Ray Dalio, Founder of Bridgewater (world's largest hedge fund) just said in Reddit AMA:
"I think that #Bitcoin (and some other digital currencies) have over the last ten years established themselves as interesting gold-like asset alternatives."— link
Bitcoin S2F (time series only) model. BTC price (red dots) moves nicely towards model line (white line), just like 2017 and 2013. And .. do I see a little orange? — link