Coin Wallet bitcoin private key
the private key is like your bank card password
the address of bitcoin wallet is like your bank card
as long as you have the bank card and password, anyone can withdraw money from ATM
the address of bitcoin wallet is public, which means that everyone else has your bank card, so your bank card password (private key) becomes very important at this time
once your key is disclosed, others can transfer your bitcoin
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1. The mail cabinet is stolen (the database is stolen)
2. The key is stolen (the private key is stolen)
3. Knowing my home address (the public key is stolen), the lock of the mail cabinet is opened violently (the private key is cracked violently).
The private key of bitcoin wallet cannot be viewed online. Bitcoin exists on the platform. To download core or classic is the real wallet, and then you can view it
[description of private key of bitcoin wallet]:
1. Wallet encryption refers to automatically encrypting and storing the wallet with private key. The official bitcoin client supports wallet encryption since version 0.4.0. The encrypted wallet will prompt you to enter your password every time you pay. If the password is wrong, the client will refuse to pay
2. If you replace it with the earliest backup wallet (wallet. DAT), you can still trade normally. Considering the principle of bitcoin, it can be concluded that as long as there is a private key (wallet), you can prove that you are the legitimate owner of the wallet. No matter whether you encrypt or delete the wallet (the core is the private key corresponding to an address), you can't deny it
3. When backing up the bitcoin wallet, you should also pay attention to the existence of bitcoin payment change mechanism (for example, if you send 50 BTC in a complete 100 BTC to an address, the system will send 50 BTC to the other party's address, and return 50 BTC to a new address of your client, which will not be directly displayed in your address list)
4. After sending bitcoin to other addresses 100 times or using 100 different addresses to receive bitcoin, please back up your wallet again, otherwise the returned and received bitcoin will be lost forever. In addition to encrypting wallets, users can also generate offline paper wallets and brain wallets
Many small white just admission, was the private key, public key, address, and other relations confused. Some of them even lost their private key. They had money on the address, but they just couldn't get it out. Today, Xiao will try to figure out the relationship between the private key, the public key and the address
The relationship among < H2 > private key, public key and address is as follows:the private key is converted into (generated) public key, and then converted into address. If there is bitcoin or integrity coin on an address, the private key converted into the address can be used to spend the above integrity coin. The generation of public key and address depends on private key, so private key is the most important
mobile wallet is the same, but the file management method of mobile phone is not as convenient as computer. Therefore, the general mobile wallet will provide a function called or similar to "export private key". Through this function, the private key can be exported in various forms
for example, bitcoin mobile wallet can be exported as a two-dimensional code, which can be printed or scanned on paper. When replacing a mobile phone, install a bitcoin wallet and scan the QR code to migrate bitcoin. Bitcoin mobile wallet and trustcoin mobile wallet can be exported as a clear text string and printed on paper - this is paper wallet
paper wallet allows users to spend your bitcoin or trustcoin at any terminal with bitcoin or trustcoin wallet
because the wallet is lost or damaged, the private key will be lost, and the transfer right of the digital currency will be lost completely. To prevent such tragedies, you should always back up the data in your wallet. In addition to the address, all the private keys are saved ring the backup
< H2 > summary-
the private key should be protected to prevent loss and forgetting. When the mobile phone clears the information, it is best to it by hand, but do not disclose it
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you should prevent your wallet from being lost or damaged, resulting in the loss of your private key and the loss of the transfer right of digital currency. Otherwise, you will not be able to withdraw more money, which is not useless
source: Yibin news website
bank staff help customers distinguish right from wrong, and try to avoid the loss of customers' funds. Photo source: Comics network
Yibin news network, June 24 (Zhang Xinliang, reporter Wang Yu) on June 24, the reporter learned from the Bank of China Yibin Branch that the staff of Bank of China Yibin Gongxian sub branch blocked the so-called "Vicat" and UnionPay cooperation scam for many middle-aged women ring the business service period, avoiding the possible economic losses caused by customers being cheated or improper investment
at about 14:00 p.m. on the 23rd, 89 middle-aged women came to the business hall of Gongxian branch of Bank of China. They whispered about opening bank cards, opening Euro accounts, running mobile banking and other businesses. The front desk staff of the bank heard "bitcoin", "Du project", "cooperation with UnionPay" and other words from their conversation, which immediately aroused alarm and reported the situation to the business manager on ty
after receiving the information from the front desk teller, the business manager immediately understood the customer's intention to open the card. The customer claimed to "invest and speculate in stocks". Among them, another customer said that he would open a euro account to speculate in foreign stocks, and he was not willing to have a detailed conversation with the business manager who went to know the situation. In view of this situation, the business manager reminds the customers to guard against the current fraud risks such as e-banking, high amount of deposits and illegal fund-raising. After repeated risk prompts, several customers finally told us further information: they said that they were involved in an investment similar to "bitcoin" through a friend, and that the investment was jointly launched by "Vicat" (homophonic) Company and China UnionPay
later, e to the business need to be authorized, the business manager arranged the customer manager of the bank to continue to have in-depth conversation with them and give them targeted risk tips after leaving. After listening to the customer's introction of overseas investment and financial management channels, and insisting that it is a cooperative investment with UnionPay, the customer manager immediately contacted China UnionPay by telephone to verify the customer's statement. The reply was: "this company has no cooperation or investment project."
the customer manager timely informed the customers of the verification results and provided them with the service telephone number of the sub branch to facilitate their consultation and communication at any time. They sincerely thank the staff of the bank for their enthusiastic service and patient and meticulous publicity and explanation, and for identifying and stopping the "Vicat" scam, avoiding investment mistakes and being cheated
at present, Yibin Branch of Bank of China has reported the situation of Gongxian sub branch's interception of "Vicat" to all branches under its jurisdiction, and required to do a good job in prevention and relevant risk warning.
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