Questions tagged [client]

A client is any application which allows a user to connect to the Bitcoin (or alternate) network. Alternately, "client" may refer to a non-standard user interface which interacts with the Bitcoin network through a standard client.

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Is there a way to download blocks from scratch without downloading block headers first?

I would like to know if there's a way to download a blockchain without knowing block headers. This could be achieved by asking NEXT_BLOCK_HASH from the genesis block. But is this even possible ?
Loopite's user avatar
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How can I send bitcoin to an address without a third party app?

Let's say I've generated a pub-priv key pair using ssh-keygen and loaded cash into it using an ATM. I've avoided using third parties thus far, so how can I continue this with sending bitcoin to a ...
user144264's user avatar
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How to run master mining node with semi-offline slaves?

How can I run a master mining node with semi-offline slaves? I have a single master node that is fully connected to the internet (bidirectional). The master node is also connected to thousands of ...
fejyesynb's user avatar
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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 ...
Sky Tech's user avatar
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67 views

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 ?
Romain's user avatar
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What wallet size difference to expect between Bitcoin Core (binary) and Electrum (json) wallet files?

Imagine a relatively big wallet with tens of thousands of addresses and 3x transactions. Now, let's say I restore such a wallet and do full re-scan in two applications - in Bitcoin Core and in ...
Meglio's user avatar
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1 answer
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How to run the Eclair client in terminal?

I'm trying to install Eclair on my machine according to the instructions for installing Eclair. I downloaded the latest release, unziped the archive but coundn't find "eclair-node--<commit_id&...
Bicheng's user avatar
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394 views

Connect to Remote Bitcoin Node

Is there a free Bitcoin full node I can connect remotely? Based on my understanding, SPV nodes have to rely on full nodes, but I don't know how to connect to full nodes with SPV nodes. How can I find ...
xor's user avatar
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How do I retrieve address balances to build a Merkle sum tree?

Curious about building my own proof of solvency program. I understand how the Merkle sum tree works in theory but I am having issues understanding the practical ways of getting the information I need. ...
madamepresident's user avatar
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How can I retrieve transaction graph data in specific time period

I want to create a graph data of Bitcoin transactions in specific time period. In other words, I am trying to write some kind of program when a user enters specific time range, transactions graph data ...
xor's user avatar
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best btc node and lightning to run in lubuntu

I run lubuntu in my ~#missing#~. I have made multiple efforts to install umbrel, I tried it but I couldn't install to my external SSD because I run out of space. I used all the possible commands but ...
Iasonas's user avatar
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Bitcoin-qt runs client correctly, but bitcoind downloads new software

I'm really struggling. I'm a bit new, but I'm trying to run bitcoind. When I run bitcoin-qt, everything is fine, but when I try to run bitcoind, it starts to download a new bitcoin core software. Does ...
Peder Rustad's user avatar
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1 answer
84 views

Accidentally sent money to donation address on bitcoin.org website

4 days ago I sended my money to Bitcoin wallet as a donation,I am new guy,and I did it wrong I wanted to transfer the money to my other wallet account to put it on my bank to buy food.now the money ...
Bogdan Pihodi's user avatar
0 votes
2 answers
197 views

hdseed, hdseed, and bitcoin-qt

in bitcoincore, what is the use of hdseed please? can we restore a wallet with it? and above all an address with bitcoin on it thank you ! for IT
BTCStackEforCarl815's user avatar
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Is bitcoin a common noun or a proper noun?

Is bitcoin a technology or is Bitcoin(with a capital B) a specific brand?? If common(seems like what satoshi suggested) why aren't plural bitcoins? If proper, which clients can claim it? Is it ...
skang404's user avatar
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Bitcoin Core Peer Connecting Problems

I am trying to get Bitcoin Coin to sync . I am having problem . I have tcp port and Udp port setup . Tcp port is inbound 8333 outbound 8333. But still no peer connection. I don't know what to do at ...
Danny's user avatar
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2 votes
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bitcoin-cli importmulti readonly address "This type of wallet does not support this command"

I used to tapscript to generate a taproot address thus I don't know what the related xpub key would be so I can't easily import a descriptor. I know that bitcoin-cli version 21 was able to watch a ...
Ashley Hendricskon's user avatar
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1 answer
66 views

IP and .onion addresses in buckets

From my understanding, the new tables have 1024 buckets and each bucket can hold a maximum of 64 addresses. Is there a limit set in place for the maximum number of address types that can be part of ...
Vinay Shetty's user avatar
3 votes
2 answers
475 views

Wasabi Wallet 2.0 coin control. How secure / private are sent coins now?

