Bip39 Words. Is passphrase similar to PIN? No, a passphrase is not similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of safety on your wallet that works along with your seed phrase to encrypt and protect your wallet. A PIN, On https://hylistings.com/story20495486/bip39-wallet-https-linktr-ee-bip39-bip39-generator-an-overview