Bip39 Dictionary. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of safety in your wallet that actually works along with your seed phrase to encrypt and safeguard your wallet. A https://travialist.com/story8982037/bip39-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic