Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security to the wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, https://olivebookmarks.com/story19164337/bip39-generator-https-linktr-ee-bip39-bip-39-no-further-a-mystery