The Euro was introduced 23 years ago. It has successfully weathered one domestic crisis in addition to the dot-com bust and the 2008 US banking meltdown. Its exchange value has been stable and the Eurozone economies have fared better than, for example, the UK.
I'll take the Euro over any cryptocurrency any day, thanks.
On a PPP adjusted basis Italy/Spain/Portugal are no richer than they were 20 years ago. They can no longer devalue their currency like they used to when they ran into trouble.
I'll take the Euro over any cryptocurrency any day, thanks.