The ERC-712 token standard is used to define non-fungible tokens. NFTs are quite unique as compared to any other Ethereum based standard token. The ERC-712 tokens bring forth the concept of uniqueness to the blockchain, giving each token distinctive detail.
ERC-712 tokens or NFTs can be used to represent a plethora of asset classes. It can be a one-of-a-kind digital artwork while offering proof of ownership through blockchain records. It also helps to bring down the number of counterfeit assets.
The ERC-712 token can have potential usage for other applications as well. The ERC-712 tokens are also being used in crypto gamification and offering virtual real estate.