Bip39-Standalone. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works along with your seed phrase to encrypt and guard your wallet. A PIN, https://directmysocial.com/story4229471/bip39-list-https-linktr-ee-bip39-a-review-of-bip39-generator