[aleph_minus_one]

> You could transition back to cash but there would be enormous switching costs

How much of a switch this would be depends a lot on the country: in quite some countries cash is the common method for payment:

> https://www.forex.se/en/travel/forex-index/cash-index/

> https://dailypassport.com/countries-that-still-rely-on-cash/

> https://www.travelex.com.au/travelex-hub/travel-inspiration/...