KuWo music into blockchain

1. Explain blockchain with scientific language -- blockchain is a permanent and irreversible modified record generated by stacking (chain) encrypted data (blocks) in chronological order. It is a kind of credit certificate formed by computer encryption technology, that is to say, blockchain technology is a mechanism to solve the trust problem of strangers. Generally speaking, when there is no trusted third party, all transaction data will be stored in a data block, and the transaction information will form a complete chain to be included in the block chain. Then all data will be generated by computer encryption, which is a more reliable ultimate solution than the trusted third party

one of the characteristics of blockchain is decentralization, and the other is that it cannot be tampered with. Bitcoin, lightcoin, Ethereum and decent are all like this.

2.

What is CE mark

in recent years, CE mark is used more and more in the market of European Economic Area (European Union, member countries of European Free Trade Association, except Switzerland). The procts with CE mark indicate that they meet the requirements of a series of European directives, such as safety, health, environmental protection and consumer protection

What does the letter CE mean

In the past, EC countries had different requirements for the import and sale of procts, and the procts manufactured according to one country's standards could not be listed in other countries. As part of the efforts to eliminate trade barriers, CE came into being. Therefore, CE stands for the unity of Europe. As a matter of fact, CE is also the & quot; EC & quot; The abbreviation of this phrase originally used the English phrase European community to be abbreviated as EC. Later, because the European Community in French is communicate europeia, Italian is com UNITA Europea, Portuguese is com unitade europeia, Spanish is com unitade Europe and so on, EC is changed to CE. Of course, CE can also be regarded as conformity with European (demand)

What is the significance of CE mark?

the significance of CE mark lies in: using CE abbreviations as symbols to indicate that the procts with CE mark comply with the essential requirements of relevant European directives, and to confirm that the procts have passed the corresponding conformity assessment proceres and / or the manufacturer's declaration of conformity, It really becomes the pass for procts to be allowed to enter the EC market. The instrial procts with CE mark required by the relevant directive shall not be put on the market without CE mark. If the procts with CE mark are found not to meet the safety requirements, they shall be ordered to withdraw from the market. If they continue to violate the relevant provisions of the directive, they will be restricted or prohibited from entering the EU market or forced to withdraw from the market

3. I would like to ask Taobao market research, how to do is very simple, according to Tao Taoming questionnaire.

4. In December 2016, the State Council issued the 13th five year plan for national informatization, which included blockchain in the plan for the first time to promote the development of blockchain technology in China. At present, the country has affirmed the blockchain technology itself and is vigorously developing it. Some first tier cities, such as Beijing, plaza and Shenzhen, also have strong support policies for indivial blockchain projects. The maximum amount of support for a single project is no more than 5 million yuan in Beijing, no more than 3 million yuan in Guangzhou and no more than 2 million yuan in Shenzhen. On April 9, "China Hangzhou blockchain Instrial Park" was officially launched, and the first batch of ten blockchain science and technology projects successfully signed collective contracts. The conference also announced the establishment of "xiongan global blockchain 10 billion innovation fund" and the preparation of "Zhejiang xiongan blockchain Strategic Development Research Institute".

5.

Cool chain wallet is the mining application of KuWo music based on blockchain. At present, it belongs to the internal test stage. From the picture, we can see that the number of internal test recruitment activities is full

it should be a round of update, and you have to wait for the next opening to enter

6. Pe8fgh, this is the symbiotic coin invitation code. There are 10 places left