the successful currency is the one that EVERYONE can have a piece of - but we haveto think about malicious intentions of Governments and Institutions , as well as just plain greedy people, nothing wrong with greed, its just the malicious nature of it that causes the problem.
+1
It looks like BTC and major altcoins are going to 20/80 model, just like in the real economy, where 20% of users/holders have 80% of wealth/coins..