Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety in your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A https://bookmarkindexing.com/story19396921/bip39-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained