Today, the "Economic Information Daily" published an analysis article entitled "The blockchain station is on the market and warns the risk of issuing coins and speculating coins". The article said that the positive factors will once again push the blockchain to the cusp, but the risk of speculating the blockchain concept is worthy of vigilance. Xu Mingxing, founding director of the China Blockchain Application Research Center, pointed out that based on its own transparency, non-tampering, decentralization and other characteristics, the blockchain will bring about a substantial change in the production relationship for the real economy, which is expected to be in the block. Chain + travel "blockchain + logistics" "blockchain + new retail" and many other aspects are promising. However, in view of the application of the blockchain in finance, especially in the currency field, many experts believe that it is time to verify. Xu Xing said that although there have been a lot of technical solutions to improve the performance of blockchain in the past few years, whether the performance of blockchain can support large-scale financial systems is still a question mark.