What the blockchain does is to allow the data stored in the database to be distributed

　　Imagine that a company has a server farm with 10,000 computers to maintain a database containing all its customer account information. The company has a warehouse building, all these computers are concentrated under one roof, and they can completely control each computer and all the information contained in it.Today, people are interested in Bclub Login There are also many dependencies, and the expectations for products are getting higher and higher. https://www.bclubtk.us/

　　

　　However, this provides a single point of failure. What if there is a power failure in that place? What if its Internet connection is cut off? What if it burns to the ground? What if a bad character deletes everything with one keystroke? In any case, data will be lost or damaged.

　　

　　What the blockchain does is to allow the data stored in the database to be distributed among multiple network nodes in different locations. This not only creates redundancy, but also maintains the fidelity of the data stored in it-if someone tries to change the records in one instance of the database, other nodes will not be changed, thus preventing the bad guys from doing so. If a user tampers with the transaction record of Bitcoin, all other nodes will cross-reference each other and easily identify the node with wrong information.

　　

　　The system helps to establish an accurate and transparent sequence of events. In this way, no single node in the network can change the information stored in it. Therefore, information and history (such as cryptocurrency transactions) are irreversible. Such a record can be a transaction list (for example, using cryptocurrency), but the blockchain can also store various other information, such as legal contracts, state identification or company product inventory.

　　

　　In order to verify a new entry or record of a block, the computing power of most decentralized networks needs to agree with it.

　　

　　In order to prevent bad actors from verifying bad transactions or double flowers, the blockchain is protected by a consensus mechanism, such as proof of workload (PoW) or proof of equity (PoS).

　　

　　These mechanisms allow agreements to be reached even if no single node is responsible.