Bip39 Checksum. Due to the cryptographic style and design of BIP-39, a weak passphrase doesn't reduce the security of the other wallets or aid expose the seed words. words, or enter your personal down below. Mnemonics with below 12 words have low entropy and will be guessed by an attacker. https://bookmarkchamp.com/story19458921/bip39-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained