CryptographyCryptography - means "secret writing"—the ability to exchange messages that can only be read by the intended recipient. In cryptocurrency,... Read More means, “secret writing”—the exchangeA digital marketplace where you can buy and sell cryptocurrency. Read More of messages accessible only by the intended recipient. It is the science of hiding information. More specifically, modern cryptography uses mathematical theories and computation to encrypt and decrypt data and guarantee the integrity and authenticity of information. Cryptography in cryptocurrencyA digital currency in which transactions are verified and records maintained by a decentralized system using cryptography, rather than by... ensures the security of transactions and participants, independence from a central authorityA central authority is an entity that holds centralized control over something, such as a financial exchange, asset, or transaction.... Read More, and protection from double spendingDouble spending is a fraud technique that involves using the same digital currency to make two or more separate purchases.... Read More.
See https://en.wikipedia.org/wiki/Cryptography [Investopedia]
