Bip39 Seed. Because of the cryptographic style of BIP-39, a weak passphrase doesn't reduce the security of the other wallets or help expose the seed words. What constitutes a "great wallet" is one that has crystal clear, straightforward to access documentation on supported BIP criteria, derivation paths, and Restoration procedures. https://royalbookmarking.com/story18788060/bip39-https-linktr-ee-bip39-bip-39-no-further-a-mystery