Bip39 Words. Is passphrase the same as PIN? No, a passphrase just isn't similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security towards your wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, https://webnowmedia.com/story4925646/bip39-wallet-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled