Bitcoin launches wallet in China
Publish: 2021-05-23 15:13:13
1. bitcoin was born in a paper in 2008
a person signed by Nakamoto Tsui has put forward a revolutionary idea: let's create a currency that is not controlled by the government or anyone else! This idea is crazy: there is no asset support behind a string of figures, and no one is responsible for it. How can anyone accept it when you pay it to the other party as money
Merkle tree
looks like a binary tree, but this is the lower two nodes. Take the hash value to get the upper node. Just remember the root node to detect whether the whole tree has been tampered
the root hash value is stored in the block header, and the transaction process is stored in the block body. All nodes include block header and block body, but light nodes (such as bitcoin wallets on mobile phones) only include block header. This tree can prove that a transaction has been written into the blockchain
3. Consensus agreement
two issues should be paid attention to in decentralized currency:
1. Who can issue digital currency: mining
2. How to verify the legitimacy of transactions: blockchain
double spending attack
double spending attack is a major challenge of digital currency
all transactions in bitcoin have input and output. Where does bitcoin come from and where does it go
under normal circumstances, there may be two bifurcations, because two nodes obtain the bookkeeping right at the same time, and the two nodes package the block and calculate the random number at the same time. At this time, the two bifurcations will coexist temporarily until one of the blocks finds the next block first, which becomes the longest legal chain, and the other one is discarded<
Sybil attack
a malicious node keeps generating accounts. If the total number of accounts exceeds half of the total accounts, it obtains the control of the blockchain
consensus protocol in bitcoin
some nodes are malicious, and most nodes are good
idea 1: pack some transactions into blocks as candidate blocks, let each block vote, and write them into the blockchain if they pass
No, because some malicious nodes have been publishing blocks containing malicious transactions, and they have been voting and occupying resources. And some nodes don't vote<
idea 2: vote not by the number of accounts, but by computing power. Each node can generate legal transactions and put them into the block. These nodes start to try random numbers until H (block header) ≤ target is found, then this node has the right to account
the only way to generate bitcoin
coinbase transaction. There is no need to point out the source of the currency. If you have the bookkeeping right, you will get a reward< br />
50BTC-> 25BTC-> 12.5btc, the reward will be halved for every 210000 bitcoins
the process of bitcoin competing for bookkeeping rights is called mining. The node competing for bookkeeping right is called miner.
a person signed by Nakamoto Tsui has put forward a revolutionary idea: let's create a currency that is not controlled by the government or anyone else! This idea is crazy: there is no asset support behind a string of figures, and no one is responsible for it. How can anyone accept it when you pay it to the other party as money
Merkle tree
looks like a binary tree, but this is the lower two nodes. Take the hash value to get the upper node. Just remember the root node to detect whether the whole tree has been tampered
the root hash value is stored in the block header, and the transaction process is stored in the block body. All nodes include block header and block body, but light nodes (such as bitcoin wallets on mobile phones) only include block header. This tree can prove that a transaction has been written into the blockchain
3. Consensus agreement
two issues should be paid attention to in decentralized currency:
1. Who can issue digital currency: mining
2. How to verify the legitimacy of transactions: blockchain
double spending attack
double spending attack is a major challenge of digital currency
all transactions in bitcoin have input and output. Where does bitcoin come from and where does it go
under normal circumstances, there may be two bifurcations, because two nodes obtain the bookkeeping right at the same time, and the two nodes package the block and calculate the random number at the same time. At this time, the two bifurcations will coexist temporarily until one of the blocks finds the next block first, which becomes the longest legal chain, and the other one is discarded<
Sybil attack
a malicious node keeps generating accounts. If the total number of accounts exceeds half of the total accounts, it obtains the control of the blockchain
consensus protocol in bitcoin
some nodes are malicious, and most nodes are good
idea 1: pack some transactions into blocks as candidate blocks, let each block vote, and write them into the blockchain if they pass
No, because some malicious nodes have been publishing blocks containing malicious transactions, and they have been voting and occupying resources. And some nodes don't vote<
idea 2: vote not by the number of accounts, but by computing power. Each node can generate legal transactions and put them into the block. These nodes start to try random numbers until H (block header) ≤ target is found, then this node has the right to account
the only way to generate bitcoin
coinbase transaction. There is no need to point out the source of the currency. If you have the bookkeeping right, you will get a reward< br />
50BTC-> 25BTC-> 12.5btc, the reward will be halved for every 210000 bitcoins
the process of bitcoin competing for bookkeeping rights is called mining. The node competing for bookkeeping right is called miner.
