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Originally Posted by hacker
CitiBank has a neat service... "virtual credit card numbers". Basically for each online purchase, you can log into citibank.com and request a 'virtual' credit card number for that specific transaction. Need another? Fetch another virtual number. This way, no online service can abuse your credit card number for unauthorized purchases. Pretty slick service.
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That is the first time I hear about it and it sounds great. Here is a link to their service:
http://www.citibank.com/us/cards/tour/cb/shp_van.htm
Although I don't use it anymore, I still have a CitiBank account somewhere. Perhaps I should refill it just for online transactions.