Our CHIP-USD, OPG-USD, and SIGN-USD trading pairs are in full-trading mode on Coinbase Exchange and Coinbase Advanced. Limit, market and stop orders are all now available.
Posted Apr 21, 2026 - 11:58 PDT
Update
Our SIGN-USD trading pair will now enter limit-only mode on Coinbase Exchange and Coinbase Advanced. Limit orders can be placed and canceled, and matches may occur. Market orders cannot be submitted.
Posted Apr 21, 2026 - 08:30 PDT
Update
Our SIGN-USD trading pair will now enter auction mode. Customers can post limit orders and view the resulting indicative open price. The books will be in auction mode for a minimum of 10 minutes during which no matches will occur. Upon completion of the auction, crossed orders will be matched at the opening price.
Posted Apr 21, 2026 - 08:15 PDT
Update
Spot trading for Sign (SIGN) will go live on 21 April 2026. The opening of our SIGN-USD trading pair will begin later today if liquidity conditions are met, in regions where trading is supported.
The Base network contract address for Sign (SIGN) is 0x868fced65edbf0056c4163515dd840e9f287a4c3. Do not send this asset over other networks or your funds may be lost.
The Ethereum network (ERC-20) contract address for Sign (SIGN) is 0x868fced65edbf0056c4163515dd840e9f287a4c3. Do not send this asset over other networks or your funds may be lost.
Posted Apr 21, 2026 - 08:13 PDT
Update
Our CHECK-USD trading pair is in full-trading mode on Coinbase Exchange and Coinbase Advanced. Limit, market and stop orders are all now available.
Posted Apr 13, 2026 - 13:00 PDT
Update
Checkmate (CHECK) is now live on coinbase․com and in the Coinbase app. Coinbase customers can log in to buy, sell, convert, send, receive or store these assets.
Posted Apr 02, 2026 - 09:22 PDT
Update
Our CHECK-USD trading pair will now enter auction mode. Customers can post limit orders and view the resulting indicative open price. The books will be in auction mode for a minimum of 10 minutes during which no matches will occur. Upon completion of the auction, crossed orders will be matched at the opening price.
Posted Apr 02, 2026 - 09:03 PDT
Monitoring
Spot trading for Checkmate (CHECK) and Sign (SIGN) will go live on 2 April 2026. The opening of our CHECK-USD and SIGN-USD trading pairs will begin on or after 9AM PT, if liquidity conditions are met, in regions where trading is supported. Checkmate (CHECK) and Sign (SIGN) will be available on coinbase․com, in the Coinbase app, and Coinbase Advanced. Institutions can access Checkmate (CHECK) and Sign (SIGN) directly via Coinbase Exchange. The Base network contract address for Checkmate (CHECK) is 0x9126236476efba9ad8ab77855c60eb5bf37586eb. Do not send this asset over other networks or your funds may be lost. The Base network contract address for Sign (SIGN) is 0x868fced65edbf0056c4163515dd840e9f287a4c3. Do not send this asset over other networks or your funds may be lost.