Bip39 Word List Numbers. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. https://bookmarkspy.com/story20120995/bip39-https-linktr-ee-bip39-bip-39-no-further-a-mystery