>>23288crypto are crappy "currencies", but only because they lack persistent value. Currency has two functions, 1) as wealth, and 2) as circulation medium. These function exceedingly well as circulation medium (other than that getting your hands on crypto is difficult for people who don't know how, and dealing with cypto especially when you have your own wallet and not a scam exchange "wallet" is annoying for tech-averse people which is most people) because the past alternative was, 1) mail cash or a check depending on level of shadiness, and then later 2) shady techno means like putting in your whole credit card details into an http site that may or may not steal your identity (or have your traffic sniffed), and later paypal which will freeze your account and steal your money if it thinks you engaged in moral wrongs (as defined by billionaires).
The only unique thing they do is restricted to anonymous cryptocurrencies like XMR. They are only useful when you want to buy things without it being tied to your legal identity. There are many reasons you might want to do this, and honestly, knowing the extent of the surveillance and preparedness for mass repression, commies should be supporting this. Lets start a petition for Verso to take monero 🤪
also: it will never be non-volatile, it's just not a great store of value. Gold doesn't age. Your ability to prove ownership of crypto ages as fast as you lose your passwords ;P And its value relies exclusively on collective belief. Metals e.g. have use value, but beyond that, they are more universal, they are turned to again and again as sources of value, whereas anyone can make a shitcoin and it will be forgotten in a week. Besides ones supported by real moneyed interests like big finance, the illicit drug industry, and computer criminals, their fungibility is not guaranteed at all. Demand for dense stores of wealth may come and go, but never leaves permanently (so far). But history will forget nearly all cryptocurrencies, making them horrible stores of wealth.