Secure checkout by Stripe. You come right back here with your code.
Send $25 worth to this address:
Wait until your wallet shows the payment as done. The system needs before it accepts it.
Copy the transaction ID (also called "hash") from your wallet and paste it below.
Only payments sent after the course went on sale, within 30 days, to the address above and worth at least the price are accepted. Each payment can unlock one code.