Bip39 Compatible Wallet. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety on your wallet that actually works along with your seed phrase to encrypt and defend your wallet. https://social-medialink.com/story4520318/bip39-words-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy