Projects such as Maker and Basis are attempts to achieve precisely this - creating crypto-currencies that can be accepted as if they were "real dollars” and are exchangeable for Fed-dollars on a one-to-one basis.
It's chillaxed at Spotify HQ. But the heat could be on when it IPOs next week. And investors may be in a sweat already over its latest figures for revenue growth targets. They're down for 2018 - to a range between 20 and 30 per cent - or an overall target of around five billion euros.