Bip39 Mnemonic Code Converter Tool. 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 on your wallet that actually works together with your seed phrase to encrypt and defend your wallet. A https://tvsocialnews.com/story4223661/bip39-list-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained