Fig. 1

Historical series chart of bitcoin crash versus Δ% btc price.According to the dynamics between the curves, at moments when there is an increased Google interest in the term bitcoin crash, there is also a significant negative change in the bitcoin price. In 2013, one of the largest bitcoin brokerages, MtGox, was fraudulently attacked (Buterin, 2013), leading to market confusion regarding correct bitcoin pricing. The Bitcoin price dropped 50% during this week of system vulnerability, as did the hegemony of a few brokerage firms that were susceptible to such hacking activities. In December of that same year, the People's Bank of China banned financial institutions from trading in bitcoins, although it did not restrict use of bitcoins by individuals (Reuters, 2018). A week later, the BTC China Bitcoin brokerage firm disclosed that companies responsible for its clearing service were barred from offering the service and that deposits made in the local currency (yuan) would no longer be accepted (Kelion, 2018). These last two events resulted in a weekly decline of 48% in the Bitcoin price