PANews reported on March 15 that, according to PRNewswire, crypto payment service provider MoonPay announced the introduction of native hardware signature support for its AI agent tool, MoonPay Agents. Under the new architecture, the AI ​​agent can execute transaction strategies on multiple mainstream blockchains such as Ethereum and Solana. However, all transactions still require confirmation from the user through a Ledger device. When the agent discovers a cross-chain profit opportunity, it can request the user to sign to bridge USDC from Ethereum to other networks to complete the operation, and the private key will never leave the hardware signature device.