Payments · 2023
Buy-crypto checkout with Binance and on-chain confirmation handling.
Payments
Crypto Purchase Flow
- Role
- Backend engineer
- Stack
- Laravel, Binance API, Redis
- Year
- 2023
The problem
Customers needed to pay in crypto, with exact amounts, expiry windows and trustworthy confirmations.
Architecture & decisions
- +Quote and expiry service
- +Address and invoice management
- +Confirmation watcher with reorg-safe thresholds
- +Fallback reconciliation against exchange records
Live
In production
Exact
Amount matching
Safe
Reorg handling
Next project
Email Provider & Campaign System →