Bip39 Standard. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of safety for your wallet that actually works alongside your seed phrase to encrypt and protect your wallet. A PIN, https://checkbookmarks.com/story4469761/bip39-passphrase-https-linktr-ee-bip39-not-known-details-about-bip39-list