They are using the terrorist attacks as the cover:
This is the first proposal part of an action plan that the EU got rolling after the Paris November 2015 terror attacks and that it officially put forward in February 2016 and later approved at the start of July 2016.
There is nothing libertarian about e-currencies. They are very trackable. Governments are beginning to realize this.
(via Softpedia ht Mark Addleman)