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 ...

This is the IBM 1401 reproduced in 3D. It is said to be one of the world's first mass-produced computers, with 12,000 units sold to companies around the world. The IBM 1401 was a computer developed ...

https://siris-libraries.si.edu/ipac20/ipac.jsp?&profile=liball&source=~!silibraries&uri=full=3100001~!34988~!0#focus ...