I'd like to cancel a cheque order probenecid The PetersonâÂÂs InstituteâÂÂs Posen isnâÂÂt buying that. To succeed, he says, bitcoin must become both a store of value for peopleâÂÂs savings and a much more widely accepted unit of account for transactions. But he says investors will be deterred by the extreme volatility from owning bitcoin and that for payments it lacks a key source of leverage enjoyed by currencies issued by the worldâÂÂs central banks: âÂÂYou can force someone to accept dollars as a unit of account but you canâÂÂt force them to accept bitcoin,â he said. 必須 2000文字以内 [bbs:youtube:(Youtubeの動画ID)]と書くとYoutubeの動画が貼れます。(例:[bbs:youtube:OQThUAQ0UN0])