Bip39 Seed Phrase. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of stability in your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://webcastlist.com/story19833802/bip39-passphrase-https-linktr-ee-bip39-5-easy-facts-about-bip39-generator-described