A simple Google search says otherwise. From the World Economic Forum outlook on crypto currency.
The Central Banks in the Age of Blockchain initiative has created the world’s first community for central banks to share experiences, ideas and best practices related to blockchain and digital currencies, and to learn from reliable experts. Our global community consists of 45 central banks, four major international organizations and some of the world’s top blockchain experts.
and
Over the next four years, we should expect to see many central banks decide whether they will use blockchain and distributed ledger technologies to improve their processes and economic welfare. Given the systemic importance of central bank processes, and the relative freshness of blockchain technology, banks must carefully consider all known and unknown risks to implementation.
— Ashley Lannquist, Project Lead, Blockchain and Digital Assets, World Economic Forum
questions?