Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, from the context of Bitcoin wallets, is an additional layer of security in your wallet that works alongside your seed phrase to encrypt and defend your wallet. A PIN, Then https://bookmarkshome.com/story4278757/bip39-mnemonic-https-linktr-ee-bip39-bip39-wallet-fundamentals-explained