AI Agents Can Now Access Wallets—Is It Safe?

• Coinbase’s x402 protocol gives AI agents wallet access
• Payments MCP bridges AI and crypto transactions
• Experts raise questions about safety and control

Coinbase has introduced a game-changing technology that could redefine how crypto transactions work. Through its Payments MCP framework and the x402 protocol, AI agents are now being equipped with the ability to access and control crypto wallets. This means autonomous agents—like AI chatbots or digital assistants—could soon initiate and manage crypto payments without human involvement.

While the idea sounds futuristic and efficient, it also opens up a host of important questions. How do we ensure that these AI systems act securely and in users’ best interests?

What Is the x402 Protocol?

The x402 protocol is Coinbase’s solution for enabling trusted communication between AI agents and crypto infrastructure. It acts as a secure channel, allowing AI agents to send and receive payments on behalf of users, under a set of programmable rules.

When combined with Payments MCP, AI can initiate payments, monitor balances, and even interact with decentralized apps (dApps) directly from the wallet. In theory, this makes crypto payments seamless, especially in machine-to-machine scenarios—think autonomous vehicles paying for tolls or services.

But with great power comes great responsibility—and risk.

Safety Concerns and Questions

The most pressing concern is security. If an AI agent is compromised, so is your wallet. Even with authentication layers, the idea of a bot holding spending power raises alarms for many users and developers.

Privacy is another issue. Will these agents store transaction history? Can they be manipulated into leaking wallet data or signing malicious transactions?

Industry voices are calling for strong oversight, including audit trails, permission settings, and AI alignment checks before broader adoption.