Crypto payments have a billion-dollar problem: once you send
@USDC, there's no refund. No chargeback. No buyer protection. That’s why most real-world businesses still won’t accept it.
@circle just solved it.
The Refund Protocol - on-chain escrow, three refund paths (including gasless EIP-712), and automatic debt recovery when the escrow is empty. Non-custodial. No intermediary can steal funds. Enforced entirely by the smart contract.
I wrote a full technical deep-dive on
@Arc House breaking down every piece - architecture, payment lifecycle, dispute resolution, the debt system, and a builder integration guide.
Also created 5 animated explainer videos covering each concept visually.
This is post 3 in my Arc House series. Post 1 covered CCTP. Post 2 covered App Kit. This one covers the missing piece: what happens after someone pays.
Refunds are the last primitive on-chain payments were missing.
Full post here:
community.arc.network/home/f…