MIAMI — There was money in the air. Buzzwords floated around, like NFT, BTD, blockchain, token. There was a frenzied energy.And there was heat — a humid, sticky South Florida heat; the kind all the Californians and New Yorkers who moved to Miami during the pandemic’s winter doldrums were warned about. The kind generated by thousands upon thousands of people gathering to worship at the altar of cryptocurrencies.Such was the vibe at Bitcoin 2021, an occasional gathering of digital currency enthusiasts run by a magazine named after the cryptocurrency. Last year’s event had been postponed. But on Friday and …
