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For what it's worth, Google Wallet never actually discloses your card. It uses a virtual MasterCard to complete the transaction.

• thrownaway2424 12y ago
  The proxy card number doesn't change so why is this considered a feature? It discloses something which is as good as your backing real card number.
  • iancarroll 12y ago
    Because it will only accept one charge and only be re-enabled when needed?
  • cstrat 12y ago
    and i suspect you can cancel the proxy card, without impacting your normal card which may be on file for recurring payments elsewhere.