Bip39 Vs Slip39. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection in your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, On https://reallivesocial.com/story4309373/ian-coleman-bip39-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained