Bip39 Checksum. The passphrase is not really selected with the predefined list of 2048 words – it can be any word or phrase you decide on. What constitutes a "good wallet" is one which has distinct, straightforward to accessibility documentation on supported BIP benchmarks, derivation paths, and recovery procedures. This https://get-social-now.com/story4763189/bip39-word-list-https-linktr-ee-bip39-bip39-words-fundamentals-explained