Since last year, the concept of blockchain has caused a lot of people to be free and wealthy, and a large group of people have swarmed. In the end, perhaps the "chives" on this land have been reaped and destroyed, and the ecological environment has been destroyed. Today, blockchain has become a topic that many investors can't avoid. So, what is left of the blockchain when it is over? There is no doubt that if the blockchain is an amazing technology, no one will object, but if the blockchain is a great invention that changes humanity, there are still doubts. In a nutshell, as a decentralized blockchain of distributed storage technology, a relatively perfect solution can be given in many scenarios, such as social, food traceability, etc., but at the current state of the art. To achieve these technologies, it is not realistic in a short time. Blockchain technology has been around for 10 years since the 2008 Bitcoin white paper, but for most people, blockchain remains a mystery. Unknown things always make people feel awe and curious, this kind of mentality is reflected in the investment is blind follow-up, and huge tuition, and finally turned around and spit back. Although I hate it, for the blockchain, many people have turned from the impression of the rich opportunity to a purely fraudulent means, which is equivalent to going from one extreme to the other. Fortunately, the technology of the blockchain itself is enough for the people who understand it to persist, and the exaggeration of the cryptocurrency after the precipitation is the real value. Why blockchain technology is an amazing technology because it solves a key problem for us - trust. As the saying goes, there are rivers and lakes in some places. This shows from the side that in addition to ordinary communication, there must be the existence of trust, and trust is the beginning of everything. For example, if we enter the retail store to shop, there will be a trust in the shopping process. We believe in the authenticity of the item, and the owner believes that the consumer will pay. Of course, this simple trust lies in the maintenance of law and monitoring. If there is no such thing, then every transaction will bring unknowns. The trust mechanism of the blockchain is different from the others. It is a system-level contract, which is equivalent to machine trust. The two parties only need to complete the contract and get the items they have traded. The contract created by the chain is simple but mandatory. If the exaggeration is said, the middleman of the transaction is guaranteed by "God" and the "God" is absolutely fair and unselfish. Since the issue of trust has been resolved, the application of the blockchain can be extended to the entire industry that needs to be trusted. For example, online shopping, education, logistics, etc., can use the blockchain. However, when it is necessary to apply to the actual scenario, it still needs to solve many difficulties. For example, although the blockchain can solve the trust of both parties and does not require the intervention of a third party, all of this is based on the fact that these transaction data are stored in each block. That is, participate in the storage space of each user of the blockchain. This can lead to extremely rapid expansion of data when the transaction size is too large, so the storage requirements are very high, and when the data is too large, it will slow down the transaction process. Therefore, if these two problems are not solved, the blockchain can only be used in a small range, and it is impossible to carry out large-scale layout. In addition to technology, the development of blockchain has been hampered in many ways. First, there is currently no real blockchain application that can solve real life problems, although many directions have been provided in the above, but In actual use, it still takes time to precipitate. Second is the lack of supervision. Although the market chaos will promote the barbaric growth of technology in some respects, it will cause adverse conditions for future management. Therefore, it is healthy and necessary to introduce relevant policies to impose certain constraints on the blockchain market. Finally, there is a talent problem. Since the development of the blockchain, many companies have begun to recruit high-paying blockchain talents, but many people who understand the blockchain have only discovered simple digital currency knowledge or published relevant white papers. However, the real situation of the blockchain is not very good. Under such a large environment, how to make a real blockchain can only rely on time to promote the arrival of a new generation of technical talents. Fortunately, some colleges and universities in the country have updated the curriculum with the times, and added the blockchain to enable these outstanding students to get the latest technology when they are on campus. For example, on March 27 this year, Tsinghua University has opened a 7-15 week blockchain open course “赛åšæ™ºèƒ½ç»æµŽä¸Žå—å—链â€. The whole course covers a wide range, including the P2P principle of blockchain. Data storage, asymmetric encryption, visual automation contracts, and more help students build a distributed, holistic worldview. At the same time, Tsinghua University has also established a blockchain financial research center and organized a blockchain national college league to promote the application of blockchain technology in various vertical fields and business model innovation, and accelerate the popularization of blockchain in the commercial field. Promote the combination of scientific research innovation and application of blockchain. Zhejiang University will also open the course of “Blockchain and Digital Currency†for undergraduates and postgraduates this autumn. Xi’an University of Electronic Science and Technology has officially incorporated “Blockchain Technology Principles and Open Practice†into undergraduate courses, as well as the University of International Business and Economics. Beijing University of Aeronautics and Astronautics has set up courses related to the blockchain to train multi-disciplinary talents with blockchain thinking and industry analysis and application capabilities. The blockchain has never been the exclusive term for digital currency. It is just a technology, an invention that can change the way we trade, and even change the structure of society in the future. Its advantages are obvious, but at the same time the disadvantages are in this way. We don't need to over-throw the blockchain, but we don't have to demonize it. There is always nothing wrong with watching a new technology with a cautious and optimistic attitude. After the baptism of digital cryptocurrency, the blockchain is believed to be more dazzling in the future. After all, a piece of Baoyu needs to be polished before it will be worthless.
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