Bip39 Wallet. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of protection on your wallet that works together with your seed phrase to encrypt and defend your wallet. A PIN, https://sociallweb.com/story4290933/bip39-https-linktr-ee-bip39-bip-39-no-further-a-mystery