Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of safety to the wallet that works together with your seed phrase to encrypt and shield your wallet. A PIN, However, https://wearethelist.com/story21293236/bip39-word-list-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean