Bip39 Seed. Thanks to the cryptographic structure of BIP-39, a weak passphrase will not reduce the security of one other wallets or enable reveal the seed words. What constitutes a "very good wallet" is one which has obvious, easy to accessibility documentation on supported BIP standards, derivation paths, and recovery https://natural-bookmark.com/story19343478/bip39-wallets-https-linktr-ee-bip39-bip39-words-an-overview