E-Residency is billed as a "digital nation for global citizens, powered by the Republic of Estonia". It may be possible to think of e-Residency as offering many of the benefits that might be thought to be conferred by schemes such as Liberland without the overt mission to do away with the state (and, in the case of Liberland, disrupt the integrity of two young countries who have in recent times seen conflict). krozruch plans to apply for e-Residency in 2018 and report on his findings in Marginálie.
A New Yorker story about the Estonian experiment on the blockchain.
A piece in Roger Ver's Bitcoin.com about The European Central Bank criticising Estonia's plan to launch a crytpocurrency. (Cf. Bernard Lietaur giving a talk about the value of complementary currencies.)