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I'm trying to generate a unique receive address corresponding to a specific Bitcoin wallet of mine every time the visitor loads a static HTML page. For security reasons, the server has no server-side ...
user20986345's user avatar
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Hex string is from https://github.com/bitcoin/bitcoin/blob/d30f149360d10de31bd7f7369aa61ce8be0837b5/src/kernel/chainparams.cpp#L75C5-L75C206 I have tried the following Python 3 code but it doesn't ...
Umair A.'s user avatar
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81 views

I'm building a BIP21 Uri parser for the Dart/Flutter community and I'm unsure how to properly handle the + of a path component nested in the query strings. According to RFC 3986, the + character is a ...
ethicnology's user avatar
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0 answers
108 views

I’m using Fireblocks raw signing to sign Aptos transactions because it holds the private key. I generated the Aptos address from the public key provided by Fireblocks, and this address can receive ...
Saleem Araidy's user avatar
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1 answer
83 views

I'm developing an application that depends on the scantxoutset RPC method in Bitcoin Core. However, the official documentation includes the following warning: EXPERIMENTAL warning: this call may be ...
David Wer's user avatar
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81 views

I am trying to send btc transaction using send-crypto. This reference blog is really helpful for me (How to send bitcoin BTC using send-crypto using WIF key in node,js) I created btc account like this ...
StormyTalent's user avatar
  • 247
-2 votes
1 answer
365 views

Issue with Signing a Taproot P2TR Input in Bitcoin I am trying to sign a Bitcoin transaction spending a Taproot (P2TR) input but keep encountering an error: mandatory-script-verify-flag-failed (...
Th0rgal's user avatar
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1 answer
88 views

I'm working on Bitcoin Ticker project, I've updated the URL "coingecko" in order to put the id and currency with the list I provided and return the url as double. I'm still getting this ...
Shridhar Ashok Kumar's user avatar
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2 answers
272 views

I am trying to sign a raw message, like "Hello World", using the Python library bitcoinlib. The goal is to generate a base64-encoded signature for the message that can be verified. However, ...
Sorry_my_code_is_dumb's user avatar
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1 answer
75 views

What I Am Trying to Do I am attempting to run a bitcoind regtest node and connect it to electrumx_server The Problem When I run electrumx_server, I encounter the following error repeatedly: ERROR:...
Omar Osman's user avatar
  • 62
-1 votes
1 answer
86 views

I computed AR's models to predict the value of BTC. In order to make the data stationary i have transformed it : yt=log(BTS_t) dyt = yt-yt-1 I take the difference of logarithms (interpretable as the ...
Constantin Marguier's user avatar
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69 views

Is there any way to get the associated change addresses of bitcoin wallet .?? I am using typescript as my backend language. I have a use case i need to subtract a value going out from user's wallet ...
Shehryar Tanoli's user avatar
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2 answers
204 views

I need to create a bitcoin family text signing tool. After researching the issue, I found the NBitcoin package and used it to implement the following code: using System; using System.Data; using ...
Max's user avatar
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1 answer
622 views

I have a Bitcoin wallet that I originally created 4 years ago using the BRD wallet app, which has since became the Coinbase Wallet app. I'm playing around with this wallet for educational purposes, it ...
AndreyS's user avatar
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1 answer
403 views

How can I get the Bech32 (Native SegWit) Bitcoin Address from the ec_private without using HD Keys. My code is as follows and I am quite struggling to use libbitcoin documentation. #include <...
Lakshitha Kanchana's user avatar
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1 answer
300 views

How can I get the Segwit Bitcoin Address from the ec_private without using HD Keys. My code is as follows and I am quite struggling to use libbitcoin documentation. #include <bitcoin/system.hpp> ...
Lakshitha Kanchana's user avatar
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-3 votes
1 answer
225 views

good day, I'm running a Bitcoin node on Ubuntu 22.04, Have Bitcoin Ordinals library installed and trying to listen to Ord server using below command: ord --cookie-file ~/snap/bitcoin-core/common/....
AAK's user avatar
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-3 votes
1 answer
634 views

