Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of protection for your wallet that actually works along with your seed phrase to encrypt and shield your wallet. https://totalbookmarking.com/story18783373/bip39-https-linktr-ee-bip39-not-known-details-about-bip39-list