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If you want to still use a "credit card" online without being tracked by the MasterCards or Visas of the world (or even individual merchants), then check out https://privacy.com/ .. It lets you generate a new credit card number for every transaction if you want.

I'm not affiliated with them.. Just a satisfied user. (Although happy to hand out referral links.)

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How does that hide the data from Mastercard and Visa? Surely they must know who is behind every card number, otherwise who would they charge?

Disclosure: I work for privacy.com

You can use pseudonymous billing info for the transaction. We then debit your underlying account afterwards.

Wouldn't that cause weird issues with rebates for faulty products?

If I understand the way the process works, no. The credit card is attached (via privacy.com) to a checking account via ACH. So if you get a refund (or perform a chargeback) on one of your credit cards, then the resulting funds are just deposited into your checking account.

Anyone know if there's a similar service to Privacy in the UK?

I was wondering the same.

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