#bitcoin

4 bookmarks tagged with #bitcoin · RSS Feed · ← All Tags

Bitcoin forensics: How crypto became law enforcement's tool - Boing Boing

https://boingboing.net/2025/11/13/bitcoin-isnt-anonymous-investigators-can-trace-every-transaction-on-the-blockchain.html
In 2011, Wired reporter Andy Greenberg thought Bitcoin could keep users completely anonymous. But at the 2025 Bitwarden Open Source Security Summit, he said, "I slowly realized I was totally wrong about Bitcoin. It was actually the opposite of untraceable."

Ken Shirriff's blog: Mining Bitcoin with pencil and paper: 0.67 hashes per day

http://www.righto.com/2014/09/mining-bitcoin-with-pencil-and-paper.html
I decided to see how practical it would be to mine Bitcoin with pencil and paper. It turns out that the SHA-256 algorithm used for mining is pretty simple and can in fact be done by hand. Not surprisingly, the process is extremely slow compared to hardware mining and is entirely impractical. But performing the algorithm manually is a good way to understand exactly how it works.