Bip39 Ian Coleman. The passphrase is just not picked from your predefined list of 2048 words – it may be any word or phrase you select. For those who have been to reveal your seed phrase under duress, your hidden wallets would remain safe and unfamiliar. Solutions like Coinplate Alpha https://socialtechnet.com/story4277594/bip39-mnemonic-https-linktr-ee-bip39-top-latest-five-bip39-list-urban-news