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How to explain blockchain knowledge,If you want to keep your assets safely, you must first know the knowledge of your wallet

Time : 09/12/2021 Author : f3wkmp Click : + -
        Take the Ethereum wallet as an example. After creating an Ethereum wallet, a string beginning with 0x will be generated. This string is the "address" of the wallet. The "address" of the wallet is mainly used to collect money. Of course, it can also be used as a voucher for transfer, just like when someone calls you, you need to tell them the bank card number. When creating a wallet, you need to set a "password" yourself. Usually, this "password" requires no less than 8 characters. For security, it is better to set the "password" more complex. This "password" is used for two purposes. One is that you need to enter a "password" when transferring money, which is similar to that you need to enter a password when transferring money to others with a bank card;.
        This "password" can be modified or reset. After inputting the original "password", you can directly modify the "password"; However, if you forget the original password, you can use "." Or import "mnemonic" into the wallet and set a new "password". In the real world, a bank card only corresponds to one password. After the password is modified, the original password becomes invalid. However, in the blockchain wallet, a wallet can use different "passwords" on different mobile phones, which are independent of each other and do not affect each other. After creating the wallet, enter the password to export the private key. This "private key" is a string composed of 64 characters. Of course, some wallets use different codes and may have fewer characters.
        A wallet address has only one private key and cannot be modified. As long as you enter the "private key" and set a "password" (without entering the original "password"), you can enter the wallet and have control of the wallet, and you can transfer the coins in the wallet. As mentioned above, the "private key" is composed of 64 bit strings, so it is very easy to make mistakes, so the "mnemonic" appears. "Mnemonic words," as the name implies, are meant to help you record and remember. "Mnemonic" consists of 12 words, with a space between each word. Like "private key", a wallet has only one set of "mnemonic" and cannot be modified. "Mnemonic" and "private key" have the same function: as long as you enter the "mnemonic" and set a "password" (without entering the original "password"), you can enter the wallet and have control of the wallet, and you can transfer the coins in the wallet.
        There is a function to back up "keysore" in the wallet. Select "keysore" and enter "password", and a large code will appear. This is "keysore". When importing a wallet, just enter "keystore" and "password" to enter the wallet. This is different from importing wallets with "private key" or "mnemonic". The latter two do not need to know the original "password", but directly reset the "password". "Keystore" can be understood as the encrypted "private key", which is related to the "password" of the wallet. After the "password" of the wallet is modified, the "keystore" will also change accordingly.
        It should be noted that when importing a wallet with "keysore", you need to enter a "password". This "password" is the "password" of the wallet when "keysore" is backed up. It has nothing to do with whether the "password" is changed later. In the real world, if you lose your bank card and forget your password, you can go to the bank to help you get it back. Your money or your money can't be lost. This is the advantage of centralization. However, in the blockchain world, if the wallet information is lost, no one can help you find it. Therefore, as long as you protect the wallet information, the property in the wallet belongs to you and no one can rob it. This is the advantage of decentralization.
        After reading today's article, if there are the following seven leakage situations, do you know which ones do not matter and which ones will be stolen? Please leave your answers at the end of the article.
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