Bip39 Standard. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of security towards your wallet that actually works together with your seed phrase to encrypt and secure your wallet. A PIN, However, https://mysocialguides.com/story4434346/bip39-mnemonic-https-linktr-ee-bip39-not-known-facts-about-bip39