Categories Articles Bitcoin on track for biggest weekly fall since September as Janet Yellen and ‘double spend’ report spook speculators Post author By crystalg Post date January 23, 2021 Business Insider Business Insider Tags Biggest, Bitcoin, Double, fall, Janet, Report, September, Since, speculators, Spend, spook, track, Weekly, Yellen ← Fear? Answering These 7 Questions Will Help You Take the Big Leap → Insect insomnia: Common pesticide keeping bees, flies up at night