The main indicator is that the project is good to be real, those projects that promise the user a lot of tokens, most of the distribution of currencies is short-term, the focus is on paying for advertising and advertising, the developer team controls a percentage of the assets, and there is no long-term plan or thinking to solve a problem.The currency is not required to be scam to avoid it. If it was a failed investment, then it and scam coin are the same, you will lose your money.