Bip39 Checksum. Thanks to the cryptographic design of BIP-39, a weak passphrase would not lessen the protection of one other wallets or assistance reveal the seed words. What constitutes a "fantastic wallet" is one which has apparent, straightforward to obtain documentation on supported BIP specifications, derivation paths, and recovery procedures. https://yoursocialpeople.com/story4023407/bip39-wallet-https-linktr-ee-bip39-the-fact-about-bip-39-that-no-one-is-suggesting