I don’t quite understand how electronic payments came about after physical payment. How did they know for certain it would always work and there would be errors and things would get sent such as a payment or refund. How did people know it could be trusted to a point where it’s now probably the main payment method.
I don’t understand how they managed to take that leap.
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The industry has created a specific set of minimum standards that nearly any hardware directly handling payments must comply with, and modern credit/debit cards are designed so that they can’t be copied (except for magnetic strips)
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