Cryptography, Mnemonic, Public and Private Keys

Yuxing Yan ()
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Yuxing Yan: Sinica Education

Chapter Chapter 5 in Introduction to FinTech using Excel, 2025, pp 107-133 from Springer

Abstract: Abstract EncryptionCryptography is the foundation of blockchain. In Chapter 3 : 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:

Date: 2025
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DOI: 10.1007/978-3-031-89779-5_5

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