Bip39 Word List Numbers. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of stability in your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A https://bookmarknap.com/story10018568/bip39-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic