About Zooko Wilcox-O'Hearn
Born 1974. Zooko Wilcox-O'Hearn is an American engineer and computer scientist.
Zooko Wilcox-O'Hearn (born Bryce Wilcox; 13 May 1974 in Phoenix, Arizona), is an American Colorado-based computer security specialist, self-proclaimed cypherpunk, and ex-CEO of the Electric Coin Company (ECC), a for-profit company leading the development of Zcash.
Biography He is known for the Tahoe Least-Authority File Store (or Tahoe-LAFS), a secure, decentralized, fault-tolerant filesystem released under GPL and the TGPPL licenses. He is the creator of the Transitive Grace Period Public Licence (TGPPL).
Wilcox-O'Hearn is the designer of multiple network protocols that incorporate concepts such as self-contained economies and secure reputation systems. He is a member of the development team of ZRTP and the BLAKE2 cryptographic hash function.
Zooko's triangle is named after Wilcox-O'Hearn, who described the schema that relates three desirable properties of identifiers in 2001.
Wilcox-O'Hearn was founder and CEO of Least Authority Enterprises in Boulder, Colorado
Zooko was a developer of the MojoNation P2P system and lead developer of the follow-on Mnet network, and a developer at SimpleGeo.
Wilcox-O'Hearn worked on the first cryptocurrency, DigiCash, with David Chaum in 1996. In January 2009, Wilcox was among the first people to publicly write about Bitcoin, and Bitcoin creator Satoshi Nakamoto subsequently linked to Wilcox's blog post from the Bitcoin project's website. Wilcox later commissioned the Rand Corporation to study whether anonymous coins were disproportionately represented in criminal transactions; the study found they were not.
Additionally Wilcox-O'Hearn was one of the co-creators of Blake3.
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Important facts
People in Zooko Wilcox-O'Hearn's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Zooko Wilcox-O'Hearn's
Frequently asked questions
Who is Zooko Wilcox-O'Hearn?
Cypherpunk
When was Zooko Wilcox-O'Hearn born?
Zooko Wilcox-O'Hearn was born on 13 May 1974 in Phoenix.
What is Zooko Wilcox-O'Hearn's occupation?
Zooko Wilcox-O'Hearn is an engineer and computer scientist.
What nationality is Zooko Wilcox-O'Hearn?
Zooko Wilcox-O'Hearn is American.
Sources & further reading
· Wikipedia: Zooko Wilcox-O'Hearn
· DBpedia: Zooko Wilcox-O'Hearn
Cite this page
APA: Biography.guide. (2026). Zooko Wilcox-O'Hearn. https://biography.guide/zooko-wilcox-o-hearn/
MLA: "Zooko Wilcox-O'Hearn." Biography.guide, https://biography.guide/zooko-wilcox-o-hearn/.
Chicago: "Zooko Wilcox-O'Hearn." Biography.guide. https://biography.guide/zooko-wilcox-o-hearn/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
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