Bip39 Passphrase. Take into consideration the way to securely again up and pass to the passphrase if essential: While you could theoretically count on your memory, you might want to think about a protected backup strategy. BIP39 specifies a list of 2048 words from which the mnemonic phrase is selected. https://meshbookmarks.com/story19080078/bip39-words-https-linktr-ee-bip39-5-essential-elements-for-bip-39