With the rise of the digital economy and the evolution of the global financial system, cryptocurrency and blockchain technologies have transformed the traditional finance and led the trend of the new financial system. Since the advent of Bitcoin in 2008, the technology has not only played an important role in ensuring transparency and security of transactions, but also boosted the development of thousands of cryptocurrencies, broadening its applications in cross-border payments, smart contracts and other areas. As the technology matures and the regulatory environment improves, cryptocurrencies and blockchain are expected to be deeply integrated into the traditional economy, bringing profound change and infinite possibilities to the global economy.