I have stated this before elsewhere and it is important to state again:
Open Ledgers in Cryptocurrencies is not sustainable.
No private individual wants their private financial information available to everyone, forever.
The future is privacy.
Snowden Agrees - 10 minute video
He also makes a good point - we cannot afford to be reduced to fan boys cheering for specific coins while hating competition. We must unite for all crypto to grow amid government interventionist practices.