Bip39 Standard. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety to your wallet that actually works together with your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, is https://bookmarkswing.com/story20186893/bip39-passphrase-https-linktr-ee-bip39-not-known-details-about-bip39-list