actually there is no serious problem in yobit market only they often delay long time withdraw. but my advice if you want to trade better to Hitbtc market because it is easier to process.
Cryptocurrency, especially Bitcoin, is the greatest invention of this century in finance and this is a moment where people can benefit from Bitcoin and Altcoin and also Crypto is a future that can not be shredded by government and conventional banks and they want or not have to accept all this .
many factors that affect the price of Bitcoin, among others, supply and demand and government regulations and incidents related to crypto then it affects the price of Bitcoin.
if the idea is limited human civilization will not get this way. ideas will always be there as the times and needs of human beings. this is the right answer to your question.
if talking opportunities of course there must be a small percentage of it, but all it would need special attention, especially by local governments and superpowers
for me crypto just wants to grow. and apabilah Bitcoin experience it then it will certainly affect the price Altcoin. but I'm sure if Altcoin and Bitcoin will not disappear within the next 20 years.
I do not think that's a problem. because the principle of investment is waiting and holding. the number of tokens of investors is much more than the bounty hunter.