Bip39 Standard. Is passphrase the same as PIN? No, a passphrase is not the same as a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to the wallet that actually works along with your seed phrase to encrypt and guard your wallet. A https://pageoftoday.com/story4944066/bip39-https-linktr-ee-bip39-bip39-words-secrets