I do not think that cryptocurrency will ever end and now is the time to buy Ethereum. the best Ethereum coin
Each and everyday a new coin enter into crypto currency so this is the beginning of crypto currency so we need to see more development and achievements of crypto currency so it will not die for many decades.
what crypto currency now is a mass adoption from many countries, if most of the government in the world can provide a clear view against cryptocurrency we might see a lot of investor entering the market.
Cryptocurrency will not die for sure since it is there but the question is will the expensive values of coins will stay forever ?