Bip39 List. Is passphrase similar to PIN? No, a passphrase will not be similar to a PIN. A passphrase, while in the context of Bitcoin wallets, is an extra layer of safety to the wallet that actually works along with your seed phrase to encrypt and guard your wallet. A https://bookmark-group.com/story5155815/bip-39-https-linktr-ee-bip39-a-secret-weapon-for-bip39-mnemonic