Bip39 Standard. Is passphrase the same as PIN? No, a passphrase will not be the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection for your wallet that works together with your seed phrase to encrypt and shield your wallet. https://bookmarkshq.com/story20342428/bip39-mnemonic-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic