Users of blockchain

1. This is hard to find. Generally, only the exchange itself will know. But the general exchange will publish their own data, but these data will be watered.

2. 1. The value of bitcoin does not lie in its computing method and encryption algorithm. 2. The calculation and proction of bitcoin need time, equipment loss and electricity cost. 3. The total output of the algorithm is limited. 4. Some foreign and domestic objects have supported bitcoin payment, which makes it have the preliminary property of currency. 5. There is no difference between bitcoin and the legal currency of any country in its own value. A piece of printed paper or PVC does not have actual value. It can not have the characteristics of rare metals like gold. 6. The biggest risk of bitcoin is that no country, bank, military or government can guarantee its credibility. 7. At present, it seems to be just a virtual currency with speculation value. 8. Its circulation value is certainly not as popular as q-coin in China. For example, few people in second tier cities know about bitcoin, let alone let it admit its value.

3. In Changsha, there is a public platform of SMIC blockchain, which is doing well. It has been implemented in government affairs publicity, intellectual property protection, judicial expertise and other aspects.

4. 2015 data: ie11 browser ranked first with 25.26% share (26.9% in August), chrome 45 ranked second with 15.25% market share. IE8 ranked third with a share of 11.71% (up slightly from 10.92% in August). Since September, Firefox 40 has ranked fourth with 7.58% market share. A statistic from StatCounter shows that Chrome browser ranks first with a market share of 56.51%, which is the same as that in August. Since September, it has jumped to the second place with 17.34% market share, which is unprecedented. The market share of Internet Explorer was 17.11%, compared with 17.51% in the same period of August. Although the market share declined slightly, the ranking dropped to the third place. Safari's market share was 4.27%, up slightly from 4.17% in July. Opera, the fifth largest company, had a market share of 1.84%, down slightly from 1.86% in August.

5. In the Northern Song Dynasty, it was made by Zhao Zhen, Emperor Renzong of the Northern Song Dynasty, in the first year of Tiansheng. For money, it has two styles: regular script and seal script. Copper coin is in Xiaoping format, while iron coin is in Xiaoping and fold format. Tiansheng Yuanbao is not high in value. It is about 10 yuan for ordinary procts.

6. No. Now the communication instry is developed, but personal information leakage is serious. It's normal to have such worries, which shows that people's self-protection awareness has improved. But the proct source chain is a high-tech, using the blockchain encryption technology, will completely encrypt the user's personal information, protect the security of the user's personal information, so, don't worry about this.

7. The data storage mode of blockchain is actually "block" + "chain". This is like our diary, each page is a piece of paper, on which useful text information can be recorded, but each page will have a page number to record the order of each page. In contrast, a block is "paper" to record all the value exchange activities that took place ring the creation period. Page numbers are "chains" that store blocks in the database in chronological order.