Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [visa]

For questions related to Card settlement "Visa" company. If the questions are not specific then the tags Credit-card should be used.

23
votes
3answers
4k views

Is there any inherent difference between Visa and Mastercard credit cards?

Are there any inherent differences between a Visa credit card and a Mastercard credit card? Obviously, there can be huge differences between one Visa card and another. And between one Mastercard and ...
11
votes
5answers
10k views

How are Visa payWave and MasterCard PayPass protected against unauthorized use?

Visa payWave and MasterCard PayPass have similar description - the card is equipped with antenna that it uses to talk to the terminal. For small purchases (something like less that $50) the ...
4
votes
5answers
10k views

Can I preemptively pay my credit card bill before a charge is posted?

Today, I paid a $1000 bill with a credit card that has a $1500 credit limit. (Note, I have changed the numbers slightly here, but the ratios are roughly correct.) The bill has not yet been posted to ...
4
votes
2answers
808 views

Is there any reason to prefer Visa or Mastercard?

My Italian bank, Fineco, offers me Visa or MasterCard credit cards at (apparently) the exact same conditions. IIRC when I first requested it a few years ago, it was just a checkbox in the contract ...
4
votes
1answer
1k views

Does mechanically disabling payWave/PayPass by punching a hole formally invalidate the card?

There's a bit of paranoia about whether payWave/PayPass contactless payments technology is fully secure and some people are willing to disable those in their cards. This post and this post explain how ...
1
vote
1answer
436 views

Make Visa, hybrid debit/credit card default to credit mode?

I have a Visa, "hybrid" debit/credit card. Is there a way to make it act as a credit card by default so I don't have to hit "cancel" or "ok" when checking out, just to get it to use credit mode?