Rumour was cash would still be an option in form of Rainbow colored bills, which would have to be chipped. But having cash bills can keep some serious problems afloat. The QFS is to eliminate the hacking, scams, counterfeiting, and criminal activity by tracking every digital transaction on a blockchain ledger. The digital assets used for transactions are backed by precious metals and conform to ISO standards. There are 500 billion xrp digital coins. They are suppose to mint 500 billion gold coins. You can now see where this is going. Very soon, after a certain lawsuit is finally dispo’ed, The global banking swift system will be replaced by Ripple / XRP.
Not financial advice, but this is why certain people recommend XRP, physical gold and silver. This is why banks have been loading up on gold.

Thank you so much! I am mostly in the dark as finances were
not part of my "job". And.... now they are! 🙃
I have made some purchases based on my interpretation of things.
Hope it's right! Imma save this info! 👍