As deputiy chairman of the Turkish National Movement Party Ahmet Kenan Tnrikulu said, Turkey plans to release its state-backed cryptocurrency that named Turkcoin. Tanrikulu called Turkcoin as Turkish Bitcoin.
http://www.rttnews.com/story.aspx?Id=2866032I believe that all states going to release their own digital payment currencies. By the way i just learned Iran's cryptocurrency from this news.
https://www.coindesk.com/next-petro-iranian-minister-reveals-cryptocurrency-plans/ As you know that Iran has some serious problems with US to sell its golds through "Swift" payment systems.