I have a wallet which contains several small coins each with a different level of privacy (Coin Join rounds) which generated in the Wasabi 1.1 I wish to send an amount which I would like to remain as ...
Vixtir3432's user avatar
3 votes
1 answer
295 views

Remove descriptor from a Bitcoin Core wallet

I had accidentally imported descriptors into a wallet that I didn't mean to import to in Bitcoin Core. From what I can tell, the only way I can remove this descriptor from that wallet is to delete the ...
kcalvinalvin's user avatar
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2 answers
94 views

How can I manually connect a bitcoin network and create a bitcoin account?

I am not sure that I'm 100% technically correct, but I want to create a key value pair which is essentially my Bitcoin account. Please correct me if I am wrong. So what does it take me to make my ...
Andrew Anderson's user avatar
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141 views

How can I query for all OP_RETURN data starting at a specific block height (or hash)

I'm working on a "light client" for ION (Identity Overlay Network), and I'd like to see if there is a better method to grab the OP_RETURN data that it needs in order to build state. ...
user1943442's user avatar
-1 votes
1 answer
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Transaction pending unconfirmed for a very long time --- Done with Bcoiner App

I sent bitcoin to someone 8 days ago and since then no confirmations have been done but myself someone sent bitcoin sameday and got many confirmations sametime. So i tried to resend the bitcoin about ...
Mkhokheli Ncube's user avatar
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79 views

Bitcoin payments without storing blockchain

I want create a program that receives payments via bitcoin and sends them to other addresses. I'm going to generate unique address for each payment, then check if there are transactions with outputs ...
AlexGlass's user avatar
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1 answer
142 views

Is it not possible to have password reset feature in Bitcoin Core Wallet?

I would like to know why there is no feature to retrieve forgot password or reset with a new password ? Thanks
R135's user avatar
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2 votes
1 answer
288 views

IP's in the new and tried table for bitcoin nodes

I was curious what IP's are stored in the new and the tried tables in the bitcoin nodes when the peers have onion addresses.
Vinay Shetty's user avatar
-1 votes
1 answer
154 views

Is there any web3.py equivalent for Bitcoin?

Is there a good python library to connect to my locally running bitcoin node and query it? Such as view data block by block, txs, network difficulty at the time of each block, and other parameters? ...
Rattle's user avatar
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1 answer
204 views

Which rpc command is used when solo mining to submit successful hash <= target?

Basically I am trying to know which command is to be used when attempting to submit a block to the network (amongst other things). Q1. Is the command bitcoin-cli submitheader or bitcoin-cli ...
AncientTides's user avatar
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1 answer
81 views

Where does a Client in Bitcoin Read From?

I can understand how Bitcoin replication mechanism work profoundly (i.e. the write operations). However, I don't understand the read operation from a client's point of view (a client is called a user ...
محمد جعفر نعمة's user avatar
1 vote
2 answers
294 views

Is the coinbase automatically generated by the getblocktemplete rpc call?

I'm working on a mining script and i just want to really be certain for sure as I wouldn't want to waste Time & resources. Q1 - Is the coinbase transaction automatically generated by the ...
AncientTides's user avatar
0 votes
1 answer
707 views

Watch incoming transaction with node.js

I would like to watch a set of Bitcoin addresses and be able to execute some logic as they receive a payment. According to this answer it can be done using blockchain.info: const Socket = require('...
forhas's user avatar
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1 vote
0 answers
183 views

Can't sync to Bitcoin Network

I'm a newbie to this community. I have been trying to download all the blocks and be a full node, but I cannot connect to peers. I checked my firewall and there seems no problem, and tried to add node ...
etelpmoc's user avatar
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0 answers
41 views

Bitcoin Core 21.1 still no coin for me?

I have it setup i think on Windows 10 64 bit setup the wallets and encrypted it its been running solid for 8 hours and my bitcoin is showing 0.0000000 BTC still both available and pending what am i ...
Brian Stringer's user avatar
0 votes
2 answers
108 views

I withdrawed a small amount of BTC from Coinbase Pro to Electrum and it was immediately sent to another address

Weird... I took out a small amount of BTC from Coinbase Pro, generated a new receiving address in Electrum, and as soon as the transaction came in, the BTC was transferred to an address which I do not ...
Michael LEVY's user avatar
0 votes
1 answer
66 views

Lost Bitcoins Help [duplicate]

years and years ago I invested in bitcoins and I also got some free for signing up somewhere and since then I have had a new phone and don’t even have that computer anymore so now I am unsure of how ...
Rasha Tatras's user avatar
1 vote
1 answer
239 views

How does miner order transactions?

