Basic Cryptography Technique | Blockchain Architecture Design | SNS Institutions

Basic cryptography techniques generally fall into three main categories: symmetric encryption, asymmetric encryption, and hashing. Symmetric encryption uses a single shared secret key for both scrambling (encryption) and unscrambling (decryption) data, making it fast and efficient for large data transfers but challenging for secure key distribution. In contrast, asymmetric encryption, or public-key cryptography, employs a pair of mathematically linked keys—a public key for encrypting data and a private key for decrypting it—which solves the key exchange problem but is computationally slower.
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