This seems kind of silly, like the underlying motivation is FOMO. Most money in industrialized countries is already digital: it exists only as a notation in a d

This seems kind of silly, like the underlying motivation is FOMO. Most money in industrialized countries is already digital: it exists only as a notation in a database somewhere. Especially in Britain, where use of debit cards for small purchases caught on early and in a big way, what problem would this hypothetical currency solve?