Bip39 Vs Slip39. The passphrase is just not picked through the predefined list of 2048 words – it could be any word or phrase you select. What constitutes a "great wallet" is one that has apparent, very easy to obtain documentation on supported BIP requirements, derivation paths, and Restoration procedures. https://greatbookmarking.com/story18949994/bip39-words-https-linktr-ee-bip39-not-known-factual-statements-about-bip39-list