How to apply blockchain to cold chain logistics

1.

From the perspective of technology and architecture, I will tell you my understanding of blockchain in common language

what is blockchain? In a word, blockchain is a storage system. To be more specific, blockchain is a distributed storage system without an administrator and each node has all the data

What are the common storage systems like

as shown in the figure above, the bottom is data, and the top can write data. A space to store data, a software to manage data, provide an interface to write data, this is the storage system. For example, MySQL is the most common storage system

What are the problems of ordinary storage system? There are at least two common problems

the first is the problem of non high availability. There is a dangerous place for data. In technical terms, data is not highly available

The second problem is that there is only one write point. In technical terms, it is a single point of control

How do ordinary storage systems usually solve these two problems

in fact, MySQL can do a master-slave synchronization of al master, master-slave synchronization of al master, two nodes can be written at the same time. If you want to do a multi room multi live data center, in fact, multi room multi live data synchronization. What we should emphasize here is that multi-point writing often leads to the consistency problem of writing conflicts. Take MySQL as an example, suppose that the attribute of a table is self incrementing ID, then the data in the database is 1234 now. If one of the nodes writes and inserts a piece of data, it may become 5, and then these 5 pieces of data are synchronized to another master node, Before synchronization, if another write node inserts a piece of data, a piece of data with self incrementing ID of 5 will be generated. Then, after the generation, synchronize to another node, and the synchronized data will conflict with the two local 5's after it arrives, which will lead to synchronization failure and write consistency conflict. This problem will occur in the case of multi-point writing

how to ensure consistency in multi-point writing

the reform "Swan class" gives you more technical work

2. The application of blockchain and logistics supply chain is now in the landing state, and the blockchain + mode is very popular. Changsha Information Instry Park has built a service platform project of SMIC blockchain, which is for enterprises to collect information on the chain, and to build a blockchain instry alliance.

3. Logistics instry is very suitable for the application of blockchain technology< In fact, logistics ecosystem is a community of interests composed of multiple participants. There is a concept of "flow" in the instry. Starting from the initial "business flow", it graally gave birth to "logistics", as well as the corresponding support of "capital flow" and "information flow"

there is a key problem behind the emergence of various "flows", that is, the transfer of commodity ownership. Many types of problems solved by blockchain technology are related to trust friction in the process of asset ownership transfer. Therefore, it can be concluded that the business scenario of multi flow integration in express logistics instry is very suitable for blockchain technology to play its value and effect. The application of blockchain technology can significantly improve the processing speed and efficiency of settlement business in express logistics instry, effectively solve the problem of traceability and anti-counterfeiting, and fully ensure the information security and the privacy of the sender and recipient. Next, I list four types of business scenarios suitable for the express logistics instry of blockchain technology

1) high value market. After digitizing high-value commodities, they are recorded on the blockchain to maintain asset ownership< 2) asset ownership transaction. After the assets are digitized, they are recorded on the blockchain for the record management of the asset transaction process

3) shared data scenario. Participants sharing data in the instry record these shared data in the form of blockchain ledger

4) compliance audit. The blockchain records the transactions within and between enterprises with non tamperable and traceable data. The compliance audit requires the input of these high-quality data, so it can be more rapid and efficient in technology
for more details, please go to the Internet to search for good luck~

4. Bitcoin is characterized by decentralization. As long as you have a network and can use your wallet, you can use it regardless of national boundaries. If you don't understand, maybe you can go to Babbitt to find a master.

5. 1) It depends on how much money you have, not to mention the competition in small county towns. What do you know? If you just watch others do well and start blindly, you will end up in failure
2) the miner is very good. As long as you are not afraid of hardship, you can earn more than 2000 yuan a month. The paper mill is around 1500, but the work is brisk and there are too many frames. The salary of the refrigeration plant is about 2000 yuan, but sometimes they often work overtime. The salary of modern plastics is also very high, especially for those who look at machines and can reach 4000 yuan, which is just too tired. Shengtai is about 1500 yuan. It's not very tired to work. These are relatively large enterprises. Please refer to them yourself.

6. Blockchain technology is a decentralized consensus mechanism to maintain a complete, distributed and tamperable ledger database technology, so as to achieve the function of credit system remodeling and credit tracking
the application of regional chain technology in contract logistics can help enterprises solve the practical problems such as the difficulty in confirming the right, transferring and financing of accounts receivable.

7. Accompanying payment takes advantage of the three advantages of blockchain, namely, authenticity, non tampering and data traceability, to transfer the multi-dimensional business data, financial data and legal documents generated in the whole vehicle logistics and transportation to the chain, and to build a complete credit system for the whole vehicle logistics supply chain, so as to solve the problem of confirmation and transfer of enterprise accounts receivable, At present, many small and medium-sized contract logistics enterprises have benefited from it.

8. Maybe some of them use their own wallets on the platform. The reason why wallets and wallets have different addresses