Coinbase will launch CHECK and SIGN spot trading on April 2
According to official news, Coinbase exchange announced that it will officially open spot trading for CHECK (Checkmate) and SIGN (Sign) on April 2, 2026.
Specifically, the trading pairs CHECK-USD and SIGN-USD will launch at or after 9 AM Pacific Time, with the actual opening time depending on whether liquidity conditions are met, and it will only be open to regions that support the relevant trading services.








