Wallets & Security

I just found my dad's old Blockchain.com wallet from 2016. When I tried to send 1 BTC to Coinbase, it sent 5 instead. 1 BTC went to Coinbase, but 4…

Hey, I stumbled on this term "digital signature" while doing some digging. Can anyone break it down for me? What's it all about and how does it fit…

Hey, folks. Just downloaded 600 GB of Bitcoin Core. So here's where I stand (I included a screenshot). Am I a node now? Do I need to tweak any…

Hey everyone I just updated some stuff and when I fired up Bitcoin Knots, it started re-downloading the full blockchain. I’ve got it all saved on an…

hey, check out line 103 in src/bitcoin-wallet.cpp in the latest branch: std::unique_ptr<interfaces::Init> init = interfaces::MakeWalletInit(argc,…

Hey everyone, I’m pretty new to crypto stuff. My friend thinks he bought some Bitcoin back in 2010 and kinda forgot about it. With how Bitcoin is…

So I tried to broadcast a signed transaction from an old Electrum version (like 1.7x). I check it on coinb.in and it's valid. But when I try to…

I was checking out OP_Return code and managed to send a few transactions with my Bitcoin Core and Electrum. Now I wanna find a mobile wallet to do…

I just tried to move some BTC about an hour ago. I thought I was sending.0093776 BTC, but turns out I entered.00938 mBTC instead. Didn't even realize…

Check out my tool here. It's got some cool features like a 3-layer setup: decoy, hidden, and panic modes. Even uses client-side encryption and stores…

Lost a.dat wallet with 1.54BTC. Found the file after scanning my old laptop from 2014. But it’s damaged... Anyone know how to recover it?

I've been using the Bitcoin Core wallet for years, and this 'fee estimation is not currently possible' warning used to show up rarely. Lately, it’s…

Hey everyone, I really need some help. My transaction's been stuck for more than 2 weeks because I set the fee too low. Is there any miner out there…

struggling to follow this thread lol, got to use a translator...

Hey all. Need some help here. I can't seem to figure out how to install the blockchain on my external HDD. I'm running Zorin Linux (which is…

A while back I found some old paper wallets from 2013-2015 in a fireproof bag. But now I can’t access them because I lost the recovery seeds and…

Hey guys, I'm just starting with Bitcoin and wanna build it on my own machine. I checked the docs and saw that I need newer versions of some tools…

Hey everyone. I’m working on a website for a game where players can use Bitcoin to compete against each other. Problem is, I have zero clue how to…

I'm about to start an IBD with assumevalid set to the latest block. I get there are risks, like getting fed a false history or whatever. But if I'm…

So let's say I gotta set up Sparrow on a new machine. Can I just use the seed phrases from my co-signers to rebuild the multisig, or do I need the…

Came across this cool Python project for SLIP-39 that helps users generate and back up mnemonics compatible with Trezor wallets. You can even turn…

Hey guys, I’m Val and I’ve been struggling with something from way back... In 2016, I bought 10 euros worth of bitcoin and stored it in a multisig…

Figuratively speaking, obviously. I mean, I’m a hacker, but hacking Bitcoin? No way. This post feels kinda like a Bitcoin exploit though... just a…

I just saw this crazy video on YouTube about an XRP holder who got hacked for like 1.21 million XRP. That’s about 3 million bucks. He said it was…

These Bitcoin fees are insane right now. Anyone have a clue when they might drop? I'm using Exodus, and sending BTC costs me $15-30! This reminds me…