Crypto, short for cryptography, refers to the use of mathematical algorithms and protocols to secure the confidentiality, integrity, and authenticity of data.
In the context of digital currencies, crypto refers to the use of cryptography to secure the creation and transfer of digital currency units, such as bitcoin.
Cryptocurrencies are digital or virtual currencies that use cryptography for security and are not backed by any central authority, such as a government or financial institution.
They are decentralized systems that allow for the secure transfer of funds between parties without the need for intermediaries.
Some well-known cryptocurrencies include Bitcoin, Dogecoin, Kadena, Ethereum and Litecoin.