Offer your thoughts or opinion on the input financial query or topic using your financial background.

Why do some online stores not ask for the 3-digit code on the back of my credit card?
As a general premise: In most of the online transactions in case of dispute the benefit of doubt is given to the customer. IE if the customer refuses to pay and claims that its not his transaction, the card company reverses the charges and does not pay the merchant (or recovers if its already paid).   There are many types of online vendors who use a variety of methods to ensure that they are not at loss. Some of these are: