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What Happens If I Don’t Trust The Dealer in a Card Game: A Bit of Mental Poker in a Distributed World

Prof Bill Buchanan OBE

Published in

ASecuritySite: When Bob Met Alice

7 min readMar 9

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Okay. You have 52 cards, and you have five people in the game ( Alice, Bob, Carol, Dave and Eve), and they are all remote and none of them trusts any dealer. So how can you create a game, where we shuffle the cards, and where each player will get the same card dealt as each other? One method is defined within the…

Prof Bill Buchanan OBE

Written by Prof Bill Buchanan OBE

Editor for

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.

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