At the beginning of the month, Bitcoin dropped to a three-month low of $46,500 in a market-wide flash crash that wiped over 18% of its value in a matter of hours.According to a report from analytics company Santiment, a spike in an often-overlooked metric preceded both this month’s crash and last year’s March sell-off and could be used to predict future price swings.Tracking … [Read more...] about This key metric correlates with Bitcoin’s largest price drops