The controversial stablecoin Tether generated $250 million worth of new USDT tokens on May 18, according to Omni Explorer.
Tether is the company that issues the so-called stablecoins USDT, which it claims are backed at 1:1 ratio by US dollars. Tether has been criticized for its lack of transparency after it broke ties with auditing firm Friedman LLP before an official audit could be conducted.