Bip39 Standard. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection towards your wallet that works together with your seed phrase to encrypt and defend your wallet. A https://highkeysocial.com/story4140729/bip39-list-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf