Tether Holdings Ltd., the issuer of the biggest stablecoin, said it invested $200 million in Blackrock Neurotech, a maker of brain-computer interface technology. Tether made the investment through its newly established venture capital arm Tether Evo, the company said in a statement on its website on Monday. The release didn’t say how much the deal values Salt Lake City-based Blackrock at. Brain-computer interface technology has been popularized by Elon Musk’s Neuralink Corp., which last month live-streamed an update to its implant that showed a quadriplegic man playing video cames using his mind. Read more: Musk’s ... (full story)