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.
A look at the last week of crackdowns, including a ruling from Vice Premier Liu He. Hong Kong echoes Beijing with stricter controls of their own, limiting retail investors in the administrative region.
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