Estonian news are taking about it.
News say that Estcoin could be used only by estonian E-Residents. And currency itself could be controlled by Estonian goverment. Money would be invested mainly in E-services development.
At the moment 'Estcoin' team is asking people to join the discussion and share their ideas about Estcoin.
You can find more information on Estonian E-residency blog page: https://medium.com/e-residency-blog/estonia-could-offer-estcoins-to-e-residents-a3a5a5d3c894