PyC blockchain article

1. Bitcoin is a distributed database. A database can be understood as a block (which contains input, output Amount)
What absenteeism does is to pack the transaction (after the transaction is formed, loitering on the Internet waiting for packing) - pack the block (about 400 transactions in each block) - calculate the answer (hash value) - form a new block (if it meets the requirements, it will be incorporated into the main chain)

2. Babbitt krypton

3. Several successful ones are block chain housing rental platform in xiong'an New District, SMIC block chain public service platform in Changsha high tech Zone, and block chain Real Estate Registration Platform in Loudi. Hunan has done a good job in the application of block chain technology in the whole country. There are mature and successful application cases in provincial capitals and prefecture level cities.

4. When users participate in Thor chain mining, they need to purchase Thor chain mining machine, Download Thor money, bind mining machine, and select mine pool for Thor chain mining. In addition, some ore pools (such as the ore machine segment of Zeus ore pool) have launched the computing power leasing service for the majority of users. You can choose freely according to the situation.

5. Since the server is under the control of the United States, is it really safe for China to engage in digital currency? This issue of security is assessed by the state, which may not need your consideration. Moreover, I think the state has its own plan to develop financial currency, especially digital currency

6. As we all know, food safety is an issue of great concern to us. In fact, this problem can be avoided by technical means. Like the blockchain traceability solution of wangchain technology, they record the whole process of a commodity from proction to sales with the non tamperable properties of the blockchain, and then scan the QR code to know all the information of the commodity.

7.

bus line: Metro Line 3 → fan29, the whole journey is about 15.0km

1. Take Metro Line 3 from Dashi, pass 3 stops, and reach Panyu Square Station

2. Walk about 280m, and reach Panyu Square Station

3. Take fan29, pass 3 stops, and reach Hexian hospital (Qinghe East Road) station (you can also take fan160, fan99, fan68, and Fan1)