Bip39 Standard. The passphrase is just not chosen with the predefined list of 2048 words – it can be any word or phrase you decide on. Made to be used together with common hardware and software copyright wallets, Vault12 Guard can help copyright homeowners back up their wallet seed phrases https://bookmarkyourpage.com/story4176824/bip39-list-https-linktr-ee-bip39-5-essential-elements-for-bip39-word-list