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Is this a debit card that transacts as a credit card? ie you validate the balance on the spot, approve or reject the transaction immediately, and then run the transaction on the network as a credit card so you can charge credit card rates? (Enough for rewards)

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This is a pure debit card, it processes on the debit network.

So how are you able to collect enough transaction fees to cover the referenced rewards?

Does that debit card transaction fee limit only apply to banks with assets over $10B?

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