With inflation running riot worldwide using fiat currency we would end up going to the shops with a wheel-barrow of money to pay (possible theft along the way)
Using cards was a great step forward in fiat currency, sadly bank fees went up alongside more inflation making the system of modern being developed on antiquated systems, enabling 'fat cats' getting rich.
Blockchain technology I do believe is the first good move made in decades, will support this idea not only in cryptocurrencies, contracts with other great inventions on the horizon.
Well said, I totally agree with your opinion, and day by day more and more people from all corners of the world start thinking the same!