http://www.nasdaq.com/article/palestine-may-launch-its-own-cryptocurrency-as-sovereign-legal-tender-cm789408

I am just wondering Palestine don't have own physical currency and Palestine may launch its own cryptocurrency as sovereign legal tender with in next 4 year. But after done some research i found not only Palestine but also some other nations may launch its own cryptocurrency as sovereign legal tender. Here is other article

http://www.hashtaginvesting.com/blog/5-sovereign-perspectives-on-cryptocurrency

I am happy to Sweden is doing great job with paperless currency!

Sweden : The report continued that physical bills and coins amount to just 2% of the countrys economy. The U.S., meanwhile, is at 7.7%.