Bip39 Seed. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of security to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. A PIN, On https://bookmarkgenious.com/story18939450/bip39-word-list-pdf-https-linktr-ee-bip39-about-ian-coleman-bip39