Development & Technology

Got an idea for managing blockchain data better. As we know, Bitcoin's blockchain is getting bigger, and it's putting pressure on node storage. I…

Had a chat with achow101 at BTC++ Taiwan and thought I’d share this idea about Timelock-Recovery storage. Is it BIP-worthy? So, the motivation is…

What’s the deal with these Bitcoin descriptors from Core and Sparrow Wallet? I get that wpkh is about P2WPKH keys, and the end hash is a checksum but…

So in bitcoin 0.4, it started using private key encryption... but did any of the wallets like multibit or BitcoinJ (pre-0.4) utilize the same method?…

Thinking about setting up an Electrum server? Fulcrum is a solid choice for Windows users.

Saw a new BIP hit the dev mailing list. It’s about making Bitcoin quantum-resistant. I checked the links and found more info on bitcoin.foundation.…

Hey, just joined this place. I don’t really do this often but thought it was time. Lately, I've been getting into a lot of things, like crypto and…

Anyone know how they figure out the order for Secp256k1? I can't find much info on this or on other elliptic curves. I heard that the order (n) is…

Just saw this new game Bitcoin Block Wars. Free arcade shooter that uses live Bitcoin blockchain data. No downloads or wallets needed, just play in…

Just came across this challenge and thought some of you might find it interesting. Apparently, there's a bounty for anyone who can crack the seeds…

I’m kinda lost here and need some guidance... Been running Bitcoin Core 29.0 on my HP laptop with SSD, but the sync is painfully slow. Anyone else…

Lately, there's been a lot of buzz about quantum computing possibly threatening Bitcoin's security. A bunch of folks here believe that when it…

So, Bolt 12 is finally a thing now. Rusty Russell’s been working on it for ages, right? It’s supposed to fix some of the issues with Bolt 11. I heard…

Been stuck for days on this. I wanna create a QR code that Bitcoin wallets will easily recognize and link to a transaction with an on-chain message.…

So I came across something interesting. There's this opcode in tapscript, 0x7e, which is actually OP_SUCCESS. But back when Satoshi was coding, he…

Hey everyone, I’m trying to figure out how to add a donation widget on my WordPress site. I want it to allow people to enter their card details (like…

import olll import random import math import secp256k1 as ice G = ice.scalar_multiplication(1) N = ice.N # Secret key = x = (rns1 r1sn)-1 (snm1 s1mn…

Hey guys, I've been trying to understand Nostr and Bitcoin better. Since they both use secp256k1, is it possible to take a Nostr public key and…

I'm on Core Lightning v23.08 and trying to upgrade to v24.02.1, but I'm getting a failure when I run 'make'. The error says there's no module named…

Just started working on a lightweight database for public keys. Planning to generate billions of keys.

People often forget Bitcoin is a tech protocol, not just a price tag. We're super focused on J/TH, but the hardware supply chain is a massive weak…

So I found this crazy long number, kinda looks like a key or something, anyone know what this is?…

Anyone knows a good tool that can make a password dictionary? I need something that can mix up cases and layouts, like trying different keyboards.…

I'm struggling with myNode here. Got the model two, and thought it would be a breeze to set up. Apparently, it's not. Can’t join any public pools…

Thinking about downloading Bitcoin Core but I'm kinda confused. I saw that it needs 600 GB, but I don’t have that much space. What’s this pruning…