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2026-08-04 17:00:39 UTC

EconomistaAustriaco on Nostr: 31 years ago, Bitcoin legend Hal Finney posted the first challenge to break 40-bit ...

31 years ago, Bitcoin legend Hal Finney posted the first challenge to break 40-bit encryption.

Adam Back and three others cracked it a month later.

Encryption is built upon the shoulders of giants performing decades of research and development.