“Dai would become best known for an idea he casually announced in November 1998… ‘I hope this is a step toward making crypto-anarchy a practical as well as theoretical possibility.’ He called his proposal B-Money.” – Aaron Van Wirdum

Be sure to check out Aaron’s extensive work and the always excellent journalism from the Bitcoin Magazine team:
https://bitcoinmagazine.com/articles/genesis-files-if-bitcoin-had-first-draft-wei-dais-b-money-was-it/