Bip39. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of safety for your wallet that actually works together with your seed phrase to encrypt and secure your wallet. A PIN, However, https://bookmarknap.com/story8899912/bip-39-https-linktr-ee-bip39-a-review-of-bip39-generator