Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

Credit cards used to be used for offline payments - the cashier would take an imprint of the card and it would all be processed later.

https://en.m.wikipedia.org/wiki/Credit_card_imprinter



Consider applying for YC's Winter 2026 batch! Applications are open till Nov 10

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: