Bip39 Standard. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an additional layer of security for your wallet that actually works alongside your seed phrase to encrypt and shield your wallet. A PIN, Alternatively, is https://tinybookmarks.com/story19488163/bip39-generator-https-linktr-ee-bip39-bip39-words-an-overview