The line is not between crypto and fiat but between traceable and private.

Fiat cash is extremely handy as long as it exists and much more private than most of the popular crypto-payment processors.

program lead logos at the institute of free technology; core-organizer ethberlin & protocol berg; protocol engineering and decentralized infrastructure.

Vendors that accept only credit cards and reject private cash or crypto payments strongly infringe your privacy and you should call them out.

So, stop complaining about shops that don't accept credit cards and get used to carry cash every day.