Google has launched an open-source protocol that allows AI applications to send and receive payments, including transactions using stablecoins—highlighting the increasingly important role that cryptocurrencies pegged to the dollar play in the emerging AI-driven network.
According to Fortune magazine, the initiative is being rolled out in collaboration with Salesforce, American Express, and more than 60 other companies. The stablecoin functionality was developed in partnership with the cryptocurrency exchange Coinbase, with the Ethereum Foundation also involved in the project's consulting.
James Tromans, head of Google Cloud Web3, confirmed the launch, telling Fortune that the protocol is designed to support "existing payment track capabilities as well as upcoming capabilities, such as stablecoins."
Coinbase engineer Erik Reppel stated that the exchange is working with Google to make its payment system interoperable. "We are all trying to figure out how to enable AI to transfer value to each other," he told Fortune.
The payment system is built on Google's Agent2Agent protocol launched in April, which provides a framework for AI agents to exchange information and interact more efficiently. It was developed with the support of over 50 technology partners, including PayPal, Salesforce, and SAP, as well as consulting firms like Deloitte, McKinsey, and PwC.
Tuesday's announcement comes amid a growing trend of connecting AI agents—autonomous software programs capable of making decisions without human input—with decentralized finance (DeFi) protocols. This integration can streamline transactions, improve user interactions, and expand real-world payment use cases.
Stablecoins may prove to be the most influential cryptocurrency use case for AI agents, emerging just as both technologies gain broader mainstream adoption. These dollar-pegged tokens recently received regulatory momentum in the U.S. through the GENIUS Act.
Mike Novogratz, CEO of Galaxy Digital, recently emphasized the importance of stablecoins in this transition, predicting that AI agents will ultimately become "the largest users of stablecoins."
The Ethereum Foundation has also highlighted the potential of stablecoins in driving AI-driven applications.
In August, the foundation pointed out the dormant HTTP 402 status code—indicating "Payment Required"—and noted that when paired with Ethereum Improvement Proposal (EIP) 3009, it could enable AI agents to automatically execute stablecoin transfers.
At that time, the foundation stated, "Autonomous agents are about to become the largest users of Ethereum."
Related: Ethereum Foundation establishes new research team focused on AI
Original article: “Google Launches Open Source Protocol Supporting Stablecoin AI Payments”
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