Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://linkingbookmark.com/story19360622/bip39-wallets-https-linktr-ee-bip39-the-bip39-wallet-diaries