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EncryptionCryptography is the foundation of blockchain. In Chapter : BlockchainBlockchain (II): ASCIIASCII and Sha256Sha256, we know that it is impossible to use so-called brute force to find a solution to a given hashHash generated by Sha256. This chapter will explain basic encryptionEncryption mechanisms, such as the letter-shift schemeLetter-shift scheme, keyword method, and 6-letter pairs. More importantly, we will explain public and private keysPrivate key and how to receive a message with a public keyPublic key while sending a message or money with a private keyPrivate key. In this chapter, the following topics will be covered:

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Cryptography, Mnemonic, Public and Private Keys

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  • 发表日期：

    2025年

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  • Yuxing Yan

摘要

EncryptionCryptography is the foundation of blockchain. In Chapter : BlockchainBlockchain (II): ASCIIASCII and Sha256Sha256, we know that it is impossible to use so-called brute force to find a solution to a given hashHash generated by Sha256. This chapter will explain basic encryptionEncryption mechanisms, such as the letter-shift schemeLetter-shift scheme, keyword method, and 6-letter pairs. More importantly, we will explain public and private keysPrivate key and how to receive a message with a public keyPublic key while sending a message or money with a private keyPrivate key. In this chapter, the following topics will be covered: