Bip39 Seed Generator. Because of the cryptographic layout of BIP-39, a weak passphrase isn't going to reduce the security of one other wallets or enable expose the seed words. What constitutes a "very good wallet" is one which has clear, easy to accessibility documentation on supported BIP expectations, derivation paths, https://total-bookmark.com/story18952206/bip39-word-list-pdf-https-linktr-ee-bip39-a-review-of-bip39-generator