Mnemonic phrase

Mnemonic phrase

Mnemonic phrases are another form of representation for plaintext private keys, first proposed by the BIP39 proposal. Their purpose is to help users remember complex private keys. Mnemonic phrases generally consist of 12, 15, 18, or 21 words, all of which are taken from a fixed word list. The order of these words is also determined by a specific algorithm, so users do not need to worry about randomly entering 12 words to generate an address. If someone obtains your mnemonic phrase, they can easily take control of your assets. Therefore, after backing up the mnemonic phrase, users must pay attention to three points:

  1. Backup using physical media as much as possible, such as writing it down on paper with a pen, and try not to take screenshots or photos and store them on a connected device to prevent them from being stolen by hackers.

  2. Verify the backed-up mnemonic phrase multiple times to ensure its correctness. If one or two words are copied incorrectly, it will bring significant difficulty in retrieving the correct mnemonic phrase later.

  3. Keep the backed-up mnemonic phrase secure, taking measures to prevent theft and loss.

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