Bip39 Wallet. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety for your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://get-social-now.com/story4181063/bip39-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting