone will notice it. In previous versions of ...
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What's the governing motivation for the descendent size limit?
Since 2015, Bitcoin Core has included a -limitdescendantcount configuration parameter (added in this commit) that forbids a transaction in a node's mempool from having more than x descendants accepted ...
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Testing pruning logic with bitcoind
I'd like to test pruning logic using bitcoind in regtest mode, however, given the nature of regtest, blocks are rather empty (if not fully). Is there any way of easily generating full blocks so the ...
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In bitcoin core can ScriptToUniv give us wallet address of public key?
a few days ago I created a PR https://github.com/bitcoin/bitcoin/pull/27546
where I proposed ScriptToUniv can give us wallet address of public key But some guy commented
"Concept NACK
Sorry, no. ...
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How does it contribute to the Bitcoin network when I run a node with a bigger than default mempool?
Lately, when the blockspace demand outstrips the default mempool size and the dynamic minimum feerate of nodes rises above the minimum transaction feerate, I often see the suggestion to simply ...
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How to recover and sweep P2PK coins
In an effort to recover some old dust, I've been working on a sweep script to be used on a bunch of old private keys with a little BTC locked inside multiple p2pk utxos.
First I tried using python's ...
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32
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LevelDB error after power outage
After a power outage, starting bitcoind I recieved this errors (circled in the image). Reading online some users suggest to do a reindex and i did it but after 11 hours my node isn't reindex yet... ...
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Mainnet node sync really slowly with 12 tb seagate external hdd says data rate is 6gb/s
Hi my node is syncing really slowly I have the datadir in an external hard drive connected through usb. Says the data rate for this seagate 12TB is 6Gb/s but the syncing is slow in comparison to when ...
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How can I collate blocks in blk*.dat files and rev*.dat files?
According to this answer, blocks in blk*.dat files and rev*.dat files don't necessarily appear in the same order, nor are either files necessarily in monotonic order, and blocks not part of the active ...
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How to disable RBF in Bitcoin Core?
I am creating a transaction with Bitcoin Core (v24.0.1) and it has RBF enabled (sequence: 4294967293) by default. I am trying to disable RBF by adding walletrbf=0 and mempoolfullrbf=0 to bitcoin.conf ...
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Error when doing a getdescriptorinfo on a Miniscript descriptor (V24.0.1)
I'm trying to play around with miniscript and import them into Bitcoin Core v24.0.1.
I created the following descriptor in https://miniscript.fun and tried to validate it in Bitcoin Core
bitcoin-cli ...
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How to Sign Bitcoin Transaction from two or more children wallet in HD wallet
How can I handle a situation where I have bitcoin on two or more different wallets with a single phrase, how can I sign the two transactions to a friend.
Example:
I have 2BTC in a wallet address that ...
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Why doesn't the getrawtransaction command with the verbose flag include the confirmations field?
According to the official Bitcoin documentation, getrawtransaction should return a confirmations field, but I don't see that field in the response.
https://developer.bitcoin.org/reference/rpc/...
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How to explore hardened addresses in bitcoin core descriptor wallet
I created an blank descriptor wallet and imported a xprv key.
importdescriptors '[{ "desc":"wpkh(tpr..../0h/*h)#td3snsa4", "timestamp":"now", "internal&...
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Does testnet bitcoin wallet support redirections?
We are trying to integrate bitcoin testnet wallet with react native dapp usin deep linking. Such that when user tries to send btc he will be directed to bitcoin testnet wallet and once transaction is ...
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Bitcoin core wallet shows a wrong balance
after downloading and running bitcoin core v24.0.1 I connected to Sparrow wallet which in turn was connected to a Ledger hard wallet.
Here is the problem: after bitcoin core did the rescanning the ...
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The hardened character does not work directly with bitcoin core importdescriptors RPC
When I importdescriptors to another bitcoin core wallet using the descriptor shown in the bitcoin core, the descriptor with hardened character can not used directly.
example: importdescriptors '[{ &...
