Ethereum network uses the name Wei to refer to the smallest unit of Ether

[professor rat]

OG cypherpunk Wei Dai

https://cryptonews.net/news/other/4781611/

Peer-to-Peer Transactions

For b-money to function without the need for a government’s control, it had to apply the use of P2P transactions. Dai even explained that it was the only way that they would eradicate the need for the government to oversee the transactions.