How long does the blockchain go up

1. The time limit for developing a blockchain application app, such as starting technology, is estimated according to the functionality of the app. Generally, the development time is about 2-3 months, and the specific time is estimated according to the needs of customers, mainly the development time. If the functions are multiple and more complex, there will be more things to develop and design, and the time will be longer. For example, in another case, the existing source code can meet the requirements, and only need to add or modify some functions will be very fast.

2. Depending on your basic level, if you have a certain technical foundation for development, it is relatively easy to learn
"chainman College" offers short weekend technical training courses for colleges with a certain programming foundation. You can investigate them and ask about your situation.

3.

China has started to establish a national standard for blockchain to promote the construction of blockchain standard system from top-level design, which is expected to be completed by the end of 2019 at the earliest

in this regard, Zhao Wu, founder of Beijing Huashun Xin'an Technology Co., Ltd., also said that although the blockchain has disruptive technology potential, we must realize that the blockchain is still in its infancy, far from reaching the stage of subverting the world

Yu Kequn stressed that the independent and controllable blockchain network is intended not to be controlled by others technically, but also to promote the healthy development of blockchain. Security is the future life of blockchain. Only its own security can make blockchain technology landing. This requires us to pay equal attention to the development of blockchain technology and its security attributes, even ahead of time

in this regard, Li Ming also said that an important part of the standard is the information security standard, which can also see the importance of security to blockchain technology. He also pointed out that the development of blockchain standards does not mean that it will rapidly promote the development of the instry, but give the instry certain guidance. Previously, China has suffered a lot in terms of international intellectual property rights and standards. In terms of blockchain, China has formed more than 200 patents in terms of international blockchain, and even stands in the forefront of world technology. Therefore, we also need to firmly grasp our right to speak

content source: Xinhuanet

4. A timestamp, usually a sequence of characters, uniquely identifies the time of a moment. Digital time stamp technology is a variant of digital signature technology
time stamp refers to the total number of seconds from 00:00:00 GMT on January 1, 1970 (Beijing time: 08:00:00 GMT on January 1, 1970) to now
to put it simply, a time stamp in a blockchain means that whatever happens at a certain time will be recorded on the blockchain. For example, the blockchain content publishing platform decent, when someone publishes some information on it, the information will be recorded from the moment of release, which can't be changed. The time of occurrence is fixed and can't be changed.

5. Look at the name, I think it's a bit hanging, be careful to be cheated; Now many places are cheating under the guise of blockchain.

6. With the increase of currency value, it will rise by a single step, only rising but not falling; Intelligent mining adopts the intelligent contract algorithm of POS Ethereum; Link mining, a link is a node

7. I am a relevant person in the blockchain instry and can answer your questions. Blockchain first expanded from the field of encrypted digital currency to other fields. For example, the financial instry is now maturing
other areas are also under exploration, such as Shanghai wangchain technology, which has applied blockchain to agriculture, finance, food and other instries.

8. What is the longest chain? Why the right blockchain
according to the white paper of bitcoin, nodes always think that the longest chain is the right blockchain and will continue to extend on it. All miners are mining on the longest chain, which is concive to the uniqueness of blockchain ledger. If the bitcoin transaction transferred to you is not recorded on the longest chain, you may face property losses
what is the "longest blockchain"? Because the miners all over the world are mining at the same time, it is possible that two miners can work out the correct answer at the same time, then the blockchain will form a fork, and the remaining miners may continue to mine on any fork, extending the blockchain
therefore, we usually require that after the bitcoin transfer is packaged, we need to go through the confirmation of six blocks to ensure that the miners will not go back to the other branch to excavate, then the real transfer is successful.