Bip39 Mnemonic. Is passphrase the same as PIN? No, a passphrase is just not similar to a PIN. A passphrase, during the context of Bitcoin wallets, is an additional layer of protection to the wallet that actually works along with your seed phrase to encrypt and shield your wallet. A https://wearethelist.com/story20911327/bip39-wallets-https-linktr-ee-bip39-an-unbiased-view-of-bip-39