Cryptocurrency come into reality since the debut of Bitcoin in 2009. Although some think it represent the future, the currency in the digital time, others doubt the validity from the fundamental principles of economy as well as currency. Nevertheless, the phenomenal performance of Bitcoin landed into the most successful innovations in the century, and a series of developments afterwards that is changing the way we live. This paper looked into the key stages in the digital revolution and its latest event, in the name of DCEP, the central bank digital currency from China. The analysis covers both the impact and significances of Bitcoin, Stablecoin, Libra, DCEP as well as deficiency in some cases, and concludes that the trend started from Bitcoin will continue and the digital revolution for currency will lead the transformation of our civilization into the digital future. In the same time, a cooperation rather than competition internationally will benefit the technology mature and advance.