Hacker News new | ask | show | jobs
by jarek 4265 days ago
> Imagine buying something on a website, but instead of entering your credit card number, you are redirected to your credit card company's website. You "sign-in-with Visa" by entering your account password.

"Verified by Visa" and "MasterCard SecureCode": http://en.wikipedia.org/wiki/3-D_Secure