Gate News reports that on March 15, cryptocurrency payment service provider MoonPay announced the addition of native hardware signature support for its AI agent tool, MoonPay Agents. Under the new architecture, the AI agents can execute trading strategies on multiple major blockchains such as Ethereum and Solana, but all transactions still require user confirmation via Ledger devices. When the agent detects cross-chain profit opportunities, it can request the user to sign and bridge USDC from Ethereum to other networks, with the private key never leaving the hardware signing device.
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