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What is asymmetric cryptography?

What is asymmetric cryptography?

Cryptography is the science of secure communication in the presence of hostile behavior. In practice, cryptography often includes encryption protocols that keep messages between senders and receivers confidential. Cryptography also includes other ideas such as hashing. The process of converting data into an illegible form to thwart attackers is called “encryption,” and the encrypted data is called “ciphertext.” The process of converting this illegible data back into its original form for the intended recipient is called “decryption.” Unencrypted or decrypted data is called “plaintext.” The Internet and modern computers rely heavily on encryption as a critical element in their security models.

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What is blockchain technology in simple terms and what are its features?

What is blockchain technology in simple terms and what are its features?

What are the blocks? These are blocks of information which follow each other in a strictly defined order. Each block contains data about the previous block, about the next block and other information which we can write there (for example: who owns real estate, who voted for which candidate at the elections, who has how much money in the account, who transferred what, etc., generally any information).

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