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Cypherpunk · anonymity researcherCypherpunk movement✓ Verified
Len Sassaman
Maintained the remailers that made anonymity practical.
Known as Len SassamanActive Jan 1999 – Jul 2011
Speculation, not fact — Occasionally speculated to be Satoshi Nakamoto. There is no proof — treat it as speculation.
Why they matter
Sassaman's work on anonymity systems was core to the cypherpunk toolkit. The Satoshi speculation is unproven, but his place in that community is real.
Profile
Cryptographer and privacy advocate who maintained the Mixmaster anonymous remailer network and worked on PGP. A protégé of the cypherpunk scene, he died in 2011 — and is one of the figures periodically speculated to have been Satoshi.