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Given a contract that implements ERC-20. Is there a naming convention for new instancies such as its symbol? We are used to 3 chars but that range will run out at some time in future.

I am asking because I suspect that market places and wallets for tokens cannot deal with long symbols.

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    Symbol lengths of up to 9(!) characters have been in use for a while now - see Is there length limits on Token Symbols? – Richard Horrocks Nov 28 '17 at 20:00
  • Edit: In fairness, there are fewer 9-character symbols now than there were. It's probably safest to stay as close to 3 characters as possible... And I'm not confining this to ERC-20 tokens, but general assets that the exchanges would seem to be able to support. – Richard Horrocks Nov 28 '17 at 20:45

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