Coinbase CEO Brian Armstrong in a fresh post issued a prediction that the volume of commerce between autonomous AI agents will surpass the scale of the human economy. The main insight is not that this is distant futurism, but that Amazon, Google, and Circle are urgently deploying payment infrastructure for AI agents that do not need passports, cards, or bank accounts.
The key provider here is precisely Coinbase, or more specifically the exchange-backed blockchain network Base.
The agentic economy will be larger than the human economy.
And it's happening on Base. https://t.co/HuIx1whFPp
According to Armstrong's earlier statements, cryptocurrency is the only viable form of money for machines. But for this economy to grow, AI agents need a service discovery layer. To address this, Coinbase launched the marketplace Agentic.market and the open payment protocol x402.
The rise of machine money
Corporate integration of the x402 standard is already advancing on all fronts. Amazon Web Services automated billing, allowing third-party AI agents to autonomously purchase additional cloud capacity through microtransactions. USDC issuer Circle recorded more than $100 million in volume in just four months through its specialized Agent Stack solution.
Total payment volume with every x402 transaction, Source: agentic.market
Competitors are not falling behind. Google Cloud and Solana launched the Pay.sh marketplace, where AI agents, including Google Gemini, independently discover, test, and pay for APIs using stablecoins without registrations.
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Data from Artemis and internal platforms shows the real scale of the emerging sector.
- Real volume: The x402 protocol has already processed more than 169 million transactions worth $50,338,035.60.
- Coinbase dominance: The layer-2 network Base controls 82.1% of all agent payment volume. It supports 250,000 daily active AI agents and infrastructure growth of 400% year over year.
- Machine preference: Algorithms turned out to be conservative, with 99.8% of their transactions conducted strictly in the USDC stablecoin.
Armstrong's statements, and his latest prediction in particular, highlight a transformation in the nature of the internet itself. Replacing traditional B2B and B2C models is an economy where one AI script purchases a microservice from another AI script for a fraction of a cent, executing thousands of such operations per second.
Coinbase is positioning itself as the core of that system.
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