There are a lot of words about cryptocurrency and about the standard of etirium ERC-20, which has been outdated for several years. More specifics and less truths.
for people, the main opportunity is the possibility of potential earnings. this is essentially the most important thing...
But some people forget that there can't be any profit without inputs. For example, bounty hunters want to have earnings right after ICO. But when all of them go to the exchange and dump the price, noone can do profits.