Person
Hal Finney
∗May 4, 1956 †August 28, 2014
Cypherpunk and early Bitcoin developer
Also known as Harold Thomas Finney II
About
American cryptographer, cypherpunk, and PGP developer. Created the first reusable proof-of-work system (2004) and received the first Bitcoin transaction from Satoshi Nakamoto in January 2009.