Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is just not the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of stability to the wallet that works along with your seed phrase to encrypt and shield your wallet. A PIN, https://bookmarkstime.com/story19212898/bip39-passphrase-https-linktr-ee-bip39-how-much-you-need-to-expect-you-ll-pay-for-a-good-ian-coleman-bip39