Plus it's virtual and depends entire on a frail and unprotected platform to exist. If you care to learn just how frail and unprotected the entire Internet infrastructure is read "Tubes" by Andrew Blum and you will be shocked at how vulnerable the entire infrastructure is to an outage both natural and man-made.
Russian submarines have been detected numerous times cruising the depths along the trans Atlantic cabling that gives value to Bitcoin, crypto, and life as we know it on planet Earth.
Plus Central Banks and the IMF are not going to allow currencies to exist that they can't control. I am sure they are formulating plans to at some point in the future make moves to eliminate "independent" cryptocurrencies and phase in their own.
There is too much at stake for Gov'ts to allow the existence of a form of currency they can't control.
The IMF already has a form of virtual currency called Special Drawing Rights (SDR) and have used it in the past as an experiment.
Truly public cryptos days are numbered so folks have to take advantage while they can.
All it takes is the stroke of a legislative pen or two and cryptos other than Gov't sanctioned, are outlawed.