Although technical specifications and details of the Russian central bank's
national digital currency project remains undisclosed, in 2016, the Bank of Russia announced the development of an Ethereum - based interbank blockchain prototype called Masterchain.
On Tuesday, The Intercept reported that Edward Snowden furnished documents which demonstrate that the
National Security Agency (NSA) has kept a careful eye on
digital currencies, including bitcoin, through codenamed
projects like OAKSTAR and MONKEYROCKET.