Front end blockchain

1. As we all know, there are many blockchain projects. The common ones are: mobile phone mining, digital currency development (token), digital currency exchange, digital currency wallet, blockchain mall, blockchain pet cultivation, blockchain games...
blockchain development needs to be determined according to the development methods and functions. Customized development is expensive, and it will be very expensive if there are many and complex functions, Therefore, this specific price can only be expressed in a specific scheme.

2. In one sentence, it is decentralization
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
in a narrow sense, blockchain is a kind of chain data structure that combines data blocks in chronological order in a sequential way, and it can not be tampered with and forged by cryptography
broadly speaking, blockchain technology is a new distributed infrastructure and computing method, which uses blockchain data structure to verify and store data, uses distributed node consensus algorithm to generate and update data, uses cryptography to ensure the security of data transmission and access, and uses intelligent contract composed of automated script code to program and operate data< Advantages:
1) the algorithm is simple and easy to implement
2) there is no need to exchange additional information between nodes to reach a consensus
3) it takes a lot of cost to destroy the system< Disadvantages:
1) waste of energy
2) it is difficult to shorten the block confirmation time
3) the new blockchain must find a different hash algorithm, otherwise it will face bitcoin attack
4) it is easy to generate bifurcation and needs to wait for multiple confirmations
5) there is no finality, and checkpoint mechanism is needed to make up for it.

3. This is determined by your programming level. At present, the level of domestic programmers is basically a pyramid structure, and most of them are middle-level programmers. From this point of view, it is basically impossible for most people to learn functional programming. One of the most important reasons for choosing go is that a middle-level programmer can write very good go code. The main reason is that go language is very simple, features are very few, and the official class library is very rich. Most programmers can easily start to develop it. Chain33 blockchain developer platform, a well-known domestic open source project, is completely completed by go. There are many mature blockchain technologies in China, such as micro three cloud, etc., which will not be repeated here.

4. Increase in proportion to the total volume of border trade; RMB is becoming the currency in circulation in the border areas of neighboring countries in Yunnan Province; RMB has become the main settlement currency of border trade in Yunnan Province; Yunnan is China. What do you say

5. GT has no erc20 token on Ethereum

6. In what area

7. be necessary! The premise is that economic conditions permit
confinement in the confinement center is concive to maternal physical recovery. Confinement in the confinement center can prevent postpartum depression, and the baby can also be taken care of comprehensively. After childbirth, post-90s mothers are worried about skin yellowing, body deformation, pregnancy marks and so on. The confinement center has special nursing staff to take care of them, so they should be more careful.

8. The answers are as follows:

applications are as follows:
1. Mobile development direction
2. Blockchain research and development direction
3. Internet of things direction
4. Back end development direction
5. Front end development direction
6. Shangxuetang has systematic and complete blockchain video
please adopt!

9. Those who are familiar with front-end development should know that in recent years, various front-end frameworks have emerged one after another, H5 development mode has become more and more popular, and the era of big front-end has come
every year, a variety of front-end technologies emerge as the times require, and quickly mastering the latest front-end technologies is also an indispensable skill for every developer. Today, let's talk about the five trends of web development, hoping to bring you some useful information
1. Chatbot provides a new channel for user communication and service delivery. It is also called intelligent agent because it usually integrates artificial intelligence technology
through artificial intelligence, all problems and doubts of customers can be solved in the best way, greatly improving customer service efficiency and satisfaction. In the next few years, websites, especially the intelligent chat robots of transactional websites, will be popular all over the world. The reason is very simple, which can improve the conversion rate
2. The main reason why progressive web applications
surpass the web is better performance, function and experience. The goal of progressive web applications is to provide proct experience close to app. Progressive web applications provide the same functions as mobile applications, such as offline support. The advantage is that they are available everywhere, and there is no need to download from app
store or play store store
although progressive web applications are still inseparable from browsers, they are suitable for all users, because these web applications are built and improved based on open web standards. This cross platform and hot iteration attribute makes web applications more attractive than closed app development in highly uncertain market environment
3. Web development of Internet of things
we are entering a new era of front-end web design, and the design of website needs to consider the functions of intelligent devices. The Internet of things will promote the design of e-commerce website to a new level
the development of Internet of things (IOT) web appears with the web management of traditional software management. The purpose is to manage traditional controllable intelligent devices through web means, display and control the technology of these intelligent devices through the media of web, and control these intelligent devices to accomplish things that are not easy for human beings, although it is still relatively far away at present
4. Static website generator
static website generator is used to develop Archival Websites Based on simple text. In many cases, the static website created by static website generator has the advantages of faster loading speed, better security and easy traffic management
5. Blockchain web development
blockchain is in the landing stage, the first thing to be solved is the accessibility of blockchain applications, and Web3.0 technology will open the door to blockchain (closed systems such as wechat and Facebook obviously will not show mercy to subversive third-party blockchain developers), and opera even can't wait to launch a blockchain browser. In the future, there will be more and more web proct integration, and the security and browser compatibility of blockchain applications (such as wallets and dapps) will be the focus of blockchain web development.