1. a lot of currencies aren't as stable as US/EURO.
2. Cypto currencies could be used as a reserve currency http://btc-times.com/cryptocurrencies-will-become-reserve-cu...
3. could be used as a settlement system
2. Cypto currencies could be used as a reserve currency http://btc-times.com/cryptocurrencies-will-become-reserve-cu...
3. could be used as a settlement system