Even the euro faces internal political challenges, the yuan is not completely convertible and cryptocurrencies are very volatile and lightly controlled for major state use.
[/quo

Don't get it misinformed Op, a bitcoin or crypto regulatory regions is only entitled to regular the counterpart of the  crypto ecosystem that affiliates with the traditional currencies such as the centralized exchanges on the features of exchanging digital assets to the fiats on p2p.
While the crypto architectural decentralization of the blockchains remains unregulated. That means transactions can still be performed on other platforms such as non custodial platforms but basically cryptocurrencies transactions without the need of exchange to the fiats.

With all being said about the geopolitical sentiments and the devaluing of the traditional currencies is why we enthusiasts believe bitcoin specifically will be a future global currency since it can't be manipulated like the Euro, Usd, Yuan and the rest of the global reserve currencies.