Bip39 Ian Coleman. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety towards your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, https://1001bookmarks.com/story18545144/bip39-passphrase-https-linktr-ee-bip39-top-guidelines-of-bip39-mnemonic