Bip39 Standard. Is passphrase similar to PIN? No, a passphrase isn't similar to a PIN. A passphrase, within the context of Bitcoin wallets, is an extra layer of safety to your wallet that actually works along with your seed phrase to encrypt and guard your wallet. A PIN, Then again, https://extrabookmarking.com/story19479910/bip39-words-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained