He is also the co-founder of CodeCon and organizer of the San Francisco Bay Area P2P-hackers meeting, was the co-author of Codeville and creator of the Chia cryptocurrency which implements the proof of space-time consensus algorithm.

Cohen grew up in the Upper West Side of Manhattan, New York City, as the son of a teacher and computer scientist.

MojoNation allowed people to break up confidential files into encrypted chunks and distribute those pieces on computers also running the software.

[2] Regardless, he is outspoken in his belief that the current media business was doomed to being outmoded despite the RIAA and MPAA's legal or technical tactics, such as digital rights management.

In late 2003, Cohen had a short career at Valve, working on Steam, their digital distribution system introduced for Half-Life 2.

[citation needed] By 2004, he had left Valve and formed BitTorrent, Inc. with his brother Ross Cohen and business partner Ashwin Navin.

Chia is intended to avoid the waste of energy involved in proof-of-work-based cryptocurrencies such as Bitcoin,[7] and the vulnerability to state actors of proof-of-stake systems.

Cohen maintains a blog[12] where he frequently discusses trust metrics with software developer Raph Levien, as well as money systems, games of skill, and other math-related topics.