Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase is just not similar to a PIN. A passphrase, inside the context of Bitcoin wallets, is an additional layer of safety to your wallet that works together with your seed phrase to encrypt and shield your wallet. A PIN, https://socialstrategie.com/story4484766/bip39-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting