17th Anniversary of Hal Finney's First Bitcoin Tweet Hal Finney's widow shared a post on her X account, marking the 17th anniversary of Hal Finney (@Halfin) publishing his first tweet mentioning Bitcoin: 'Running bitcoin.' She also announced the launch of the fifth 'Running Bitcoin Challenge' event. Hal Finney was the recipient of the first Bitcoin transaction from Satoshi Nakamoto and played a key role in refining and running early versions of Bitcoin. He passed away due to amyotrophic lateral sclerosis (ALS).