you can play with words all you like but that will never change any facts about bitcoin.
bitcoin matches the definition of a currency, a medium of exchange and a payment system perfectly well
https://en.wikipedia.org/wiki/Currency and it has been designed to do that in a decentralized manner and has been doing exactly that in the past 10 years.
system of the future currency is only in the form of notes there is no real impact, but indeed like that advanced technology, if we do not want to keep abreast of the times, we will be eliminated in the world of trade, because the trading system is now how to pay it rarely use money cash, so for those of you who don't want to follow or understand bitcoin, you can be sure to be left behind by currency technology, which is now experiencing a transition, towards the digital era.