It is actually very simple to regain investor confidence, it is necessary that the products of cryptocurrency startups are applicable in real life, thats all. And scammers will always be where there is money, there are scammers.
It is not as simple as saying. For most crypto startups, it seems impossible to do what they declared.
Then this means that the declared opportunities do not coincide with reality. And here we can already conclude: either the project was not going to do this, or there are some circumstances under which it is impossible to realize the idea at the moment.