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Is it normal that uploading is higher than downloading? (traffic network) [duplicate]
Config:
Windows 10, i5, RAM : 16Go
Bitcoin options : Version : 24.0.1
with Serveur RPC on, UPnP on, natpmp on, no proxy, no onion
Does it seems normal to you ?
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Can someone explain what is happening in the pic and why my node is loading with dB 4.8.30 pl from top to bottom?
2023-04-12T14:00:45Z HTTP: starting 4 worker threads
2023-04-12T14:00:45Z Using wallet directory C:\Bitcoin\wallets\wallets\*****""
2023-04-12T14:00:45Z init message: Verifying wallet(s)…
...
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Opening old wallet, sync Bitcoin Core first or import first and sync after?
I have an old Bitcoin Core wallet file with some coins I need to move to a different address now but I do not have Bitcoin Core synchronised.
Can I just run Bitcoin Core, open wallet and send ...
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Is there such a bip32 function?
I have this code:
const bip32 = utils.BIP32Factory(utils.ecc)
const mnemonic = utils.bip39.generateMnemonic(256);
const seed = utils.bip39.mnemonicToSeedSync(mnemonic);
const masterNode = bip32....
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Next step to understand Bitcoin Core [duplicate]
After compiling Bitcoin Core, what should be my next step to understand the codebase?
I’m a very new contributor and developer.
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Import BitcoinCore's blockchain into bitcoinj
I'm a newbie in bitcoin. I've started programming some software using bitcoinj to make some transactions in bitcoin's testnet.
But there is a huge problem I faced with. I cannot normally download the ...
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After updating my Mac doesn't recognize my bitcoin core
After an update my Mac doesn't recognize my bitcoin core. The bitcoin avatar shows up in launchpad with a "?" in it. How can I fix it? I have been running a node 24/7 for a couple months ...
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I want to generate raw transaction data in Nodejs
The information I have Source address Destination Address Source private key Amount That's it.
I don't know much about bitcoin, so I worked hard to get this information from the private key of the ...
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How do I verify Bitcoin Core’s integrity?
I'm trying to verify release signatures, but I have no idea how. It says to open a terminal window, and every time I do, I have no idea what to type. I’m using Windows. I downloaded the Bitcoin Core ...
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How many sigops are in the invalid block 783426?
On April 1st 2023 F2Pool mined block 00000000000000000002ec935e245f8ae70fc68cc828f05bf4cfa002668599e4 (full block) which my node failed with bad-blk-sigops.
Bitcoin Core stops counting as soon as it ...
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142
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How do I perform a RBF transaction through Bitcoin Core?
I have no knowledge about Bitcoin Core and attempted my first transaction, which failed due to low fee due to a basic math error. (Did not notice it was per kilobyte rather than per byte.)
It is ...
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I have Bitcoin core v 23.0 I have my 12 word seed how do I recover my wallet?
I have Bitcoin core version 23.0 I have my
12 word seed how do I recover my wallet?
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Writing custom test scripts
I'm interested in writing some custom test scripts for btc core. Is there any documentation on the test suite anywhere? I did find this link.
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Could you hack Bitcoin / Proof of Work with one leading zero for each block?
I believe that in Bitcoin, if you would like to replace the chain, you need to pass 3 conditions. You need to have a longer chain (more blocks), you need to have a greater total difficulty (the ...
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Why listdescriptors yields different xpub keys for a brand new wallet in bitcoin core
I noticed that if I listdescriptors true immediately after creating a brand new wallet, it would list 8 descriptors that all use the same xprv key.
However, listdescriptors false would list 8 xpub ...
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Does bitcoin core save the seed in a brand new descriptor wallet when it gets created?
When I create a brand new descriptor wallet in Bitoin Core 24.x, does it save the seed anywhere, and if so, can I export/import it?
I understand that exporting descriptors only is not the same as ...
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Could the Bitcoin Core descriptor wallet recover and start spending UTXOs by only scanning the UTXO set?
In the case where you import a previously used BIP32 seed into a Bitcoin Core descriptor wallet, at the moment if I understand correctly, the only way to recover the UTXOs and spend them is by first ...
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