[motohagiography]

offline mode has been the limiting factor in almost all electronic payments. there was a convention where the single use keys became limited use keys so that cards could make offline payments in low amounts that could be reconciled later. it created a risk and a vulnerability to be managed, and there was at least one exploit against it if I remember correctly.

imo, the mandate creates an interesting technical constraint on any CBDC standard, where the offline mode limits the effectiveness of a "turn off" of someone's money, as there will always be some feature where they can use their money to buy food and fuel. For now I am interpreting this mandate as constructive to civil liberties.