it's simple, on crypto there is no tax to transaction and fast to use!
its better than use bank account, you must pay some charge , like tax, admin charge, etc
you can save your money with USDT if you don't want your asset fluctuate!
as i se, crypto is more easily
*In case you need to transfer money abroad, it might help you to save some fees.
*) You can use cryptocurrencies when you are abroad and do not want to bother about using a local currency.
Other than that, there are not many advantages of cryptocurrencies at the moment in comparison to traditional forms of payment using fiat money. However, this mostly pertains to their payment function and does not take into account the underlying "philosophy", which one might like or not.