Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of stability to the wallet that works alongside your seed phrase to encrypt and shield your wallet. A PIN, on https://bookmark-template.com/story23501387/bip39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39