Bitcoin private key lost

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

According to Chaina alysis, a research firm, up to 20% of the existing bitcoin has disappeared forever. At the time of the study, about 3.8 million bitcoins could never be retrieved. In this article, we will explore all possible ways to lose bitcoin

1. Cryptocurrency hackers

the hacker behavior of cryptocurrency exchange is the main reason for the loss of bitcoin. Exchanges are a hot target for cyber criminals, accounting for 27% of cyber attacks in 2018. Mt. GOx was the first high-profile cryptocurrency hacker, but since then, many major exchanges have been hacked, including bitfinex, bitstamp and, more recently, cryptopia, the cryptocurrency exchange in New Zealand, which lost 9.4% of its total positions

the malware on torrent website and Google play store are used to steal passwords from vulnerable categories. For example, there is a malware clipper that uses users' behavior of ing and pasting wallet addresses to steal passwords. For example, if you send BTC to an address, you usually and paste the address, because it is a long string of random characters, clipper malware will exchange wallet addresses, which means that when you paste, you will send encryption to the wrong address

Research firm chainanaalysis estimates that up to 20% of the existing bitcoin is gone forever. At the time of the study, about 3.8 million bitcoins could never be retrieved. In this article, we will explore all possible ways to lose bitcoin

1. Cryptocurrency hackers

the hacker behavior of cryptocurrency exchange is the main reason for the loss of bitcoin. Exchanges are hot targets for cybercriminals, and Mt. GOx is the first high-profile cryptocurrency hacker. Since then, many major exchanges have been hacked, including bitfinex, bitstamp and cryptopia, the cryptocurrency exchange in New Zealand, which recently lost 9.4% of its total holdings

the people who have new access to encryption technology have become the victims of false initial token issuance (ICO). They publicize themselves as a new cryptocurrency investment and will get high returns. They use "fear of missing" (fomo) because the project will never come true and the money will never be returned to investors. Experienced investors know how to analyze the project according to the team to assess whether they have the ability to fulfill their commitments, whether they have a minimum viable proct, etc. One of the most famous fraulent ICOS is centra, endorsed by Floyd Mayweather

8. Pump and mping program

coaxing and mping are price manipulation. Swindlers use social media groups to hype projects or tokens called "junk money". Because they have no added value or real use cases, their value will increase exponentially overnight. As soon as the value increases, fraudsters sell their tokens. Soon after that, the price of selling a large number of tokens drops sharply, resulting in huge losses for those who hold them for a long time or buy them at a higher price. Celebrities or people are also used to hype the so-called "ng money"

9. Refrigeration equipment is lost or damaged

many people start using bitcoin when it is not valuable. They throw away their old computers, misplaced hardware wallets, etc., or their computers are damaged

10. Careless

send bitcoin to the wrong address, some wallets and transactions, all options to prevent users from sending bitcoin to the wrong wallet (non bitcoin)

James middot, British it engineer; Howells recently discovered that he had thrown away the hard disk containing 7500 bitcoin private keys as garbage. James has been mining 7500 bitcoins on personal computers since 2009. Without the private key, although my own bitcoin has not disappeared, I can't trade with bitcoin. According to the current price of 32000 US dollars, it is equivalent to a loss of more than 260 million US dollars, nearly 1.7 billion yuan. He expressed regret