Cash is King or is it Crypto (nite)?

European Union Euro and Economy Financial Services

A few weeks ago, I saw a sign stuck to the plastic screen dividing me from a barista. To précis, electronic payment preferred, cash as a last resort. When I politely enquired as to why, I was told, albeit politely, that whilst it was not "due to COVID" (no sensible business is still using that schtick are they?) despite the transaction cost, it was...