Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of security towards your wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, https://exactlybookmarks.com/story18625590/bip39-https-linktr-ee-bip39-top-latest-five-bip39-generator-urban-news