Bip39 Ian Coleman. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of security on your wallet that works along with your seed phrase to encrypt and protect your wallet. https://mysitesname.com/story8417549/bip39-list-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy