Ethereum ERC-20 vs ERC-721

ERC-721 is a more advanced token that is “non-fungible”. Think of ERC-20 as the token type for things that are money (any $5 bill is worth the same as any other $5 bill, usually) and ERC-721 as the token type for collectibles (it’s the Ethereum equivalent of baseball cards).

View at Medium.com

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