How Card transaction works?
Payment cards are one of the revolutionized ideas in digital payment. It had made the payment process a lot simpler. As in the before age, the Barter system was used, in which goods are exchanged with other goods for trading. But later due to the difficulty in trading with the Barter system, another medium (gold) was introduced. Thus people used the gold to buy and sell goods between them. But due to the difficulty in transporting the gold for international trading, banks asked the people to deposit their gold in them and get an “ IOU”(I owe you)-a promissory note, as a proof of deposit. So whoever holds that receipt, can claim that gold in that locker. Thus trading happened between the merchants via the promissory notes alone. Till 1971, those promissory notes were backed up by gold. But after 1971, the gold standard was removed and the promissory note was made to stand alone, which we today call today it as fiat money. Fiat money When technology entered,...