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Cryptography

Encryption

TLS (Transport Layer Security) Encryption Encryption Key Hashing

The science of protecting information with math.

Definition

Cryptography uses math to keep information secret, prove identity, and prevent tampering.

In plain English The science of protecting information with math.

Why this matters

Why it matters: Modern privacy tools (like encryption and secure connections) rely on cryptography.

Example

Example: HTTPS uses cryptography to protect web traffic.