Author: Zhou Hang

In the past decade, if you mentioned“cryptocurrency”From the emergence of Bitcoin (BTC) to the smart contract revolution of Ethereum (ETH), and then to the noise of various public chains and stablecoins, this world has been noisy for more than a decade. Countless brilliant minds and massive amounts of capital have poured in, trying to construct a decentralized utopia.

But in real life, we still feel confused: besides being a highly volatile speculative item, aside from buying low and selling high on exchanges, what exactly is the use of cryptocurrency? When we go downstairs to buy a cup of coffee, we still swipe WeChat or Alipay; for international remittances, we still have to go through tedious bank wire transfers.

It claims to disrupt finance, yet seems unable to even handle the most basicpayment.

Until today, with the arrival of the A2A () smart economy, this confusion finally has an answer:“”

“.” His intention was to create a daily payment tool.

The reason why cryptocurrency cannot become a currency used in daily life is due to three insurmountable real-world obstacles:

good money is hoardedSecond is the user-unfriendly experience. Humans are beings that hate trouble extremely. Cryptocurrency payments require you to properly secure a long string of garbled private keys; once lost, assets are instantly wiped out, and no customer service can help you retrieve them. You also need to understand what Gas fees are and endure the lengthy wait during network congestion.

asset saleHumans need stable, simple financial services with customer service backing and legal protection. Traditional banks and fiat currency systems, though having friction, perfectly fit the need for human security.

digital gold AgentBut what if we switch perspectives from “” to “”?

The CEO of Coinbase once pointed out sharply:For AI Agents, the advantages of the traditional financial system are all disadvantages, while the disadvantages of cryptocurrency are all advantages.

smart contractsnative machine contractMachines require millisecond-level micropayments. Imagine an AI Agent generating a report for you; it needs to pay another Agent for real-time data at a price of 0.001 dollars. The single transaction fee of traditional credit card networks reaches 0.3 dollars, making it impossible to support such microtransactions. However, through a cryptocurrency network, Agents can complete low-cost settlements in a few hundred milliseconds.

The best manifestation of this paradigm shift is a real history full of metaphors in the internet world.

In the initial design of the HTTP protocol, there was actually a status code called 402 Payment Required.

Until 2025, a payment protocol specifically designed for AI Agents was born, named x402.

After receiving the instruction, the Agent instantly calls 0.001 USDC (a stablecoin pegged to the dollar) from its encrypted wallet to complete the payment, and the entire process ends in a few hundred milliseconds, opening the data channel.

According to data from blockchain analysis organizations, between the beginning of 2025 and 2026, in just a few months, AI Agents have already completed millions of payments through stablecoins. Cryptocurrencies no longer need to prove they are better than Alipay; they have sunk into the depths of the internet, becoming the silent blood circulating among thousands of machines.

cashbank accountsIn the past, wealth was explicit and physical. You took out a banknote or opened a banking app to see the change in your balance, which gave you a tactile sense of “But in the future, wealth will be folded.

Next, this Agent begins its autonomous run: it pays another data Agent 0.05 USDC to acquire hot trends; it pays a drawing Agent 0.1 USDC to generate accompanying images; after the article is published, it automatically deposits the earned advertising revenue (maybe 0.5 USDC) into its own wallet.

All you see is a minimal report sent by this Agent each week:This is the ultimate division of wealth between humans and machines:The machine's money (cryptocurrency) is for flowing; it is a high-frequency, cold, and extremely efficient production means; while the human money (fiat currency) is for feeling; it is the final destination for buying coffee, paying rent, and carrying life security.

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