Bip39 Seed. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, during the context of Bitcoin wallets, is an extra layer of protection to your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A https://e-bookmarks.com/story4420226/bip39-mnemonic-https-linktr-ee-bip39-the-fact-about-bip39-words-that-no-one-is-suggesting