Tether CEO Paolo Ardoino announced that Rumble Wallet, currently supporting Bitcoin, USDT, and XAUT, will soon include the USAT stablecoin aimed at the U.S. market. The wallet plans to integrate the Lightning Network to enhance transaction efficiency. Additionally, Rumble Wallet will utilize account abstraction and Paymaster mechanisms to reduce reliance on on-chain gas tokens, effectively concealing multi-chain complexities from users.