Bip39 Standard. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of stability to your wallet that actually works along with your seed phrase to encrypt and guard your wallet. A PIN, However, is https://bookmark-group.com/story5074277/bip39-passphrase-https-linktr-ee-bip39-not-known-facts-about-bip39