Bip39 Checksum. Is passphrase the same as PIN? No, a passphrase will not be similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of safety for your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A https://bookmarkextent.com/story20481089/bip-39-https-linktr-ee-bip39-bip39-words-an-overview