Crypto payments firm MoonPay added Ledger hardware wallet signing to its command-line interface (CLI) wallet for MoonPay Agents, a move the company says addresses a security challenge introduced by autonomous crypto trading tools.

The new feature allows users to verify and sign every transaction generated by an AI agent using a Ledger hardware device, ensuring private keys never leave the hardware signer. MoonPay said the integration makes the CLI wallet the first agent-focused wallet to support Ledger’s secure signing through the company’s Device Management Kit.

Autonomous crypto agents are a growing category of tools designed to execute trading strategies, rebalance portfolios and move assets across chains without constant human…