Bip39 Vs Slip39. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an extra layer of protection to your wallet that actually works together with your seed phrase to encrypt and guard your wallet. https://getsocialpr.com/story19775767/bip39-wallets-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean