Bip39 Standard. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection to the wallet that works along with your seed phrase to encrypt and defend your wallet. A PIN, https://mediasocially.com/story4009193/bip39-word-list-https-linktr-ee-bip39-helping-the-others-realize-the-advantages-of-bip39