2. It is easy to understand that the main reason is that the negative impact on China's economy and society is unforgivable. First of all, these computer geniuses have a good desire to create algorithmic digital currency, but because it has no value base, the consideration of bitcoin is dominated by underground economy from the beginning, and then it becomes a tool for speculation. Secondly, every surge of bitcoin is related to Chinese speculators, which is basically the result of domestic speculation and malicious speculation. This kind of malicious speculation not only has a serious impact on China's financial market, but also creates conditions for many illegal funds to flee. Third, bitcoin and other algorithmic currencies have never served the real economy in China, and have promoted the development of the real economy. On the contrary, let the funds serving the real economy flow into the market for speculation, which has a serious crowding out effect on the real economy. Fourth, under the above circumstances, bitcoin and other so-called "algorithmic digital currencies" will surely become increasingly tools for money laundering, drug trafficking, smuggling, illegal fund-raising and other illegal and criminal activities, and the responsible government must absolutely own this market.
3. Bitcoin online wallet is created by the address of the wallet. You can withdraw bitcoin from bitcoin China account to the address of bitcoin online wallet
bitcoin China is the largest bitcoin trading platform in China and the first bitcoin trading platform in China, which was established on June 9, 2011. There are ore pools, wallets and trading platforms
bitcoin wallet is roughly the equivalent of physical wallet in bitcoin network. The wallet actually contains your private key, which allows you to consume the bitcoin allocated to the wallet in the block chain. Like a real wallet, each bitcoin wallet displays the total balance of all bitcoins it controls and allows you to pay someone a certain amount of bitcoin. This is different from the credit card used by merchants to dect money.
bitcoin China is the largest bitcoin trading platform in China and the first bitcoin trading platform in China, which was established on June 9, 2011. There are ore pools, wallets and trading platforms
bitcoin wallet is roughly the equivalent of physical wallet in bitcoin network. The wallet actually contains your private key, which allows you to consume the bitcoin allocated to the wallet in the block chain. Like a real wallet, each bitcoin wallet displays the total balance of all bitcoins it controls and allows you to pay someone a certain amount of bitcoin. This is different from the credit card used by merchants to dect money.
4. There's no difference. The time to pay is faster, otherwise it will be slower, but I don't think it's necessary
5. It's OK to directly withdraw the bitcoin in the bitcoin China exchange into the wallet address. The paper wallet only functions as an address, which is equivalent to a two-dimensional code. However, now the central bank has tightened the bitcoin policy, and all major domestic exchanges have suspended the withdrawal of bitcoin for one month. Instry guidelines will also be developed within this month
the transaction cash withdrawal of dog coin, Ruibo coin, Puyin and other counterfeit coins will not be affected. The main purpose of restricting withdrawal is to comply with the anti money laundering laws and regulations of the central bank.
the transaction cash withdrawal of dog coin, Ruibo coin, Puyin and other counterfeit coins will not be affected. The main purpose of restricting withdrawal is to comply with the anti money laundering laws and regulations of the central bank.
6. No, the risk of bitcoin is that bitcoin users are very vulnerable: using bitcoin can make your computer and mobile data targets for hackers. Thieves will try to pry into your virtual currency "wallet." Even if you use a powerful computer, as long as you connect to the network, you are likely to be attacked by hackers. By the way, if you link to an e-wallet, it also puts traditional bank accounts at risk. In a word, more Internet point virtual currency means more network security problems
virtual currency should not be supported by any government or central bank, and indivials are not recommended to invest in this high-risk bitcoin
virtual currency should not be supported by any government or central bank, and indivials are not recommended to invest in this high-risk bitcoin
7. In bitfirst bitcoin China trading platform, using the bitcoin address generated in the bitcoin wallet, you can receive bitcoin from others, and you can also transfer the bitcoin in your account to the bitcoin address of others.
8. It doesn't need any proceres. Just make an appointment and take your ID card with you.
9. I took it from Jingxuan finance, hoping to help you
1 direct transfer: trade all the money in your wallet to the new address. There is a handling charge
2 export private key: export the private key of all the deposit addresses in your wallet, and then import them into your new wallet. There is no handling charge. For safety, it is recommended to complete the operation offline.
1 direct transfer: trade all the money in your wallet to the new address. There is a handling charge
2 export private key: export the private key of all the deposit addresses in your wallet, and then import them into your new wallet. There is no handling charge. For safety, it is recommended to complete the operation offline.
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