Bip39 Compatible Wallet. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of protection for your wallet that actually works alongside your seed phrase to encrypt and secure your wallet. A PIN, On the https://ok-social.com/story4100793/bip39-wallets-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained