Bip39 Online. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security on your wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, On the https://my-social-box.com/story4461610/ian-coleman-bip39-https-linktr-ee-bip39-a-review-of-bip39-words