Many websites ask for payment by entering information from Credit card such as VISA card/ Mastercard etc. Now, till date I knew that I should never tell anybody about these numbers. Then why these websites ask for credit card details and if (suppose) any of them have a malicious intent, then what can they do with these numbers?
Basically my question is, how it is being ensured that they will take the specific amount of money/ cost upon my consent; and without my consent they will not take money? Will the bank send me some verification code to my phone?
I never yet used online transactions and I am very confused to understand its steps, do’s and don’ts etc. I have searched Google and Quora but I didn’t find anything helpful.
I would be thankful if anyone can explain how this specific online transaction mode (by entering credit/debit card number) works and how an without-consent-transaction is prevented, preferably via a flow chart.
Many thanks in advance.
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