Storage is not a new word. With the rapid development of Internet technology, enterprise storage and cloud storage have become the standard configuration of people’s work and life. At the same time, with the development and maturity of blockchain technology, the advantages and characteristics of blockchain storage have attracted much attention.

Blockchain storage refers to a decentralized storage system built with blockchain incentives. It is an effective combination of blockchain and storage system. Blockchain storage pools global storage nodes to build a large-scale global unified and shared storage pool. “Storage is a real economy in digital form, and its chain process can be completely controlled by code.

Moreover, distributed storage can enhance the reliability, availability and remote disaster tolerance of data by dispersing data in multiple places. In addition, storage also has the feature of de duplication, that is, the more users, the lower the cost, which is suitable for blockchain incentive. ” According to yottachain founder Wang Donglin, it is based on the above points that storage has become the best landing application scenario of blockchain technology. He also stressed that for non code and offline things, it will be very difficult to apply blockchain.

From the perspective of storage, there are mainly four types of storage in the industry: desktop storage, enterprise storage, cloud storage and blockchain storage. “The development process from desktop storage to cloud storage is a process of continuously improving data reliability. When the reliability of a single hard disk encounters a bottleneck, use multiple hard disks (desktop to enterprise), and when the reliability of a single server encounters a bottleneck, use multiple servers (enterprise to cloud storage).” Wang Donglin said that when it comes to blockchain storage, it is because the reliability of a single data center has encountered a bottleneck, so it adopts multiple data centers to store data on tens of millions of nodes around the world, so as to further improve the reliability of data and realize absolute security and reliability in the commercial sense.

The reporter of economic daily learned that compared with enterprise storage and cloud storage, the advantages of blockchain storage are mainly reflected in four aspects:

First, it is more reliable. Blockchain storage stores data on tens of millions of nodes around the world. Instead of using the multi copy mode, it uses a more advanced redundant coding mode. This effectively avoids the negative impact of single point of failure. In terms of hard disk failure alone, the reliability of blockchain storage is 10 times higher than that of cloud storage, and the comprehensive reliability is at least 10000 times higher.

Second, the availability of services is higher. Blockchain storage also improves the availability by distributing the load to local nodes. In terms of service availability, blockchain storage is at least 100 million times higher than cloud storage.

Third, the cost is lower. The fundamental reason for the low storage cost of blockchain is that blockchain technology has a good solution to the problem of removing data repetition rate. Through data De duplication, the cost can be reduced by 5-10 times. At the same time, blockchain storage can reduce data redundancy and reduce costs. In addition, the construction cost of each storage node is also low. It is reported that the edge node architecture adopted by the blockchain has low demand for hardware, which is much lower than the cost of building a centralized data storage center.

It is worth mentioning that industry experts point out that the edge storage system of blockchain does not need special cooling. The refrigeration of the centralized data storage center requires a special refrigeration system, and the energy consumption of this refrigeration system is about 0.5 to 1 times that of the server, which leads to a large amount of energy consumption costs. The edge nodes of the blockchain can be cooled naturally as a storage miner.

Fourth, remote disaster recovery is stronger. For traditional centralized storage, generally, the two places and three centers belong to the highest level of disaster recovery, and the construction cost is high, which is one of the reasons why the disaster recovery rate of many large enterprises and institutions in the world is very low. However, the “ten thousand places and ten thousand centers” feature of blockchain storage can significantly improve the level of disaster recovery and turn the “disaster recovery” of luxury goods in centralized storage into standard configuration.

It should be noted that in centralized storage, enterprises keep confidential data through internal control. However, in blockchain storage, the data is distributed all over the world, and the confidentiality problem cannot be solved through internal control. Therefore, the data must be encrypted. In this regard, Wang Donglin said that the technical core of blockchain storage lies in distributed architecture technology and cryptography technology. In his view, the combination of encryption and de duplication, two seemingly contradictory technologies, will become a decisive advantage for China’s blockchain project to break out from the world.

At the same time, we should also see the opportunities that 5g technology may bring to blockchain storage. Wang Donglin said: “although blockchain technology has many advantages, there is an obvious disadvantage: performance bottleneck. Centralized storage is far better than blockchain storage in performance. With the advent of 5g era, the high-speed and low latency characteristics of 5g technology will greatly improve the performance of blockchain and improve the performance problems caused by storage.

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