Bip39 Seed. Is passphrase the same as PIN? No, a passphrase just isn't the same as a PIN. A passphrase, in the context of Bitcoin wallets, is an additional layer of safety to the wallet that works alongside your seed phrase to encrypt and protect your wallet. A PIN, On https://nanobookmarking.com/story19105720/bip39-mnemonic-https-linktr-ee-bip39-a-review-of-bip39-word-list-pdf