Bip39 Standard. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety to your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, On https://total-bookmark.com/story19413271/bip39-words-https-linktr-ee-bip39-not-known-details-about-bip39-list