Even though the cryptocurrency industry is not new to ups and downs, 2019 has turned out to be the year with the most surprising reveals. The long-lasting bear market of 2018 moved market analysts to call it the year of regulatory reckoning, leaving many jurisdictions uncertain about how to treat cryptocurrencies.However, 2019 also turned out to be the year of the comeback.

Enter the new year immediately，Why not review the hot topics of crypto in 2019？