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Stay away from "blockchain" or "crypto"! First, the blockchain use cases are few and far between. Illegal "darknet" markets selling drugs are the biggest use case of the biggest blockchain, Bitcoin. Distributed blockchains just doesn't make sense for most computational problems, and "blockchain" becomes the solution not for technical, but for marketing or legal reasons. Next, the strategies to make money off blockchains usually involve selling a mis-understood product to the next greater fool, and the blockchain industry has a really sketchy history of using pump and dump schemes to make money while leaving purchasers with useless products. Finally, I believe there is now a shift in opinion against blockchain: After the huge investments of late 2018/2018, a number of well known folks in tech have spoken out against blockchain. Right now, there are still a lot of people holding the bag, so to speak, including a lot VCs from 2018. I believe, based on the performance of blockchain companies and new regulation, that there won't be many new blockchain/crypto companies, although you never know. That said, the underlying technology that makes blockchain work is worth study in it's own right, and has industry applications: Distributed systems, databases, distributed consensus, cryptography, byzantine generals problem, et cetera. |