The crypto craze has caused more than a few companies that nothing to do with the virtual currency to pivot. And now at least one might be sobering up. Well, sort of. Late last year, Long Island Iced Tea Corp.—whose business has been selling non-alcoholic beverages—saw its shares rise six-fold after rebranding itself Long Blockchain Corp. The company said at the time that it planned to partner or invest in companies that develop the decentralized ledgers known as blockchain, the technology...