Bip39 Mnemonic. Because of the cryptographic structure of BIP-39, a weak passphrase doesn't reduce the safety of one other wallets or support expose the seed words. What constitutes a "good wallet" is one which has crystal clear, easy to entry documentation on supported BIP criteria, derivation paths, and Restoration processes. https://sociallytraffic.com/story4432658/bip39-passphrase-https-linktr-ee-bip39-the-best-side-of-bip39-mnemonic