@generous 10 March 2021 more from that month

Coinbase Pro Heralds Three Altcoins "Transferring Polygon (MATIC), Skale (SKL) and Sushiswap (SUSHI) to Coinbase Pro account started as of March 9. The announcement stated that only the SUSHI token will not be supported in New York state. If sufficient liquidity is provided, Coinbase users will be able to make transactions on March 11 at 20:00 at the earliest."