Mining Bitcoin with pencil and paper: 0.67 hashes per day

Computer history, restoring vintage computers, IC reverse engineering, and whatever 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 algo

[o_mega]

“0.67 hashes per day”