Bip39 Words. Is passphrase similar to PIN? No, a passphrase is not really similar to a PIN. A passphrase, from the context of Bitcoin wallets, is an extra layer of protection towards your wallet that actually works along with your seed phrase to encrypt and protect your wallet. A PIN, https://optimusbookmarks.com/story18809883/bip39-wallet-https-linktr-ee-bip39-an-unbiased-view-of-bip-39