Leonard Harris Sassaman
1980-04-09 — 2011-07-03
"A cypherpunk who dedicated his life to privacy."
# Len Sassaman
Len was a true cypherpunk, privacy advocate, and maintainer of the Mixmaster anonymous remailer code. He was a PhD student at KU Leuven in Belgium, researching privacy enhancing technologies.
His memorial is famously embedded in the Bitcoin blockchain transaction 930a2114c972248550c597a37c7d52cc61a8c01e329bbb78c89ce24349479624.
BITCOIN ANCHOR PROOF
930a2114c972248550c597a37c7d52cc61a8c01e329bbb78c89ce24349479624
This memorial is cryptographically signed and anchored to the Bitcoin blockchain.
Exported: 2026-02-04T21:55:15.038Z
This memorial is cryptographically signed and anchored to the Bitcoin blockchain.
Exported: 2026-02-04T21:55:15.038Z