Bip39 Checksum. Due to the cryptographic structure of BIP-39, a weak passphrase doesn't reduce the safety of another wallets or enable expose the seed words. What constitutes a "good wallet" is one that has very clear, easy to obtain documentation on supported BIP criteria, derivation paths, and Restoration processes. This https://socialdummies.com/story4485979/bip39-generator-https-linktr-ee-bip39-not-known-factual-statements-about-ian-coleman-bip39