Bip39 Seed. Is passphrase the same as PIN? No, a passphrase is just not the same as a PIN. A passphrase, in 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 protect your wallet. https://geniusbookmarks.com/story18907757/bip39-words-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled