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Crypto Payments Go Autonomous As AI Agents Execute 176M Transactions
Keyrock report reveals 176M AI agent transactions settled via USDC, making up 98% of machine payments. Concentration risk flagged as systemic threat.
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The machine-payment ecosystem now runs almost entirely on a single stablecoin. More than 98% of all settlements made by AI agents in the past year were processed in Circle's USDC, according to a new report from crypto investment firm Keyrock. The concentration, totaling 176 million transactions, carries risks the industry has largely ignored, the researchers warned.
The USDC Monopoly on Machine Settlements
AI agents executing payments autonomously is not a future scenario: it is the present. Over the past twelve months, bots and agent frameworks have settled 176 million transactions, and Circle's stablecoin handled nearly all of them. USDC has become the default settlement layer for machine-to-machine payments because of its regulatory standing, deep liquidity on Ethereum and Solana, and integration with major custody providers.
Yet that dominance is open to a single point of failure. If Circle's reserves faced a freeze, a smart-contract exploit, or a sudden depeg event, the entire machine-payment sector would halt. The industry has focused on expanding use cases but has not diversified settlement rails.