The mnemonic is a manifestation of the plaintext private key, originally proposed by the BIP39 proposal. Its purpose is to help users memorize complex private keys (64-bit hash values). The mnemonics are generally composed of 12, 15, 18, and 21 words. These words are taken from a fixed vocabulary. The generation order is also based on a certain algorithm. Therefore, the user does not need to worry about inputting 12 words casually to generate a word. address. Although both mnemonics and Keystore can be used as alternative forms of private key, unlike Keystore, the mnemonic is an unencrypted private key and anyone who gets your mnemonic is equivalent to You have acquired your assets, so after backing up your mnemonics, you must pay attention to the following three points:
a.Use physical media as much as possible to back up, for example, using a pen to copy on paper, etc. Do not use screen capture or photographing and put it in a networked device to prevent hackers from stealing.
b.Repeatedly verifies whether the backup mnemonic is correct. Once one or two words are misspelled, it will be very difficult to retrieve the correct mnemonic.
c.Save the back-up mnemonics and do a good job of anti-theft measures.