Hal Finney - Everything2.com
Hal Finney Fri Dec 18 2020 at 7:50:03 Harold Thomas Finney II was a developer for the PGP corporation and was the second developer hired after Phil Zimmermann. Besides his work on PGP, he also contributed on bitcoin and is known for receiving the first bitcoin transaction from the creator of it, Satoshi Nakamoto back in January 2009. In 2004, Hal created the first reusable proof of work system before bitcoin, but did not achieve the solution to the double-spend problem. He lived in the same town that Dorian Nakamoto lived, making him a suspect of being Satoshi. Although, he denied of being hi...