1
vote
3answers
224 views

Do any banks issue one-per-vendor credit card aliases / unique numbers?

It seems that compromised credit card numbers have become a cost of banking--often through no fault of the bank or the consumer. But getting a new credit card number is a real pain in the neck--you ...
12
votes
6answers
3k views

Is it safer to send credit card number via unsecured website form or by e-mail? What safer options are there?

I want to buy something from a VERY REPUTABLE Asian seller. They've got a lot of good references all over the internet. The only thing is, they are quite old-fashioned and so is their website. They ...
1
vote
1answer
107 views

Are Square Tabs secure?

My barber takes credit card payments using the Square reader and his iPhone. I get the receipts via text message. The text messages include a link to the Square site that allow me to create a "Tab" ...
4
votes
1answer
1k views

Which banks / companies offer virtual or instant credit card services in the UK?

I'm looking to make a small number of hotel and guest-house reservations, and thought that generated credit card numbers with defined limits would be a good idea. Which companies provide such ...
6
votes
2answers
789 views

How do credit card payments work? What ensures the retailer charges the right amount?

If I buy book from an online shopping site via my credit card, how can the retailer get money from my credit card? What is in place to ensure the retailer gets the exact amount of money I should pay, ...
9
votes
6answers
10k views

Why do some online stores not ask for the 3-digit code on the back of my credit card?

How is it that some e-commerce stores are able to process credit card transactions without getting the 3 (or 4-) -digit security code from the back of my credit card? What value does this code add if ...
5
votes
4answers
1k views

Why activate credit cards? What is the purpose of credit card activation?

A number of credit card companies - almost all of them - ask to "activate" credit cards when sent to me. Usually it involves calling the phone on the sticker and typing in whole or partial card ...