Polymarket's new collateral token pUSD is now live pUSD is an ERC-20 token on Polygon, backed 1:1 by USDC After connecting to Polymarket, users will be prompted to migrate their USDC.e balance to pUSD The migration is ongoing, with 234 million pUSD already issued and over 210,000 holding addresses As most users complete the migration, the total supply and holdings of pUSD in the future can likely be seen as the total user funds locked on Polymarket