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Hal Finney (computer scientist)

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Hal Finney (computer scientist)

Harold Thomas Finney II (May 4, 1956 – August 28, 2014) was an American software developer. In his early career, he was credited as lead developer on several console games. He later worked for PGP Corporation. He was an early Bitcoin contributor, and received the first Bitcoin transaction from the currency's creator Satoshi Nakamoto.

Finney was born in Coalinga, California, on May 4, 1956, to Virginia and Harold Thomas Finney. His father was a petroleum engineer. They later moved to Arcadia, California, where Harold Finney II graduated from Arcadia High School in 1974. Afterward, Finney attended the California Institute of Technology, graduating with a BS in electrical engineering in 1979.

After graduation from Caltech, he went to work in the computer gaming field for a company that developed video games such as Adventures of Tron, Armor Ambush, Astrosmash and Space Attack. He later went to work for the PGP Corporation where he remained until his retirement in 2011.

Finney was a cryptographic activist. During the early 1990s, in addition to being a regular poster on the cypherpunks listserv, Finney ran two anonymous remailers. Further cryptographic activism included running a contest to break the export-grade encryption Netscape used, which succeeded in doing so.

Finney was involved in the development of the first anonymous remailer, a tool for sending emails with the sender's identity concealed. He was one of the early contributors to this privacy-enhancing technology, which played a significant role in the cypherpunk movement and the broader field of online privacy. This work further demonstrated Finney's commitment to privacy and his significant contributions to the development of privacy-enhancing technologies.

In 2004, Finney created the first reusable proof-of-work system before Bitcoin. In January 2009, Finney was the Bitcoin network's first transaction recipient.

Finney wrote on the Cypherpunks Mailing List in 1992,

It seemed so obvious to me: "Here we are faced with the problems of loss of privacy, creeping computerization, massive databases, more centralization - and [David] Chaum offers a completely different direction to go in, one which puts power into the hands of individuals rather than governments and corporations. The computer can be used as a tool to liberate and protect people, rather than to control them."

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