In Memory of Horst Feistel

How IBM Made The World A Whole Lot More Secure

Prof Bill Buchanan OBE FRSE
4 min readMar 15, 2020

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IBM is a renowned world leader in cryptography, and is developing an amazing platform for trust with their Hyperledger project. The roots of their lead can be traced back to the creation of the Feistel cipher and which implements a symmetric key method.

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Prof Bill Buchanan OBE FRSE

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.