Notable cypherpunks

Cypherpunks list participants included many notable computer industry figures. Most were list regulars, although not all would call themselves “cypherpunks”. The following is a list of noteworthy cypherpunks and their achievements:

  • Jacob AppelbaumTor developer, political advocate
  • Julian Assange: WikiLeaks founder, deniable cryptography inventor, journalist; co-author of Underground; author of Cypherpunks: Freedom and the Future of the Internet; member of the International Subversives. Assange has stated that he joined the list in late 1993 or early 1994.An archive of his cypherpunks mailing list posts is at the Mailing List Archives.
  • Derek Atkins: computer scientist, computer security expert, and one of the people who factored RSA-129
  • Adam Back: inventor of Hashcash and of NNTP-based Eternity networks; co-founder of Blockstream
  • Jim Bell: author of Assassination Politics’
  • Steven Bellovin: Bell Labs researcher; later Columbia professor; Chief Technologist for the US Federal Trade Commission in 2012
  • Matt Blaze: Bell Labs researcher; later professor at University of Pennsylvania; found flaws in the Clipper Chip
  • Eric Blossom: designer of the Starium cryptographically secured mobile phone; founder of the GNU Radio project
  • Jon Callas: technical lead on OpenPGP specification; co-founder and Chief Technical Officer of PGP Corporation; co-founder with Philip Zimmermann of Silent Circle
  • Bram Cohen: creator of BitTorrent
  • Lance Cottrell: original author of the Mixmaster Remailer software; founder of Anonymizer
  • Matt Curtin: founder of Interhack Corporation; first faculty advisor of the Ohio State University Open Source Club; lecturer at Ohio State University
  • Hugh Daniel (deceased): former Sun Microsystems employee; manager of the FreeS/WAN project (an early and important freeware IPsec implementation)
  • Suelette Dreyfus: deniable cryptography co-inventor, journalist, co-author of Underground
  • Hal Finney (deceased): cryptographer; main author of PGP 2.0 and the core crypto libraries of later versions of PGP; designer of RPOW
  • Eva Galperin: malware researcher and security advocate; Electronic Frontier Foundation activist
  • John Gilmore*: Sun Microsystems’ fifth employee; co-founder of the Cypherpunks and the Electronic Frontier Foundation; project leader for FreeS/WAN
  • Mike Godwin: Electronic Frontier Foundation lawyer; electronic rights advocate
  • Ian Goldberg*: professor at University of Waterloo; designer of the off-the-record messaging protocol
  • Rop Gonggrijp: founder of XS4ALL; co-creator of the Cryptophone
  • Sean Hastings: founding CEO of Havenco; co-author of the book God Wants You Dead
  • Johan Helsingius: creator and operator of Penet remailer
  • Nadia Heninger: assistant professor at University of Pennsylvania; security researcher
  • Robert Hettinga: founder of the International Conference on Financial Cryptography; originator of the idea of Financial cryptography as an applied subset of cryptography
  • Marc Horowitz: author of the first PGP key server
  • Tim Hudson: co-author of SSLeay, the precursor to OpenSSL
  • Eric Hughes: founding member of Cypherpunks; author of A Cypherpunk’s Manifesto
  • Peter Junger (deceased): law professor at Case Western Reserve University
  • Werner Koch: author of GNU Privacy Guard
  • Paul Kocher: president of Cryptography Research, Inc.; co-author of the SSL 3.0 protocol
  • Ryan Lackey: co-founder of HavenCo, the world’s first data haven
  • Brian LaMacchia: designer of XKMS; research head at Microsoft Research
  • Ben Laurie: founder of The Bunker, core OpenSSL team member, Google engineer.
  • Moxie Marlinspike: founder of Open Whisper Systems (developer of Signal); author of the Convergence SSL authenticity system, co-author of the Signal Protocol and the Double Ratchet Algorithm (with Trevor Perrin).
  • Morgan Marquis-Boire: researcher, security engineer, and privacy activist
  • Timothy C. May (deceased): former Assistant Chief Scientist at Intel; author of A Crypto Anarchist Manifesto and the Cyphernomicon; a founding member of the Cypherpunks mailing list
  • Jude Milhon (deceased; aka “St. Jude”): a founding member of the Cypherpunks mailing list, credited with naming the group; co-creator of Mondo 2000 magazine
  • Vincent Moscaritolo: founder of Mac Crypto Workshop; Principal Cryptographic Engineer for PGP Corporation; co-founder of Silent Circle and 4th-A Technologies, LLC
  • Sameer Parekh: former CEO of C2Net and co-founder of the CryptoRights Foundation human rights non-profit
  • Vipul Ved Prakash: co-founder of Sense/Net; author of Vipul’s Razor; founder of Cloudmark
  • Runa Sandvik: Tor developer, political advocate
  • Len Sassaman (deceased): maintainer of the Mixmaster Remailer software; researcher at Katholieke Universiteit Leuven; biopunk
  • Bruce Schneier*: well-known security author; founder of Counterpane
  • Nick Szabo: inventor of smart contracts; designer of bit gold, a precursor to Bitcoin
  • Zooko Wilcox-O’Hearn: DigiCash and MojoNation developer; founder of Zcash; co-designer of Tahoe-LAFS
  • Jillian C. York: Director of International Freedom of Expression at the Electronic Frontier Foundation (EFF)
  • John Young: anti-secrecy activist and co-founder of Cryptome
  • Philip Zimmermann: original creator of PGP v1.0 (1991); co-founder of PGP Inc. (1996); co-founder with Jon Callas of Silent Circle

* indicates someone mentioned in the acknowledgements of Stephenson’s Cryptonomicon.