Creator of bitcoin Len sass...

Len Sassaman was a brilliant cryptographer, whose groundbreaking work in privacy technology and network security made him a leader in the cypherpunk movement. Len maintained the Mixmaster anonymous remailer and was a core developer in encryption projects. His expertise in distributed systems and his strong belief in digital privacy made him a perfect early believer in Bitcoin. Some have speculated he is Satoshi Nakamoto.

Block 138725 in the Bitcoin blockchain contains an immutable tribute to Len Sassaman.

Block 293500329 in the Solana blockchain contains an immutable tribute to Len Sassaman.