This is my code from bitcoinlib.keys import PrivateKey from bitcoinlib.encoding import pubkeyhash_to_addr # Example WIF private key wif_private_key = "...
Asif Iqbal's user avatar
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-1 votes
1 answer
215 views

How can I import a Testnet bitcoin wallet using private key just for testing in a react native expo project. I have tried bitcoin js but it isn't supported in expo managed project.
Keshav Khetan's user avatar
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2 answers
504 views

this is what i tried: i created a reedem script : [OP_2, PB1 Length(1-byte), PB1, PB2 Length(1-byte), PB2, PB3 Length(1-byte), PB3, 83 (OP_3), 174 (OP_CHECKMULTISIG)] Hash = calcualte ripemd160 of ...
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1 answer
923 views

I am researching on this topic since long, but didn't get the solution. Looking for someone to help me with the code. Here is what i have found till now: Its a two step process, first we can inscribe ...
sachin singh jagawat's user avatar
  • 119
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1 answer
253 views

I am just wondering and struggling to understand how blockchain developers of crypto coins like BTC, ETH, etc. manage to update the code due to the consensus nature. Do they stop all nodes, so later ...
Panagiotis Drakatos's user avatar
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1 answer
137 views

I'm trying to calculate the BTC supply in profit (%) in dune analytics. Based on the metric definition: The percentage of circulating supply in profit, i.e. the percentage of existing coins whose ...
Công Lý's user avatar
  • 31
0 votes
1 answer
34 views

await webln.enable(); const invoice = await webln.makeInvoice({ amount: 1000, }); I need to generate an invoice for a paywall on my site.
chovy's user avatar
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-1 votes
1 answer
408 views

SES_UNHANDLED_REJECTION: TypeError: relays[url] is undefined console.log('nostr login'); const nip07signer = new NDKNip07Signer(); const ndk = new NDK({ signer: ...
chovy's user avatar
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0 votes
0 answers
193 views

I'm looking at the stratum protocol and I'm having a problem with the nbits value of the mining.notify method. I am having problem with calculating the leading zeros value. So I am using below job { ...
Sajjad Hossain Sagor's user avatar
  • 105
1 vote
1 answer
210 views

For testing purpose I am trying to verify a already mined block from the Bitcoin blockchain. I am using this block Block #814283 Below is my simple code in Python to check import hashlib version = ...
Sajjad Hossain Sagor's user avatar
  • 105
0 votes
1 answer
163 views

I was using below code to collect bitcoin data: # -*- coding: UTF-8 -*- import os import re import requests import datetime from bs4 import BeautifulSoup first_date = datetime.datetime(2010,7,16) ...
Marcfly7's user avatar
  • 15
-1 votes
1 answer
1k views

I'm trying to create a bitcoin wallet website and I've written some python code so far. I have downloaded bitcoin core and have created a wallet in the directory: C:\Users\MylesUsername\AppData\...
MylesIsHere's user avatar
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-3 votes
1 answer
4k views

Bitcoin core don't use seed phrase so I am trying to convert the seed phrase to private key, for some reason the output is not correct. Here's my code: import bip39 from "bip39"; import * as ...
Amr's user avatar
  • 11
0 votes
1 answer
171 views

The idea is very simple since the URL automatically updates the price itself, all I need is to add the BTC price within brackets. Example: 0.00003573 is the result from using this URL: https://www....
Learning WooStoreFront's user avatar
  • 273
0 votes
1 answer
366 views

I am trying to create a simple native segwit transaction on bitcoin testnet but it is failing on submit with RPC error -26 which based on the source code is this: RPC_VERIFY_REJECTED = -26,...
user22685947's user avatar
  • 19
1 vote
1 answer
2k views

I am trying to send bitcoin using the send-crypto library. It seems to require the private key to be in hex format, but my key is of the form "L3fKJ..." which I understand to be in WIF ...
James's user avatar
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0 votes
1 answer
642 views

When I run the command btc_address_dump "0x0000000000000000000000000000000000000000000000000000000000000001" the outputed public key is ...
Æmmy's user avatar
  • 45
0 votes
1 answer
92 views

