Photo by Austin Distel on Unsplash

Proving I Know Alice, Bob, Carol and Dave

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We release too much of our information to others. Every time we enter our password into a system, we are revealing it for others to see. So, why can’t we just prove some knowledge of our secrets, in order that we know our secret? Well, this is the objective of Zero-Knowledge Proofs (ZKPs). With Interactive ZKPs, Alice sends a challenge to Bob, and Bob produces a ZKP for the secret. In a Non-interactive ZKP, Bob…

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Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

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