[F/OS] Card Number Validator (Secure)

Extensions
7

And this is my solution without the extension:
card.aia (7.1 KB)

blocks - 2021-05-12T210824.742
blocks - 2021-05-12T210824.7421393×1945 326 KB

6 Likes
I have made an Offline Credit Card Number Verifier App [PAID]