Read the relationship between blockchain and bitcoin, Ethereum, Litecoin, etc.
Now more and more people are entering the blockchain field. The blockchain companies are also one after another. When Bitcoin just came out, I was still young, too simple, and looked naively to the people around me. This thing has no future, virtual currency, and no supervision, saying that running on the road will run. Now that I have no face to see my friends before, I have let them miss hundreds of millions.
Now there are more and more reports on the blockchain in the media, and there are more and more nouns and concepts. Virtual currency, blockchain, bitcoin, Ethereum, Litecoin, mining, etc., then these are What is the matter, what is the relationship between them?
The relationship between them can be understood as assuming that the virtual currency is a dynasty, the bitcoin is the emperor of the virtual currency dynasty, the blockchain is the sect of the virtual currency dynasty, and the virtual currency dynasty has another Taishi party, they are too The teacher's brain powder, members of the Taishi Party include Ethereum, Litecoin, Ripplecoin and now blockchain startups. We are the subjects of the virtual currency dynasty. We can choose to be loyal to the emperor, or we can choose to be loyal to the Taishi, or we can choose to be loyal to the ministers under the Taishi Party. Of course, we can all choose or not choose.
Here we only need to figure out the functions of the Emperor and the Taishi. The rest is well understood. The rest is nothing more than working under the Emperor or working under the Taishi. Their core ideas are from the top. Two.
Let me talk about the emperor bitcoin of the virtual currency dynasty. The history of the development of bitcoin should be understood. In 2009, it was proposed by Nakamoto Satoshi to create a decentralized payment system. Decentralization means that there is no middleman to make a difference, and buyers and sellers directly trade. Moreover, the issuance of Bitcoin is not controlled by any country. He is based on algorithms. The maximum number is 21 million. The difficulty of production is increasing. That is to say, bitcoin is getting harder and harder to obtain. Any limited resources are a battle for the military. place. As the development of Bitcoin has become more and more accepted, many people have begun to purchase equipment in bulk.
Then the problem comes, the seller buyers have no guarantors in direct transactions. How do they trust each other? How do they trade?
Before answering the question, let's talk about the virtual currency dynasty's Taishi blockchain. The blockchain is the core technology of Bitcoin. The blockchain ensures the authenticity, effectiveness, and modification of the transaction.
The blockchain is composed of N blocks that are distributed on each computer participating in the blockchain. We can understand the computer as a book on a blockchain, and each page in the book is a block. The computer for personal mining is equivalent to a thin account, and the equipment of a professional miner is equivalent to a thicker book.
Stringing these books together constitutes a blockchain. We can record the data on the ledger, then tell the data to everyone, let others record their own data on their books, so that their data will be distributed and stored. In many people's books, then the problem is coming. The data storage is the number of pages on my account, that is, the hard disk space. I will record it for you. At this time, the role of bitcoin is reflected. I don’t. White lets you remember, I will give you some bitcoin as a reward.
Then the problem is coming again. Why do I have to record my data in so many people's books? The purpose of this is to ensure the authenticity and validity of the data. For example, if you lend to Xiao Wang 100 yuan, how to ensure that this certificate is valid, you can lend you the fact that Xiao Wang is 100 yuan, tell everyone, let Everyone will help you record it. If Xiao Wang pays you back, he can tell everyone about this fact and help him record it. Your account will be cleared. If Xiao Wang is in charge, you can also take the account of Xiao Wang. The facts tell everyone that this way no one will lend him money next time.
Then the question is coming again. How does it guarantee that the data is valid?
First, each block has a unique ID for the entire network. The content recorded on each block follows a format. The first line is the unique ID of the block, and the second line is the unique ID of the previous block. The third line is the hash of the contents of the previous block (if the contents of the previous block were changed privately, the hash value will not match, it can prove that the data was changed privately), and the rest is to record the data you want to record. content. By distributing data across the entire Internet book in this way, the data is hard to change.
For example, let's run the complete side above.
In the case of a buyer's seller, first of all, the buyer and seller must have a bitcoin wallet to pay and accept bitcoin. Assuming the buyer wants to buy a piece of clothing, the buyer will transfer the money from the seller's wallet. After the transfer is completed, the buyer's wallet will save the transaction record to its own block and broadcast the block to the whole network. Let others help you record. In order to ensure single-chain, the first block on the Internet that receives this broadcast will send a broadcast saying: I have already recorded the contents of this ID block. Don't remember, then save the contents of this block to yourself. In the block, the block will then be broadcasted and looped.
After the seller delivers the goods, the information such as the waybill number and delivery record is recorded in the block and then broadcast to the entire network.
In this way, the buyer's and seller's transaction records are saved on the whole network, so buyers and sellers can't rely on it. Your transaction data has been recorded by the whole network, and you can save the data saved by the entire network. Modify it again.
At this point, bitcoin and blockchain are all finished. Understand Bitcoin and blockchain. Others understand that the Taishi Party people are issuing their own virtual currency with the thigh of the Taishi.
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