Recently, V God said in an interview that the development of Ethereum in 2018 is very slow. In response to the ecological development of Ethereum in 2018, the community has been criticized for certain reasons. However, the development speed of Ethereum has been increasing recently, and many developers are Study the Ethereum 2.0 technical specifications and Layer 2 expansion solutions such as Plasma, State Channels and SNARKs/STARKs. In 2018, the Ethereum Foundation took many steps to improve the overall development speed. After a long period of tempering, the teams have now reached the highest level of productivity. At the same time, V God said that Ethereum's current biggest challenge lies in the two levels of scalability and consensus algorithms.