Bip39 Tool. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of protection on your wallet that works together with your seed phrase to encrypt and guard your wallet. A PIN, https://techonpage.com/story4176505/bip39-generator-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained