An obstacle to large-scale bitcoin mining is finding enough cheap energy to run the huge, power-gobbling computer arrays that create and transact cryptocurrency. One mining operation in central New York came up with a novel solution that has alarmed environmentalists.
A cryptocurrency transaction technically isn’t finalized until it’s added to the blockchain, which usually occurs within minutes. Once the transaction is finalized, it’s usually irreversible.

Regarding regulatory attention, in late June, the UK’s regulator, the FCA, issued a statement that “Binance Markets Limited is not permitted to undertake any regulated activity in the UK.”
— In a 1,500-word memo obtained by The New York Times over the weekend, the company’s top lobbyist, Nick Clegg, sought to rebut Haugen’s allegations ahead of her unveiling in an episode of “60 Minutes” on Sunday night. “Social media has had a big impact on society in recent years, and Facebook is often a place where much of this debate plays out,” he said in the memo, in which he called Haugen’s impending accusations, which included blaming Facebook for January’s insurrection at the Capitol, “misleading.” He wrote that “what evidence there is simply does not support the idea that Facebook, or social media more generally, is the primary cause of polarization.”