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Why can't blockchain data be tampered with
Publish: 2021-05-27 13:31:58
1. The core advantage of blockchain is decentralization. Through the use of encryption algorithm, tree structure and consensus mechanism, trust relationship is established in decentralized distributed network, data distributed multi node encrypted storage is realized, and an open, transparent, tamperable, verifiable and traceable technology system is created, so that each node can store certificates synchronously and supervise together, It can effectively solve the problems of poor reliability and low security in the centralized mode
the blockchain will generate a unique fixed length string based on the hash algorithm, and store it in the network distributed ledger maintained by all of us, so as to achieve tamperable ownership records and statements. Here's an explanation: blockchain is mainly the underlying technology, and right is the concept of application layer. For the application layer of right in blockchain, it is not only to confirm rights, but also to protect rights (infringement detection / forensics, etc.) and solidify electronic evidence after discovering infringement, which is equivalent to electronic storage based on blockchain technology.
the blockchain will generate a unique fixed length string based on the hash algorithm, and store it in the network distributed ledger maintained by all of us, so as to achieve tamperable ownership records and statements. Here's an explanation: blockchain is mainly the underlying technology, and right is the concept of application layer. For the application layer of right in blockchain, it is not only to confirm rights, but also to protect rights (infringement detection / forensics, etc.) and solidify electronic evidence after discovering infringement, which is equivalent to electronic storage based on blockchain technology.
2. Once the information is verified and added to the blockchain, it will be stored permanently. Unless more than 51% of the nodes in the system can be controlled at the same time, the modification of the database on a single node is invalid. Therefore, the data stability and reliability of the blockchain are extremely high.
3. I can give you a simple answer to this question. There are many application scenarios of ant blockchain. For example, last year, the baas platform of ant blockchain joined hands with e-commerce bank, CCCC Xinglu, weitiantong and other partners. Using the block connection technology, online freight logistics platform. This successful cooperation ensures the privacy and security of the whole data link, and also completes the data cross validation of logistics three streams in one. With the intervention of ant blockchain technology, these data make it difficult for any party to tamper, deny and falsify, and make both parties more assured that they have evidence to check.
4. [puzzle] gold miner Chinese version
new gold digger's Chinese version...
game props: press the key to start pulling gold. The red bomb means to pull something you don't want. Press the "↑" key ~ to blow up the thing you pull yourself. The yellow bottle with three forks is strong water. It's a little faster when recycling the rope, It only takes effect in one round. The book "rocks" on it means that if you collect stones, you can sell them at a higher price than usual! 11 pieces of small stones can sell 33 pieces, which is also effective in the same game. The thing in the yellow bottle is brick oil, which will make bricks appreciate. 600 pieces of bricks will sell to 900! It's also the lucky grass that takes effect in the first round. If you use it, you can increase your lucky degree and pull it to "?" If you buy a small bag, you may become very strong, or you may get some of the above items, and sometimes even the price of stones will rise!
new gold digger's Chinese version...
game props: press the key to start pulling gold. The red bomb means to pull something you don't want. Press the "↑" key ~ to blow up the thing you pull yourself. The yellow bottle with three forks is strong water. It's a little faster when recycling the rope, It only takes effect in one round. The book "rocks" on it means that if you collect stones, you can sell them at a higher price than usual! 11 pieces of small stones can sell 33 pieces, which is also effective in the same game. The thing in the yellow bottle is brick oil, which will make bricks appreciate. 600 pieces of bricks will sell to 900! It's also the lucky grass that takes effect in the first round. If you use it, you can increase your lucky degree and pull it to "?" If you buy a small bag, you may become very strong, or you may get some of the above items, and sometimes even the price of stones will rise!
5. The analysis of Chongqing jinwowo network is as follows:
based on the characteristics of decentralization, even if the blockchain is seriously attacked by hackers, as long as the number of nodes controlled by hackers does not exceed half of the total number of nodes in the world, the system can still operate normally and the data will not be tampered with
this is a distributed data storage based on blockchain, because there is no centralized management center, so that even if a node in the blockchain system is attacked or tampered, the healthy operation of the whole network will not be affected
because the rights and obligations of all nodes are equal, and the activities will be supervised by the whole network. At the same time, each of these nodes has the ability to vote with computing power, which ensures that the result recognized is the result recognized by more than half of the nodes.
based on the characteristics of decentralization, even if the blockchain is seriously attacked by hackers, as long as the number of nodes controlled by hackers does not exceed half of the total number of nodes in the world, the system can still operate normally and the data will not be tampered with
this is a distributed data storage based on blockchain, because there is no centralized management center, so that even if a node in the blockchain system is attacked or tampered, the healthy operation of the whole network will not be affected
because the rights and obligations of all nodes are equal, and the activities will be supervised by the whole network. At the same time, each of these nodes has the ability to vote with computing power, which ensures that the result recognized is the result recognized by more than half of the nodes.
6. Press the "s" key on the keyboard and the "↓" of the cursor movement key, press the "s" key with the left hand and "↓" with the right hand, and it will be easier to score with both hands.
7. Player 1: s key to put the hook, W key to throw explosives
player 2: key to put the hook, W key to throw explosives.
player 2: key to put the hook, W key to throw explosives.
8. Jinwowo analyzes the security of data when using blockchain Technology: blockchain technology is a kind of technology that supports decentralization in a trustless network environment
it can ensure the security of the communication network of the application system running on the chain by means of digital signature, and use hash chain technology to ensure that the written data can not be changed.
it can ensure the security of the communication network of the application system running on the chain by means of digital signature, and use hash chain technology to ensure that the written data can not be changed.
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