"Not coin" is a term that can have a few different meanings depending on the context:
1. *Not a cryptocurrency*: In the context of cryptocurrency and digital assets, "not coin" might refer to a project or token that doesn't use a blockchain or decentralized ledger technology.
2. *Not a physical coin*: In a more general sense, "not coin" could refer to something that doesn't have a physical coin form, like a digital token or a virtual currency.
3. *Not a viable investment*: In some cases, "not coin" might be used to describe a cryptocurrency or digital asset that is not considered a viable investment opportunity.
If you have any specific context or information about what you mean by "not coin", I'd be happy to help clarify!