USD1's circulating supply has surged by 50% over the past four months, reaching approximately 4.76 billion, according to Ember Monitoring. This increase places USD1 third in rank behind USDT, USDC, and DAI, surpassing USDe and PYUSD. The growth was driven by WLFI's subsidies via WLFI tokens. Concurrently, USD1's daily trading volume has skyrocketed from $200 million to $2 billion, marking a tenfold increase.