Ethereum Tokens: ERC777 Tutorial (improved ERC20, with tokensReceived, tokensToSend hooks)

Ethereum Tokens: ERC777 Tutorial (improved ERC20, with tokensReceived, tokensToSend hooks)







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ERC777 is a big improvement over ERC20.

Like ERC20, it allows to represent fungible assets.

But unlike ERC20 it allows to register “hook” functions triggered in sender and recipient addresses.

In this tutorial for ERC777 tokens, I will explain:

– ERC20 vs ERC777
– operators
– tokensToSend hook
– tokensReceived hook
– Interaction with ERC1820 registry

Watch the full series on Ethereum tokens (ERC20, ERC721, ERC777, ERC1155….):

Other Links:
– Official erc777 specification:
– Forum:
– Blog:
– Author Website:

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Publicado en Ethereum (ETH) y etiquetado .