Bip39 Word List. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of protection towards your wallet that works together with your seed phrase to encrypt and shield your wallet. A PIN, On https://exactlybookmarks.com/story19528531/bip39-list-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf