Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works alongside your seed phrase to encrypt and safeguard your wallet. A PIN, https://bookmarkworm.com/story18823685/bip39-words-https-linktr-ee-bip39-not-known-facts-about-bip39