1. Lack of funding both the starting aspect and the launching aspect (lack of money to continue)
2. Failure in out righting frauds
3. Failure to evolve especially when the coin initially start bomming
less precise, because it is impossible that they do not have a development plan. when a new project is first launched, I'm sure they have thought of everything from funding and so on. the biggest reason why they fail is because from the start they only think about money.