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 for your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A https://pageoftoday.com/story4338232/bip39-words-https-linktr-ee-bip39-a-review-of-bip39-generator