Bip39 Compatible Wallet. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability to your wallet that actually works together with your seed phrase to encrypt and guard your wallet. A PIN, https://companyspage.com/story4142767/bip39-wallet-https-linktr-ee-bip39-not-known-details-about-bip39-wallets