Bip39 Tool. 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 security towards your wallet that works along with your seed phrase to encrypt and guard your wallet. https://bookmarkalexa.com/story4551765/bip39-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase