Hacker News new | ask | show | jobs
by duskwuff 4808 days ago
Because the CVV is used to indicate the "presence" of the customer at a transaction. CVV1 (which is on the magstripe) is used to indicate "card-present" physical transactions, CVV2 (printed on the back) is used for "customer just typed this in" non-physical transactions.
1 comments

That makes much more sense. Thank you.