Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security in your wallet that works together with your seed phrase to encrypt and shield your wallet. A PIN, https://guidemysocial.com/story4997403/bip39-mnemonic-https-linktr-ee-bip39-top-latest-five-bip39-generator-urban-news