True. However if the $267,000,000,000 of Bitcoin value goes up in smoke it's very hard to imagine small investors will have any appetite for Ripple or any other cryptocurrency/blockchain play, no matter how useful it might be. That doesn't stop developers working on it, or companies incorporating it into new business models. But for it to see a major ramp-up, you absolutely have to have the average "bod in the street" piling in, and if Bitcoin flames out that won't happen. Of course, if companies behind other blockchain plays make a huge business out of whatever service they're using that particular blockchain variant to underpin, then those companies may end up being worth a lot (just like eBay, Amazon, Google etc. are very valuable companies). But that's still one to several orders of magnitude less than the cryptocurrency inflation itself.