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Is there a certain set of functions and variables that a Token contract has to implement so Mist can handle the Token display?

In the Crowdsale example Tokens are used. But there is no interface implemented in the token contact. If I "watch" the token in Mist, how does Mist know where to take the inofmation about the token from? All token-balance information is just held within the token contract.

What if I change the name of function transfer to transfer123, will it still work?

marked as duplicate by Waqar Lim Nov 2 '16 at 11:21

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Already answered here: What's the minimum token contract interface to be showed in mist?

Token interface: https://gist.github.com/frozeman/090ae32041bcfe120824

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