Software testing of blockchain system

1. Well, there are too many exchange wallets, virtual mining machines, fomo 3D games, blockchain pets, shopping malls, traceability systems and so on

2. To help prevent novel coronavirus pneumonia, we should do a solid job in "six stability", fully implement the "six guarantees" task, and promote employment and expand jobs. Recently, the joint supervision and Administration Bureau of the Ministry of human resources and social security and the National Bureau of statistics have released a number of new occupation to the society recently. Including: "blockchain engineering and technical personnel", "urban management grid member", "Internet Marketer", "information security tester", "blockchain application operator", "online learning service engineer", "community health assistant", "ability evaluator for the elderly" and "additive manufacturing equipment operator". This is the third batch of new occupations issued since the promulgation of the people's Republic of China occupational classification dictionary (2015 Edition). In addition, five types of work, such as "live broadcast salesman" and "Internet information auditor", were released, and three types of work, such as "epidemic prevention", "disinfector" and "public health administrator" under the occupation of "public health assistant attendant", were upgraded to occupation
the Ministry of human resources and social security collected the new jobs from the public, organized the experts to evaluate and demonstrate the new jobs in strict accordance with the principles, standards and proceres of job classification, and publicized them to the public through Internet media. The new occupation occupation mainly involves novel coronavirus pneumonia areas, and the new format of adapting to the needs of employment and Entrepreneurship of graates. It also has the following characteristics to help the poor and the rural transfer workers. Second, the development of Internet technology has given birth to a variety of entrepreneurship and employment models; Third, the development of information technology puts forward new requirements for network credit and security
What do the two new blockchain professions do
in the notice on releasing professional information of blockchain engineers and technicians on the website of the Ministry of human resources and social security, the specific definitions and main tasks of blockchain engineers and technicians and blockchain application operators are defined
blockchain engineers and technicians refer to those engaged in blockchain architecture design, underlying technology, system application, system testing, system deployment, operation and maintenance. Main tasks:
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4. Design and develop blockchain performance evaluation indicators and tools
5. Handle the deployment, debugging, operation management and other issues in the application process of blockchain system
6. Provide blockchain technical consultation and services
blockchain application operator refers to the personnel who use blockchain technology and tools to engage in the application and operation of government affairs, finance, medical care, ecation, pension and other scene systems. Main tasks:
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4. Test the function, safety and stability of the system
5. Operate the system application on the blockchain service platform
6. Engaged in the monitoring, operation and maintenance of system application
7. Collect and summarize the problems in the application operation of the system
it is reported that the Ministry of human resources and social security, together with relevant departments (units), is accelerating the development of professional standards for new occupations, standardizing the practice of practitioners, comprehensively improving the quality and skills of practitioners, and laying a solid foundation for the construction of skilled talents.

3. Blockchain is a new application mode of distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and other computer technologies. The so-called consensus mechanism is a mathematical algorithm to establish trust and obtain interests between different nodes in the blockchain system.

4. There is nothing formal or informal about this, and the difference is only whether you have the technical strength to make the system you want and do it well. However, at present, the state has not issued any names about blockchain research and development, and all the types of blockchain research institutes are basically liars
in addition, if you want to make your own system, It is suggested that you can go to the development company to have a detailed look and make an investigation. This is the best way

5. At present, there are many blockchain development companies, such as Shengshi Huacai, which provide underlying technical services, and provide investment, mining, information and user-defined functions in combination with commercial systems. It's better to choose according to your own actual situation

