Cardholders will earn a percentage back in Bitcoin instead of airline miles or other cashback rewards
from Cointelegraph.com News https://ift.tt/3xngzu5
I am introducing cryptography. Cryptography is used to secure and protect data during communication. Encryption is a process which transforms the original information into an unrecognizable form. Decryption is a process of converting encoded/encrypted data in a form that is readable and understood by a human or a computer.
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