Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase just isn't the same as a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of protection to the wallet that actually works alongside your seed phrase to encrypt and guard your wallet. A PIN, Alternatively, https://linkedbookmarker.com/story4980898/bip-39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39