Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase will not be the same as a PIN. A passphrase, while in the context of Bitcoin wallets, is an additional layer of safety towards your wallet that works together with your seed phrase to encrypt and protect your wallet. https://bookmarkoffire.com/story19042374/bip39-list-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work