There are many blockchain application scenarios, most of which are used in traceability, certificate storage, multi-party certification and other fields.
Blockchain traceability can be used for agricultural product traceability, e-commerce order traceability, logistics traceability, factory production and processing link traceability, etc. Evidence can be used in judicial, copyright, transportation, environmental protection and other aspects. Multi-party certification is often used in government affairs, office halls, and joint promotional activities in shopping malls.
In addition to these applications, there are actually many niche areas that can also use blockchain. Here are a few examples. They are not common applications, but they can play the role of blockchain.
1. Blockchain-based lottery fortune-telling system
The principle of conventional lottery fortune-telling is very simple. If a user A has good luck during this period, he will have good luck in doing anything, and vice versa. So what if you catch a hint of luck?
In fact, the answer is very simple, just draw lots. This is the principle of fortune-telling by drawing lots. There are generally 5 types of lottery, namely upper lottery, upper lottery, winning lottery, lower lottery and lower lottery.
Generally, a person who has been lucky recently will often draw a lottery or lottery. And an unlucky person will often draw a lottery or a lottery.
There are many lottery signs in a lottery container. From a mathematical point of view, it is to take random numbers. However, this random number can reflect the user’s luck.
Generally speaking, in addition to writing “Shangshang Sign”, “Shang Sign”, “Win the Sign”, “Down Sign” and “Xia Xia Sign” on the sign, there will also be references to Yijing stories. That is to say, there is a sentence on each sign, which corresponds to a story in the Book of Changes. Therefore, there are usually 64 lots in the bamboo tube drawn by lots.
For example, Li Lei drew a “Sleepy Dragon Gets Water”, which is the top lottery. As for Han Meimei, who had drawn “Longmu Qiuyu”, she made a lottery.
If the blockchain method is adopted, the main core is actually the consensus mechanism. In this mechanism, one of the 64 signs is actually taken, which is still a random number in essence. Once the consensus is reached, the information will be uploaded to the chain, that is, the drawn results will be uploaded to the chain, thus realizing that the fortune-telling results of the lottery cannot be tampered with.
2. Blockchain-based weather network
People in our country can get weather information for free through TV, mobile APP and other means. But there are still dozens of countries in the world that do not have their own weather information network. These countries must obtain their own meteorological information from other countries through purchase. Therefore, exporting weather information is also a kind of international trade. But where there is trade, there is oppression, and some countries are even subject to economic sanctions from other countries, so that they must exchange resources, such as timber, oil, and natural gas, in exchange for weather forecast information.
The blockchain can break the situation where middlemen earn the difference, so that those countries that do not have independent weather information can unite to form an alliance chain, so as to obtain each other’s weather information for free.
The key to the meteorological blockchain lies in the meteorological nodes of the participating countries. Through the consensus mechanism, weather information can be uploaded to the chain. Participating countries can obtain meteorological information for free because they maintain a full ledger. To break the meteorological monopoly of big countries.
It can be seen that the blockchain is a very good choice for backward countries, and it is also the correct way to fight oppression.
3. Temporary file storage service based on blockchain
Many netizens have a need for temporary storage of files. The Firefox browser has also developed a service that encrypts files and burns them after reading. Although this is a niche demand, more and more organizations are trying to use blockchain for temporary file storage.
The simplest principle is to build a self-destroying blockchain system. Before the expiration, each node can upload the file to the chain through the consensus mechanism. When it expires, the consensus node will automatically destroy the previous block according to a new rule. Regenerate to continue providing temporary file business.
4. Blockchain-based disk file anti-retrieval system
Many scientific research institutions spend hundreds of millions of dollars every year to eliminate sensitive data in the disk, so as to ensure that the company’s core confidential data is not leaked. And for users who pay attention to personal privacy, they also have various methods to eliminate private data.
The most representative one is an application called fulldisk, which can prevent data retrieval software from retrieving deleted files by continuously filling up disk data.
The blockchain-based disk file anti-retrieval system actually uses the data of all nodes in the entire network to repeatedly write to the disk sector, so that the data will never be retrieved.
In addition to the few niche applications introduced in this article, there are many fields that also need blockchain, but they are even more niche. More application scenarios of the blockchain are still a process to be developed. I believe that the concept of “blockchain +” is properly used, and the application scenarios of “+blockchain” will blossom everywhere. .
Jura has been committed to the construction of the basic public chain and the development of blockchain application scenarios. I believe that in the near future, Jura can be seen in more application scenarios.
Responsible editor: ct