Understanding Ethereum Tokens: ERC-20, ERC-223, ERC-721, ERC-777 Compared

ERC stands for Ethereum Request for Comments and is followed by a number. This number will indicate what the token is capable of doing, and how it will interact with smart contracts and other dapps: [Understanding Ethereum Tokens](

* ERC-20 – the most popular of the Ethereum token standards (used by BNB, USDT, LINK)
* ERC-223 – incorporate tokenFallback technology which ensures that should the token be sent to a smart contract that does not work with that particular type of token, the tokens are returned to the original address.
* ERC-721 – are non-fungible tokens (NFT), that cannot be replaced or replicated, can represent ownership over an asset.
* ERC-777 – a revised version of ERC-20 with features like offering users more control over their tokens and allowing operators to send tokens on behalf of other addresses.

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