I can only hope that I continue to experience this 'doom' you...

I can only hope that I continue to experience this 'doom' you describe. I'll continue to fail upwards.

"and you know your money is safe, as it's guaranteed by a bank at all times."

Like in Cyprus

"Cryptocurrencies are doomed."

Correct. Bitcoin is a natural monopoly:







Source: The Economics and Ethics of Private Property by Hans-Hermann Hoppe