On January 1, 21st Century Business Herald published a paper "2019 of" Chain Gold ": Full Analysis of" Bank-Securities Guarantee "for Blockchain Technology Landing". The article said that, in general, the brokerage institutions are very cautious about the use of new technologies. At present, domestic fund companies are less involved in the blockchain. From the perspective of people in various industries, blockchain as an open source technology is actually not a high technical barrier, but blockchain is not only a technology, but also a new way of thinking. Therefore, it combines new ideas, new business models and the actual industry. is the most important. And now many application scenarios may not require the blockchain, and some are even for the blockchain.