You have to be honest, those projects who really started working in 2018 they did at least something, but 90-95 percent just raised money and did nothing! Therefore, I must agree with you that security in cryptocurrency is very important!
Majority of the projects were not transparent and if you have a market situation where you can raise money and there is no authority to check what is going on behind closed doors, these things will happen and so is the reason i would like to see strict regulation on these so that we will not see scammers taking advantage of the free market.