Too Long; Didn't Read
The first time many people heard of blockchain was through the famous TED talk on the topic by Don Tapscott, released in 2016, with almost 2 million views to date. But many promises in the blockchain industry were made, and few have kept. Instead of making a prediction that, given the mis-match of predictions with reality so far, I'll propose this: Learn about blockchain, and build something the world needs! The potential is obviously there, but the potential is still there.