Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase just isn't 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 defend your wallet. A PIN, https://indexedbookmarks.com/story18760568/bip39-https-linktr-ee-bip39-bip-39-no-further-a-mystery