Bip39 Seed Phrase. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of protection to the wallet that actually works along with your seed phrase to encrypt and protect your wallet. A https://bookmarkfox.com/story4731824/bip39-words-https-linktr-ee-bip39-an-unbiased-view-of-bip-39