SBI introduced virtual card for SBI net banking users. Other banks may also be providing Virtual Card, because I have listened about virtual card before SBI. Virtual card, by all the banks may be working the same way.SBI Virtual Credit CardsA virtual card is also known as Electronic Card or e-Card. Virtual card gives an extra layer of security for your credit or debit card. It works the same way as real debit or credit card works but it is virtual (not physical). And your actual card (plastic...