Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of safety to the wallet that actually works together with your seed phrase to encrypt and protect your wallet. A PIN, https://sitesrow.com/story9497150/bip39-word-list-pdf-https-linktr-ee-bip39-5-essential-elements-for-bip-39