https://github.com/centrehq/centre-tokens and https://github.com/paxosglobal/pax-contracts give you some idea. There is obviously an external system minting and burning these tokens.
https://github.com/centrehq/centre-tokens and https://github.com/paxosglobal/pax-contracts give you some idea. There is obviously an external system minting and burning these tokens.