Bip39 Standard. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of safety for your wallet that actually works alongside your seed phrase to encrypt and defend your wallet. A PIN, Then again, https://apollobookmarks.com/story19546772/bip39-words-https-linktr-ee-bip39-not-known-factual-statements-about-bip39-list