Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is not really similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection in your wallet that actually works along with your seed phrase to encrypt and defend your wallet. A https://mediajx.com/story21716738/bip39-wallet-https-linktr-ee-bip39-bip39-words-fundamentals-explained