Bip39 Vs Slip39. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety to your wallet that actually works together with your seed phrase to encrypt and guard your wallet. A PIN, https://socialistener.com/story4129457/ian-coleman-bip39-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled