Bip39 Word List. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety to your wallet that actually works together with your seed phrase to encrypt and defend your wallet. https://thebookmarkfree.com/story18786510/bip39-wallets-https-linktr-ee-bip39-the-fact-about-bip39-words-that-no-one-is-suggesting