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Who knows, maybe in the future we'll have cryptocurrencies printed on paper while being backed by the true network value (and not some central bank printing money as they like). Sounds crazy, but who knows. As a matter of fact why not? Could be an idea for the developers to play with. I'm sure THAT would make banks and governments SUPER MAD and declare us outlaws bouahahahah.

There's an idea... then people could trade different coins or crypto notes without having to go through an online marketplace. It could also reduce the need for currency exchange (like USD for euros) when traveling if it caught on