Bip39 Mnemonic Code Converter Tool. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of protection to the wallet that works along with your seed phrase to encrypt and protect your wallet. A https://ledbookmark.com/story4400432/bip39-words-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained