Blockchain 100 questions currency

1. Do you want to learn blockchain development technology or just want to know what blockchain is? If it is the former, you can look at the code of other blockchain projects and learn about it first. If it is the latter, we can pay attention to some good blockchain we media. Blockchain is an emerging instry. There is no ready-made training course. It depends on self exploration and understanding.

2. So what are nodes
a node is a network node in the blockchain distributed ledger system. By connecting servers, computers and other devices through the network, different types of blockchains have different ways to become nodes. For example, bitcoin participates in trading and mining, and EOS participates in election campaign to become a node
the following is what is a bitcoin full node
bitcoin full node is the node that downloads and preserves complete blockchain data by loading bitcoin clients (including bitcoin unlimited and bitcoin)
because of the congestion of the blockchain transaction network, the author solves the problem by adjusting the broadcast communication, information encryption and decryption, consensus mechanism and transaction verification mechanism. In the whole bitcoin network, from miners to ordinary users can be regarded as a node in the bitcoin network, but because bitcoin has the characteristics of multi centralization, In the whole network, its important role is "bitcoin all nodes."

3. The application of blockchain is token. It can be said that digital currency can make money, but it varies from person to person. Digital currency is an investment proct in China, and there is a great risk. In the digital money market, there are some people who make money, but there are also many people who lose money. Those who lose money eventually cut the flesh and leave the market. Those who make money at the beginning also slowly cut the flesh and leave the market, especially those who invest in marketing money.

4. As a blockchain researcher, many new people often ask this question. In fact, there are two main ways to invest in bitcoin. The first is to buy bitcoin directly from the corresponding digital currency exchange; The second is to mine for bitcoin

first of all, mining is the main way to obtain bitcoin, but the current threshold of mining is relatively high. If you choose to mine by yourself, first you need to understand certain technology, then download the bitcoin client and mine by yourself according to the online bitcoin mining tutorial
however, in theory, bitcoin can still be mined with computers or graphics cards. However, e to the development of mining instry in recent years, the whole network computing power of bitcoin is extremely terrible (more than supercomputers), so if you want to mine with computers or graphics cards, you can't find bitcoin, If you want to dig bitcoin, you still need to buy mining machines. Now the better mainstream mining machines in the market have to be tens of thousands. Of course, there are cheap second-hand mining machines, but these second-hand mining machines are all obsolete ones, and the electricity cost of mining is relatively high

in addition to the second way of direct purchase, the digital currency exchange is a special place for bitcoin trading. If you want to own a bitcoin, you can buy it directly with money. However, it should be noted that there are many digital currency exchanges in the market at present. Many small exchanges are specialized in cutting users and eating customer losses for a living. Therefore, when choosing an exchange, it is better to focus on the head exchange. For example, Hufu, one of the head exchanges in China, I have been using it for nearly two years, and it is very stable and safe.

5. It's five seconds. This requires an internationally recognized RTXP Internet financial agreement to enable quick global transfers. The radar currency is international Alipay. Bitcoin does not have the function of quick transfer

6. Learning method: pet level 15 can be used to learn
go to mop "mystery of stone" to find NPC - man with mining soul, have a dialogue, and then learn mining task. Use "test pick" in kaster plain 07, 27 and border outside mop and reply NPC - man with mining soul to complete the task, Learning mining task completion

mining method:
first use the "detection rod" to detect the location of the ore point. If the area can be mined, the bottom left corner of the screen will display the mineral resources that can be explored: X mine, you can equip the "miner's pick" and then stand still to mine

7.

When it comes to digital currency, your first reaction may be bitcoin or Libra, which Facebook plans to launch

from the perspective of usage scenarios, the central bank's digital currency does not pay interest, and can be used in small, retail and high-frequency business scenarios, which is no different from paper money. At the same time, the use should comply with all the existing regulations on cash management, anti money laundering and anti-terrorism financing

the Xueshuo innovation blockchain Technology Workstation of Lianqiao ecation online is the only approved "blockchain Technology Specialty" pilot workstation of "smart learning workshop 2020 Xueshuo innovation workstation" launched by the school planning, construction and development center of the Ministry of ecation of China. Based on providing diversified growth paths for students, the professional station promotes the reform of the training mode of the combination of professional degree research, proction, learning and research, and constructs the applied and compound talent training system

8. It seemed ill bred, completely devoid of the superiority that Mr. Heathcliff and his wife could see. he

9. From the perspective of coin an, the head enterprise, coin an spent a lot of time on the implementation of blockchain technology. First of all, in terms of social welfare, coin an China blockchain Research Institute has divided philanthropy through blockchain technology, so that the source and destination of love funding can be seen, and the whole process can be divided  transparent  Traceability.