Bip39 Seed. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of security in your wallet that actually works along with your seed phrase to encrypt and defend your wallet. A PIN, https://social40.com/story4479316/bip39-mnemonic-https-linktr-ee-bip39-the-bip39-wallet-diaries