Bip39 Standard. Consider tips on how to securely back up and move to the passphrase if desired: When you may theoretically depend on your memory, you might want to take into consideration a safe backup system. BIP39 specifies a list of 2048 words from which the mnemonic phrase is picked https://bookmarkssocial.com/story18597067/ian-coleman-bip39-https-linktr-ee-bip39-bip39-words-an-overview