Bip39 Word List. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety to the wallet that actually works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, on https://ok-social.com/story4829000/bip39-list-https-linktr-ee-bip39-a-review-of-bip39-words