With the development of Ethereum and the enhancement of the smart contracts, developers are increasingly involved in the construction of the open-source community, and achieved their ideals using the smart contract. In just a few years since Ethereum Network launched, DApp (Decentralized Application) has exploded rapidly. As of December 1st, 2020, there were in total of 14,161 smart contracts on Ethereum, 5,714 of DApps, and $1.2 billion in one-day transactions of DApps.