6. Think with your pig brain, is this discount platform the father of game developer? Why did the game authorities give him such a low price? 6% off. Then who will go to the government to charge money? Do you think if you sell things in business, will you ask others to collect money for you? And if you sell something for ten yuan, he will give you five yuan to sell it and then give you four yuan. You understand that? What are you thinking. How can we get a 4.6% discount? It's simple. 1. The server of the game should be maintained by your platform. You pay for electricity, water, rent and employees' salaries. Pay for new activities, new roles, new maps and new plots. Responsible for the cost of game promotion, you come out, you find people to promote. Then I'll give you a 4.6% discount. Got it? And these discount platforms recharge virtual currency on their platform and then transfer to the game. Think about this routine. Take Netease, a big game manufacturer, for example, how dare he give a discount of 4.6 for so many games he represents? The game developer didn't beat him to death. If you really want to play the game discount, you can only go to the official website to recharge. Other people's game developers can't have made 10 yuan, let you go to other places to charge 10 yuan and then give him 4 yuan. The server group is with the developer. What data does your account login have that people can see. Is it difficult for the discount platform to make up 6 yuan for the 4 yuan you charged to the official? There is also a discount platform to buy the game. As I said above, the game developers develop the game, then sell the right to the game platform, and then they are responsible for maintenance. Then the game platform advertisement said, alas, this game is only 40% off. But the game is his. The original price is 4 yuan. I'll tell you 10 yuan. Now the discount is only 4 yuan. Do you understand this routine? And then you feel like you're making money. But when you enter the game, you will find that it's all V's and there are too many explosions. Then such a game opens once a few days. And then in the integration let you compare money. Even if it's 10% off, it's more expensive than playing games. Then you will find that those who don't have enough money will not play. Game platform to continue to open a few times, and then cut a few waves of leeks. Squeeze you dry, not many people in the game finished, she shut down, because the server is open, every day is to ask for money. But at this time, he has an excuse. He will say that the game was not developed by him, ha ha ha. He's just a discount platform. What do you do;

7.

bus line: No.503 → Jinbin Light Rail Metro Line 9 → No.109, the whole journey is about 41.9km

1. Walk about 240m from Xiangjiang Road to guanghuaqiao station

2. Take No.503, pass by 2 stations, and then reach Zhongshan Gate Station (or take no.872, 857, 830)

3. Walk about 80m to Zhongshan Gate Station

4. Take Jinbin Light Rail Metro Line 9, After 9 stops, you can reach Tanggu station

5, walk about 270 meters, reach foreign goods market station

6, take bus 109, pass 6 stops, reach Riverside Park Station

7, walk about 150 meters, and reach Tianjin Fifth Central Hospital

8.

February 24 (Xinhua) the security of encrypted digital currency assets is completely based on the security of the private key of encrypted digital wallet, which is the only digital asset certificate. Once the private key is created, it cannot be modified and reset. As long as the private key is not lost, the asset will not be lost. Therefore, the whole security topic of encrypted digital assets is around the storage and use of private key. For the light wallet mode used in mobile terminal wallet, the security of user terminal private key storage is a very core and key problem. If the design is improper, it may lead to the loss of private key and the theft of assets

Jaxx is another well-known mobile cryptocurrency wallet, which has a large number of functions, including supporting multiple currency types, as well as the recently added digital currency exchange platform, allowing users to exchange bitcoin, Ethernet and erc20 tokens in the wallet

when we check the data backup mechanism of Jaxx, we find a major security vulnerability, which is more serious than bitcoin wallet. In fact, the private key stored in Jaxx can be stolen by hackers with little effort

9. It's known that it's a Ponzi scheme. Whether the blockchain can be traded or not can be verified by the owner himself. My mother-in-law can't persuade her to do so. She claims that she will go public. After many investigations, I found that the so-called VR maker, namely shede alliance, does not exist. The only two remaining companies are
: China dream shede Group Co., Ltd., registered in Hong Kong, After investigation, it has been cancelled in June, 18, and has no business activities since its registration. TIANCHAO Network Technology Co., Ltd., registered in Shanghai, has a registered capital of only 2 million yuan. Since 2016, it has no relevant financial statements and tax payment records. It is a leather bag company. The website of blockchain company is Io terminated and belongs to the domain name of British Indian Ocean. The maintenance fee is only a few hundred yuan a year
behind the high returns, there are opportunities to kill. Please think twice before you act. If you have invested, I will not say

10. Shengshi Huacai bar, our company has cooperation with them
is a company with good technology and excellent service