Articles
Written against real product behavior—no filler farms.
Connecting a USDT checkout with HMAC and webhooks
How CHINAUSDT signs create-order requests and delivers order.paid webhooks—checklist for engineering leads.
Platform vs self channels—follow the money
The real differences between CHINAUSDT platform and self channels: sweep target, payout path, and key custody.
Why we forbid floating-point amounts
CHINAUSDT stores amounts as integer minor units, writes ledger before balance, and settles once per order.
Address pool, close, and late pay
How exclusive address borrow, close-to-cool, and late-pay queues work for USDT checkouts.