Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase just isn't similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability to the wallet that actually works along with your seed phrase to encrypt and secure your wallet. A PIN, https://yxzbookmarks.com/story18898914/bip39-wallets-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39