You know how geeky the cryptocurrency community is, when this is the trending hashtag on Twitter. This long sequence is a ‘block hash’ — a cryptographic number that is produced when new transactions ...

A digital fingerprint of the transactions stored in a block in a crypto blockchain. Block hashes also link blocks together. See cryptographic hash function and blockchain. THIS DEFINITION IS FOR ...

The average block size of the Bitcoin network peaked at 1.341 MB on May 2, with the mining hash rate approaching a new all-time high. The mean block size of the Bitcoin network peaked this month, with ...

Proof of work validates transactions on a blockchain by miners solving hash puzzles. Bitcoin uses proof of work, rewarding miners with coins for adding blocks. Proof of stake offers a less ...

Could an IBM mainframe from the 1960s mine Bitcoin? The idea seemed crazy, so I decided to find out. I implemented the Bitcoin hash algorithm in assembly code for the IBM 1401 and tested it on a ...