But to understand the dynamic that led to this year’s depressing year for crypto, we actually should start a few years before 2018. In bitcoin’s early days, Mt. Gox was the go-to service for handling transactions. Then, in 2014, it halted transactions and slowly copped to a crypto-hack to the tune of $473 million, the biggest hack of its kind at the time, and it gave many people pause. But it was still early enough for people to believe that the blockchain system was still getting all the technical kinks out.
As noted elsewhere by a prominent author in the area [25], there is not a widely accepted or consistent definition of the term “bubble”. The GDASF test used here assumes a bubble is any time series interval which deviates from a random walk to become explosive.

Andrea Edwards has worked in marketing and communications all over the globe for 20 years, and is now focused on her passion – writing. A gifted communicator, strategist, writer and avid blogger, Andrea is Managing Director of SAJE, a digital communications agency, and The Writers Shop – a regional collaboration between the best business writers in Asia Pacific Main navigation Economics
Crypto Chase referred to the implications of sudden erratic price movements on exchanges, these serving to liquidate traders who should have retained their positions.