Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of protection to your wallet that works together with your seed phrase to encrypt and safeguard your wallet. A PIN, https://socialexpresions.com/story5069546/bip39-mnemonic-https-linktr-ee-bip39-a-review-of-bip39-words