However between Nov. 9 and Dec. 22, money flows from bitcoin mining utilizing Bitmain’s Antminer S19 have decreased by 36%, Jaran Mellerud, a researcher at Norway-based Arcane, advised CoinDesk. For the S9 they’ve dropped 50%, he mentioned. Mellerud attributed the slide to “a 28% drop within the bitcoin value over the identical interval, coupled with a 12% enhance in [mining] issue.”