How a lot the crypto explosion has helped Rockdale’s financial system is open to debate. For 50 years, Rockdale, with a inhabitants of about 5,600, was a company city, with a whole bunch of jobs at Alcoa’s close by coal mine and aluminum smelter. Its financial success even earned it the nickname “The Town Where It Rains Money” in a 1952 article by the Saturday Evening Post. But in 2008, Alcoa closed the mine and smelter, eliminating 1,200 jobs, and in 2018 the agency’s energy plant was shut down, including to these job losses.