[41]  So, as they put it, even if the network still uses official fiat currencies as a unit of account and to back the payment instrument, that instrument cannot be used for transactions and exchanges outside the network. [42] Gresham's law is a monetary principle stating that “bad money drives out good”.
We are looking forward to a solution that can reassure markets, restore confidence in the dynamics of public debt, allow the full involvement of the IMF in the programme – which would enhance the programme’s credibility – and restore market access for Greece ahead of the end of the programme in July 2018, while not undermining the reform effort.