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Erschienen in:
2022 | OriginalPaper | Buchkapitel
Introduction to Cryptography in Blockchain
verfasst von : Javier Bermejo Higuera, Juan Ramón Bermejo Higuer, Juan Antonio Sicilia Montalvo, Rubén González Crespo
Erschienen in: Implementing and Leveraging Blockchain Programming
Verlag: Springer Nature Singapore
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Abstract
Since ancient times, there has been a need to protect information considered confidential or secret, with the aim of keeping it out of the reach of a possible enemy or adversary. This has been done in various ways: by preventing physical access to it, by disguising its nature, or by using cryptographic procedures to transform it to prevent access to its content. The aim of cryptography is not to hide the existence of a message, but rather to hide its meaning, a process known as encryption.