The launch of the digital euro could give every European a free, universal payment account. But this grand vision is at risk of being curtailed by a well-coordinated lobbying campaign of the banking industry. Banks want to make sure you will keep needing them – and they have EU officials’ ears.
I think this is related to the GNU Taler open source project. Appears they are testing to see if the technology is appropriate. New EU project NGI TALER will bring private and secure online payments to the Eurozone