It is the converting ordinary plain text into unintelligible text and vice-versa. It is a method of storing and transmitting data in a particular form so that only those for whom it is intended can read and process it.
The major concerns:
- Confidentiality
- Authentication
- Integrity
Three Types:
-
Symmetric-key cryptography
-
Hash functions.
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Public-key cryptography
Cryptocurrency transactions are secured by cryptography. It is vital in sending coins and tokens between wallets without an intermediary like a bank.
The main solution cryptography provided was the ability to eliminate the double-spend without turning to a financial institution.
General:
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