No. of Recommendations: 2
Seems like sometime ago I heard something about disposable numbers?

Disposal numbers can be used online. It would be difficult for in store purchases because there is no physical card.

Disposal number are useful for online retailers. Especially, those that are a one time transaction where you don't have any confidence in them. A disposable number can be setup with a low limit and short expiration date.

I use a disposal number for PayPal. They still whine that they want access to my checking account, but the few transactions that I do through ebay hasn't reached the limit where they require "authenication". If it ever does, I will close that account and open a new one with a different email address.
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