They must have changed that. At a cafeteria that uses MIFARE cards the operation is still not atomic, but the customer loses: If you remove the card at the wrong time, the card is debited but the transaction does not…
To answer your last question: Civilization would have progressed faster, people would still be able to think and the economy would produce more things that are actually valuable.
They must have changed that. At a cafeteria that uses MIFARE cards the operation is still not atomic, but the customer loses: If you remove the card at the wrong time, the card is debited but the transaction does not…
To answer your last question: Civilization would have progressed faster, people would still be able to think and the economy would produce more things that are actually valuable.