I understand that miners can do whatever they are pleased to do. Either include 0 transaction or 1000 transactions in the block before mining. But I assume majority of the nodes run the same set of ...
ldanfrustdsbflqbsdeedrustdf's user avatar
0 votes
1 answer
55 views

Internals of bitcoin block replication workflow from wallet, and conflict resolution

If I initiate a transaction from my wallet, does my transaction go to only one node? Does wallet client send to multiple nodes? What happens if no miner decides to include my transaction? Would my ...
ldanfrustdsbflqbsdeedrustdf's user avatar
0 votes
1 answer
88 views

When exactly does Bitcoin transaction batch happen?

I need some help understanding the Bitcoin internal... The basic idea is: The miner assembles N transactions into a block (rather than creating a consensus for every single transaction). And hash ...
ldanfrustdsbflqbsdeedrustdf's user avatar
0 votes
1 answer
70 views

How to develop bitcoin sidechains/second layer solutions?

If I have an idea for a use case that requires transparency and ultra-secure final settlement, how do I go about programming this to be a side chain/2nd layer solution on the bitcoin network? Is there ...
Runeaway3's user avatar
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1 vote
2 answers
57 views

How can blockchain prevent bad transaction script [duplicate]

Novice here trying to understand blockchain and transactions. I was reading about the scripts to verify the ownership of UTXO and understand that, this script actually can be client-defined. What if a ...
Praneeth Reddy's user avatar
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0 answers
63 views

Triying to help grandpa recover his bitcoins [duplicate]

Back in 2013 my grandfather bought BTC. Wallet.dat file was lost most likely due to pc formatting. He would like to recover his wallet or bitcoins or whatever is possible I don't understand much about ...
Alvaro's user avatar
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2 votes
1 answer
541 views

Bitcoin HD Wallet using C#

What packages do I need to use for creating Bitcoin HD Wallet in C# using BIP44? How can I connect to a remote Bitcoin Node to read all the deposit transactions received by various child addresses in ...
spk's user avatar
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1 vote
2 answers
119 views

Is it possible to capture network events without going full-node?

You might find my question rather quixotic or nonsense. But I have to ask it here. I want to capture all the transactions propagated over the main network and detect if a new block mined. I don't want ...
Davood's user avatar
  • 113
0 votes
1 answer
287 views

Money sent to wallet was removed in unexpected second transaction 30 minutes later

I got sent bitcoins to my cake address then the coins went into the account as unconfirmed for about half an hour then they were sent to another address, and the confirmations have finished and i dont ...
tom jones's user avatar
0 votes
1 answer
58 views

Wallet's dollar value of transaction is WILDLY off my actual dollar payment

I was using Safepal Wallet and moved my funds to Trust Wallet. I am currently tracking those original transactions for tax purposes next year. I was simply using hash/txid provided in the transaction ...
Jennifer's user avatar
2 votes
1 answer
127 views

What does a wallet do?

What are the actual requirements for a bitcoin transaction? Not the simple inputs, outputs, verification or amounts, but in the technical sense; what does your wallet do? Everything I read says you ...
Anonymous's user avatar
-1 votes
1 answer
44 views

Finding my Bitcoin [duplicate]

Around 20 years ago I was watching ad and playing online short games and they mining me Bitcoin. Now I have the email address but I couldn't find any email regarding that. In my inbox only shows the ...
Henry's user avatar
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1 vote
0 answers
158 views

Stratum: How many shares should I submit per job?

I'm implementing a bitcoin CPU miner just for fun in python. I've been reading a lot about bitcoin and the protocol pools use for communication and coordinating workers but there is a key concept I ...
PHAN's user avatar
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0 votes
1 answer
74 views

I just need some advice or assistance if possible? I'd really appreciate anyones 2cents on this

I sent BTC from Paxful to an exchange called LAtoken. $36 worth of BTC was sent, nothing major to anyone else but really huge to me. Cope pasted and confirmed address. NO btc arrived almost a day ...
Ian's user avatar
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3 votes
1 answer
711 views

What is a correct extranonce2 value in the stratum protocol?

I'm developing a stratum mining client. I read on stratum v1 docs on braiins.com how mining work is done on the stratum protocol and that the coinbase is done by concatenating coinb1+extranonce1+...
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