Crypto, or cryptography, is the practice of using mathematical algorithms and protocols to encrypt, protect, and securely transmit information. By using highly advanced mathematical models and cryptographic principles, it provides users with a high level of security and privacy. When used correctly, crypto technology allows for users to make digital payments, secure online communications, and safely share confidential data without fear of the information being intercepted or corrupted. Furthermore, the technology is widely used in a variety of industries to ensure the integrity of systems, protect one's identity, and authenticate users.

See also: emergence, evolutionary computing, quantum foundations