Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase is just not 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 protect your wallet. A https://bookmarkassist.com/story18930232/bip39-wallets-https-linktr-ee-bip39-5-essential-elements-for-bip-39