I considered the traditional password hashing: https://security.stackexchange.com/questions/211/how-to-securely-hash-passwords/31846#31846 However, bitcoin has a way of letting people use human ...
prime's user avatar
  • 35
-1 votes
1 answer
525 views

Do tokens bridged on to another network maintain the tokenomics like selling fees and what not that was added to it on the original network? Is there a way to make it possible if not?
OPP's user avatar
  • 45
0 votes
1 answer
1k views

How to properly implement key derivation in bip32, bip44, etc.? I get it right to generate the parent extended key, but then I can’t get the correct keys, they do not match the "Test Vectors"...
Dilettante's user avatar
  • 1
1 vote
1 answer
152 views

I'm new to tensorflow and LSTM models (and coding in general) and would really appreciate some help. I'm getting somewhere, but no matter what i try i seem to always get the same pattern in each ...
The Bunnet Hypothesis's user avatar
  • 21
2 votes
1 answer
98 views

I am going to run my own private merged mining pool compatible with RSK. I have installed ckpool on my server. ckpool is merged mining pool software written by C. I installed RSK and BTC node on my ...
Cergei's user avatar
  • 21
1 vote
1 answer
633 views

Is there a way to generate truly random bitcoin private key without relying on 3rd party libraries like ECPair nor tiny-secp256k1? As a recommended approach to generate secure random key is to use ...
Maksim Shamihulau's user avatar
  • 1,818
-3 votes
1 answer
1k views

I deployed bitcoin prune node on my own server and can't figure out how to get the private keys for my wallet. getwalletinfo doesn't return my wallet number, but dumpprivkey requires it: curl --data-...
James May's user avatar
  • 1,557
0 votes
1 answer
62 views

Now that SplFixedArray is not an Interator but rather an IteratorAggregate how do i change below code to work for PHP 8 <?php declare(strict_types=1); namespace BitWasp\Bitcoin\Transaction\...
Kidd Kidd's user avatar
  • 1
1 vote
0 answers
145 views

The problem I'm currently facing is that as far as I understand, for example, the com.google.bitcoin.core package belongs to is the same as the com.google.bitcoinj.core package but this one is not ...
RicardoPHP's user avatar
  • 604
1 vote
0 answers
937 views

I'm trying to build a transaction using bitcoinjs-lib. Here is my last transaction. https://blockstream.info/api/tx/91feea5f5c7b67b3e56c0f5d23d6da3065855c23b4cc7dded8efd8ff8065500f { "weight&...
Berry Blue's user avatar
  • 16.9k
0 votes
1 answer
660 views

Python Code : from bitcoinlib.wallets import Wallet # Set up sender and recipient wallet addresses sender_wallet = Wallet('L3ZoqFs7WYDUdCrzeNgY6ThKP8hEY2ozrpHgk4auDLpNbfeTaxyi') recipient_wallet = '...
Pranav Suchak's user avatar
  • 1
1 vote
0 answers
949 views

After sending a raw taproot transaction intended to inscribe an Ordinal, it is not showing as an inscription by the ord explorer. Transaction ...
Crypto Trekker's user avatar
  • 11
0 votes
2 answers
126 views

I have set-up bitcoin core on my windows and I have bitcoin-qt running. I am also using easybitcoin.php library to run rpc commands but when i try to run json rpc commands I dont get the results I ...
WamuiT's user avatar
  • 1
1 vote
1 answer
299 views

I am new to Ubuntu environment and I am trying to build the Bitcoin Core 0.15.0 executables (following chapter 3 of the book Mastering Bitcoin) through WSL on Windows 10. Everything seemed to be ...
adromo95's user avatar
  • 13
1 vote
0 answers
875 views

I am trying to sign a PSBT that is generated by magicEden (NFT marketplace) so I can purchase ordinals NFT from it using code, am using node js, and I was able to debug the site to find how they ...
Taha Daboussi's user avatar
  • 167
3 votes
0 answers
301 views

I've been having some problem connecting to an LND node running on Polar. I keep constantly getting this error: tonic::transport::Error(Transport, hyper::Error(Connect, Custom { kind: InvalidData, ...
lescuer's user avatar
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