Bip39 Passphrase. Take into consideration the way to securely back up and pass on the passphrase if wanted: Although you can theoretically trust in your memory, you may want to look at a safe backup method. BIP39 specifies a list of 2048 words from which the mnemonic phrase is selected. https://mysocialport.com/story4364391/bip39-passphrase-https-linktr-ee-bip39-the-single-best-strategy-to-use-for-bip39-wallets