Bip39 Tool. Is passphrase similar to PIN? No, a passphrase isn't the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works together with your seed phrase to encrypt and shield your wallet. A PIN, However, https://thesocialroi.com/story9271759/bip39-passphrase-https-linktr-ee-bip39-about-ian-coleman-bip39