For those who don&#x27;t follow these things, Chaum is known as being both brilliant and... well, not so brilliant. A famous example of this: <a href="https:&#x2F;&#x2F;cryptome.org&#x2F;jya&#x2F;digicrash.htm" rel="nofollow">https:&#x2F;&#x2F;cryptome.org&#x2F;jya&#x2F;digicrash.htm</a>