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Blockchain 60 talks 31

Publish: 2021-04-26 20:45:29
1.

blockchain is a digital account book that can be jointly bookkept, and will record all transactions that have occurred and have been unanimously recognized by the system it's the same as the whole family. You're bookkeeping, and your father and mother are also bookkeeping. They can see the general ledger, but the saved information can't be tampered with any more

In 2008, Nakamoto first proposed the concept of blockchain subsequently, blockchain has become the core component of electronic currency bitcoin, which serves as the public account book for all transactions. By using peer-to-peer network and distributed timestamp server, the blockchain database can be managed independently

extended data:

type of blockchain

1, public blockchain

any indivial or group in the world can send transactions, and transactions can be effectively confirmed by the blockchain, and anyone can participate in its consensus process. Public blockchain is the earliest and the most widely used blockchain. The virtual digital currencies of bitcoin series are all based on public blockchain. There is only one blockchain corresponding to this currency in the world

2, Alliance (instry) blockchain

instry blockchain: multiple preselected nodes are designated as bookkeepers within a group, and the generation of each block is jointly determined by all preselected nodes (preselected nodes participate in the consensus process), and other access nodes can participate in the transaction, However, regardless of the bookkeeping process (in essence, it is still managed bookkeeping, only distributed bookkeeping, how many preselected nodes, and how to determine the bookkeeper of each block to become the main risk point of the blockchain), anyone else can conct limited query through the open API of the blockchain

3, private blockchain

only uses the general ledger technology of blockchain for bookkeeping. It can be a company or an indivial, and enjoys the write permission of the blockchain. This blockchain is not very different from other distributed storage schemes

2. It is worth mentioning that blockchain 60 not only vividly explains some difficult concept terms, but also clearly explains the transaction process of digital currency. It is the work of conscience of popular science video
3. Bitcoin market suddenly soared, and now you can buy it. But you have to buy by yourself. Think about it, because bitcoin is a virtual currency. Market uncertainty, buy carefully.
4. "OK blockchain 60 lecture" is a blockchain popular science animation jointly proced by okex and sina science and technology. As the procer and distributor, okex uses its rich resources accumulated for a long time to build an easy to understand blockchain with professionals in the instry. It is only possible to learn. The main purpose of okex's move is to make the public better understand the knowledge of blockchain, Establish a correct understanding of the concept of blockchain.
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