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Entropy Extraction

Definition

Entropy extraction refers to the process of gathering randomness from physical or computational sources to generate unpredictable numbers. This randomness is vital for cryptographic operations, such as generating private keys, creating secure nonces, and ensuring the unpredictability of algorithms. In systems where true randomness is paramount, like blockchain consensus mechanisms or secure communication protocols, robust entropy extraction is a critical security requirement. It provides the foundation for cryptographic security.