Which of the following is not a blockchain product

1.

blockchain includes public blockchain, joint (instry) blockchain and private blockchain. Public chain point-to-point e-cash system: bitcoin, smart contract and decentralized application platform: Ethereum

blockchain is a new application mode of distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm and other computer technologies

blockchain is an important concept of bitcoin. In essence, it is a decentralized database. At the same time, as the underlying technology of bitcoin, it is a series of data blocks generated by using cryptographic methods. Each data block contains a batch of bitcoin network transaction information, Used to verify the validity of its information (anti-counterfeiting) and generate the next block

extended data

according to the different degree of blockchain network centralization, three kinds of blockchains under different application scenarios are differentiated:

1. The blockchain with the whole network open and without user authorization mechanism is called public chain

2. The authorized nodes are allowed to join the network, and the information can be viewed according to the authority. It is often used in the inter agency blockchain, which is called alliance chain or instry chain

3. All the nodes in the network are in the hands of one organization, which is called private chain

alliance chain and private chain are also called licensing chain, and public chain is called non licensing chain

blockchain features

1, decentralization. Blockchain technology does not rely on additional third-party management institutions or hardware facilities, and there is no central control. In addition to the self-contained blockchain itself, each node realizes information self verification, transmission and management through distributed accounting and storage. Decentralization is the most prominent and essential feature of blockchain

2. Openness. Blockchain technology is based on open source. In addition to the private information of all parties involved in the transaction is encrypted, the data of blockchain is open to everyone. Anyone can query blockchain data and develop related applications through the open interface, so the information of the whole system is highly transparent

3. Independence. Based on consensus specifications and Protocols (similar to various mathematical algorithms such as hash algorithm used by bitcoin), the whole blockchain system does not rely on other third parties, and all nodes can automatically and safely verify and exchange data in the system without any human intervention

4. Safety. As long as 51% of all data nodes cannot be controlled, the network data cannot be arbitrarily manipulated and modified, which makes the blockchain itself relatively safe and avoids subjective and artificial data changes

5. Anonymity. Unless there are legal requirements, technically speaking, the identity information of each block node does not need to be disclosed or verified, and the information can be transferred anonymously

2.

The

blockchain is a technical solution to collectively maintain a reliable database through centralization and distrust in the past
generally speaking, blockchain technology refers to a way for the whole people to participate in bookkeeping. There is a database behind all the systems. You can think of the database as a big ledger. So it's very important who keeps this account book. At present, whose system will keep accounts, wechat's account book is Tencent's account book, and Taobao's account book is Ali's account book. But now in the blockchain system, everyone in the system can have the opportunity to participate in bookkeeping. If there is any data change in a certain period of time, everyone in the system can conct bookkeeping. The system will judge the person who has the fastest and best bookkeeping in this period, write the content of his records into the account book, and send the content of the account book to all other people in the system for backup. In this way, everyone in the system has a complete account book. This way, we call it blockchain technology
now, blockchain technology will be very popular, especially in the financial sector. Ant finance, laikelib, Wanda, Ping'an and Minsheng have tried blockchain projects one after another, and European crowdfunding is in the forefront of using blockchain technology. The most successful case is digital currency

3. Play guest cloud, flow treasure box, storm broadcast control cloud, star magic box, Xiaorui family cloud, travel and entertainment treasure box and so on, the modes are almost the same
BSC cloud box is also one of them, which is worthy of special introction
from the point of view of time nodes, BSC cloud box is one of the earlier models. Gamer cloud came out earlier than BSC cloud box. However, in a major revision later, BSC cloud box mode was still used. From the perspective of risk control, BSC does the same as gamer cloud
but BSC cloud box is 100 times and 10000 times better than other procts - dividend mechanism
in short, the BSC system uses your idle computing power and traffic to make profits, and then distributes the profits to everyone according to the amount of contributed computing power and traffic
that's what everyone says, but how many people really give dividends
the dividend in the first quarter of 2019 has been completed. I didn't get the dividend because of my own nonsense and disagreeing with the government, but some friends around me got the dividend, the six figure level, and the highest one got the seven figure level. Of course, other people also made a lot of investment and contribution
this is the first blockchain proct that I have seen since I came into contact with blockchain, which really pays dividends. I am convinced that I will not mess with it in the future, and I will follow suit in a down-to-earth way.

4. What you see and understand is completely correct. Now all those who are playing blockchain are all such deceptive things. They are just playing a slogan instead of a real blockchain. Big regular companies are playing this slogan to cheat people. They are very speechless

5. The huge application of blockchain has attracted companies around the world to integrate some versions of blockchain technology into their institutions. At present, there are many companies that are familiar with in China. Considering comprehensively, Beck chain is good and the technology is professional. The service was considerate.

6.

centralization

decentralized, trustless, collectively maintained, and reliable database

7.

centralized credit creation mode

blockchain puts forward a variety of different consensus mechanisms to help users effectively form bottom-up decisions and participate in major decisions