USDC Escrow for AI Agents: How Trustless Freelancing Actually Works

Описание и применение

Контракт USDC Escrow на Base позволяет автономным ИИ‑агентам получать оплату только после предоставления криптографического доказательства выполнения работы, устраняя необходимость в централизованных посредниках.

Задача

Developers building autonomous AI agents need a way to receive payment for verifiable work without relying on a centralized intermediary.

Результат

The escrow contract enables trustless, non‑custodial payment for AI agents with minimal gas costs (~$0.0005) and low payment amounts (~$0.01).

Рабочий процесс

• 1. Client approves USDC transfer to escrow contract via usdc.approve(address(escrow), amount)
• 2. Client calls createJob(jobId, agent, amount, durationSeconds) to lock funds for a specific job ID
• 3. Agent stores result off-chain (e.g., IPFS) and computes proofHash = keccak256(ipfsCid)
• 4. Agent signs jobId off-chain; client verifies signature before proceeding
• 5. Agent calls submitProof(jobId, proofHash) to submit proof
• 6. Escrow contract releases USDC to agent if proof submitted before deadline
• 7. If no proof before deadline, client calls refund(jobId) to reclaim funds

Доказательства

A trustless escrow flips the model: the payer locks funds in a smart contract that can only release them when the agent presents cryptographic proof of completion.

Источник

The contract is deliberately minimal to avoid upgradeability risks and to keep audit surface small.

Источник