Q402 is essentially a "system-level" payment and behavior protocol designed for AI agents.
To help you more intuitively understand Q402's role as the infrastructure for AI agents, it can be viewed from the following three dimensions:
1. It is the AI's "digital wallet 2.0"
Traditional wallets (like MetaMask) are designed for humans and require manual clicks and confirmations. However, the operational frequency of AI agents is extremely high and online 24/7.
Signing is execution: Q402 allows AI agents to complete transactions through "programmatic signatures" without human intervention.
Budget control: You can set a "pocket money" limit for the AI agent. For example: "You can freely use this 100 USDT to purchase computing power, but anything beyond this amount must be approved by me."
2. It is the AI's "on-chain passport"
In the Web3 world, you cannot operate without identity. Q402 provides AI agents with verifiable identities (DID).
Credit rating: Every operation of the AI agent under the Q402 protocol leaves a record. An AI that can always efficiently complete tasks without overspending will have a higher "credit score."
Permission management: It can distinguish "who is the master" and "who is the agent." This ensures that although the AI is working for you, it can never secretly transfer all the assets from your treasury.
3. It is the "payment gateway" of the agent economy
Q402 solves the problem of AI agents mutually "buying and selling services":
Machine-to-machine (M2M) payments: An AI responsible for "writing articles" finds it needs to "generate images," and it will directly pay another "drawing AI" through Q402.
Automatic settlement: All transactions are completed on-chain instantaneously, with no delays from bank transfers; this is the true speed of the agent economy.
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