Bip39 Standard. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of safety for your wallet that works along with your seed phrase to encrypt and safeguard your wallet. A PIN, https://cyberbookmarking.com/story19533348/bip39-word-list-pdf-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase