Bip39 Mnemonic Code Converter Tool. Is passphrase the same as PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security towards your wallet that works along with your seed phrase to encrypt and shield your wallet. https://210list.com/story19189371/bip39-words-https-linktr-ee-bip39-a-review-of-bip39-generator