In the digital currency market, Bitcoin has always been the most representative existence. As the first digital currency to apply blockchain technology, Bitcoin has always attracted much attention for its scarcity and decentralization. In 2020, Bitcoin once again set off an investment boom, and its price once soared to a record high. The potential of Bitcoin lies in its unique value storage attribute, similar to "digital gold", which is favored by investors. However, Bitcoin also has disadvantages such as large price fluctuations and slow transaction speeds, which limit its application in actual payments.

On the other hand, Ethereum, as a smart contract and decentralized application platform, has also attracted much attention. Ethereum not only has the attributes of a digital currency, but is also a platform that supports the development of decentralized applications. In 2020, with the rise of the concept of DeFi (decentralized finance), Ethereum became the preferred platform for DeFi projects, driving its price to continue to rise. Ethereum's potential lies in its rich application scenarios and active developer community, which provide a solid foundation for the development of the digital economy. However, Ethereum network congestion and high gas fees remain challenges.

In addition, Litecoin, as a derivative of Bitcoin, also showed certain potential in 2020. Litecoin has obvious advantages in transaction speed and handling fees, and is regarded as a digital currency more suitable for daily payments. In 2020, with the increase in demand for digital payments, Litecoin gradually attracted market attention. However, Litecoin's popularity and application scenarios are relatively narrow, which limits its further development.

Among mainstream currencies, Ripple has attracted many institutional clients with its fast cross-border payments and low costs. In 2020, Ripple cooperated with a number of banks and financial institutions to promote its global promotion. Ripple's potential lies in the blockchain payment network it has established, which provides a more efficient solution for the traditional financial system. However, Ripple is also affected by regulatory uncertainty and insufficient market liquidity, and still needs to make breakthroughs.

In summary, mainstream currencies have great potential in 2020, but each has its own advantages and disadvantages. Bitcoin as digital gold, Ethereum as a smart contract platform, Litecoin as a daily payment currency, and Ripple as a cross-border payment solution, each with its own characteristics. Investors should choose the appropriate mainstream currency for investment according to their own needs and risk preferences to seize the future development opportunities of the digital economy. In the world of digital currency, changes are unpredictable. Only by constantly learning and adjusting investment strategies can we seize the mainstream currency with huge potential and achieve the goal of wealth appreciation.

The four most famous international exchanges:

Binance INTL	OKX INTL	Gate.io INTL	Huobi INTL
China Line　APP DL	China Line　APP DL	China Line　APP DL	China Line　APP DL

Note: The above exchange logo is the official website registration link, and the text is the APP download link.