Conditions are fit for a raise in Emergency Liquidity Assistance
A 2008-style bank run seems unlikely, but if it did happen, the sector is much better prepared.
Closing banks and restricting the flow of capital can build pressure for a solution as finances get squeezed.
Greek Finance Minister Yanis Varoufakis announced his resignation on Monday, a day after Greeks delivered a resounding 'No' to the conditions of a rescue package.
The IMF dashed any hope that Athens could avert default.
Greek proposals hailed as "a positive step forward".