Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase is not the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of stability to the wallet that works along with your seed phrase to encrypt and protect your wallet. A PIN, https://johsocial.com/story10042868/bip39-generator-https-linktr-ee-bip39-a-review-of-bip39-generator