Zooko Wilcox-O'Hearn (born Bryce Wilcox May 13, 1974 in Phoenix, Arizona), is an American Colorado-based computer security specialist.
He is known for the Tahoe-LAFS|Tahoe Least-Authority File Store (or Tahoe-LAFS), a secure, decentralized, fault-tolerant filesystem released under GNU General Public License|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.
He is founder and CEO of Least Authority Enterprises in Boulder, Colorado.
He was a developer of the MojoNation P2P system and lead developer of the follow-on Mnet network, and a developer at SimpleGeo.
Furthermore, Zooko is part of a founding team that recently launched Zcash.