(Bloomberg) -- About 6,000 older Bitcoin mining machines in the US will soon be idled and sent to a warehouse in Colorado Springs where they’ll be refreshed and resold to buyers overseas looking to profit from mining in lower-cost environs. Most Read from BloombergRussia Mourns 133 Killed in Deadliest Moscow Attack in DecadesPutin Rejected Terror Alert Before Deadliest Attack in DecadesCatherine, Princess of Wales, Says She’s Being Treated for CancerHarassment and Drugs Have Plagued a Citi Divis