Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of security to the wallet that actually works together with your seed phrase to encrypt and shield your wallet. A PIN, https://guidemysocial.com/story4060858/bip39-wallets-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39