Bip39 Standard. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of security for your wallet that actually works along with your seed phrase to encrypt and defend your wallet. A PIN, However, is https://bookmarkchamp.com/story19458685/bip39-generator-https-linktr-ee-bip39-a-review-of-bip39-words