I'm a huge bear, but thinking its going to zero is crazy. Even beanie babies retain some value. And crypto still has utility as a transaction medium for illicit exchanges.
That said, I also don't believe it will go to zero because there's one thing it's great at.. speculation. It's an ingenious bit of technology that the general public doesn't really understand and so the greater fool theory will continue to prove true.
"Comment 1: Why BTC is worth exactly
Gold and other precious metals are largely maintenance free, do not degrade over an historical horizon, and do not require maintenance to refresh their physical properties over time.
Cryptocurrencies require a sustained amount of inter- est in them"