Bip39 Seed. Is passphrase similar to PIN? No, a passphrase is not really the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an extra layer of stability in your wallet that actually works along with your seed phrase to encrypt and guard your wallet. A https://bookmarkshome.com/story4243697/bip39-mnemonic-https-linktr-ee-bip39-an-unbiased-view-of-bip-39