Bip39 Tool. Is passphrase similar to 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 safety towards your wallet that actually works along with your seed phrase to encrypt and guard your wallet. A PIN, https://hylistings.com/story20198944/bip-39-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled