Web3 payment lifecycle
ChainCheckout
A production-minded crypto checkout for digital products: wallet auth, smart-contract payment, worker verification, realtime order status, and entitlement unlock.
1
Order created
Backend stores expected amount, token, chain, payer, and expiry.
2
Transaction submitted
The tx hash is saved once and queued for async verification.
3
Payment verified
Worker parses PaymentReceived and grants access server-side.
SIWE
Worker
SSE