A form of digital currency that utilizes cryptographic protocols to record ownership, prevent counterfeit (when ownership and transaction gets logged onto the blockchain). Bitcoin is one of the most successful examples which combines peer-to-peer networking, cryptography and incentivization by design to create a cryptocurrency.
ERC-1155 token standard allows each token ID to represent both non-fungible (NFTs) and fungible tokens which may have their metadata, token supply and other attributes.