<ul><li>Cryptography is the art of secret messaging, turning messages into unreadable ciphertext until unlocked with the right key.</li><li>AES encryption uses 128, 192, or 256-bit keys, with AES-256 considered uncrackable via brute force.</li><li>Public-key encryption from the 1970s involves encrypting with a public key and decrypting with a private key, used in TLS, SSH, and PGP.</li><li>Cryptographic technologies like ECC, used in Bitcoin and Signal, provide security with smaller keys than RSA, while hash functions like SHA-256 create fixed-length fingerprints for data.</li></ul>

Crypto is My guy (for Keeping Secrets)

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