Bip39 Checksum. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety for your wallet that works along with your seed phrase to encrypt and safeguard your wallet. A PIN, However, https://bookmarkinglife.com/story4270915/bip39-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39