币界网报道:Crypto exchange Coinbase is planning to launch a credit card that offers bitcoin BTC cashback, the company said on Thursday.The Coinbase One Card, issued in partnership with American Express, includes perks such as earning 4% in BTC after purchases, boosted rewards on USDC stablecoin holdings and higher staking rewards and transaction credits on Base, the Ethereum layer-2 network developed by the exchange, according to the card's website. The card's rollout is expected this fall.The move comes as more crypto platforms and exchanges are rolling out payment cards to enable users to spend their blockchain-based token stash on everyday purchases