Cryptocurrency payment cards are leading the Web3 payment revolution, and the following are several products worth paying attention to in the current market: 1. OKX Pay & OKX Card OKX Pay is an unmanaged payment application integrated into the OKX App, supporting USDT and USDC payments, and providing a 5% stablecoin interest rate. OKX also plans to collaborate with Mastercard to launch the OKX Card, further expanding payment scenarios. 2. MetaMask Metal Card