We seem to be rebounding now, but let's wait and see.
Polkadot is an interoperable parachain setup that many have been anticipating. I think it's going to be a BIG part of the future. Kusama is Polkadot's canary test network... and they are both holding crowdloan auctions to determine the first parachains. I've been holding DOT and KSM for over a year.