site: https://stellar.stackschools.com/
youtube: https://www.youtube.com/watch?v=dac5htyIEk8
- Basic Architecture
- when user enter a prompt
- create invoice and show QR code
- watch payment
- if payment success show the replay
- Important: Use MEMO to Identify the User
- Memo = User ID / Order ID
- Extra Security Checks. Always verify:
- ✔ correct amount
- ✔ correct memo
- ✔ correct asset (XLM)
- ✔ payment not processed before