While this tool makes use of the official BIP39 wordlist, You can't manually produce a cryptographically secure mnemonic phrase by choosing words at random through the list. A legitimate BIP39 phrase involves: It is useful for growth, testing, UX evaluation, and schooling when you should inspect or demonstrate how mnemonic https://thefairlist.com/story11835838/5-simple-techniques-for-bip39-mnemonic-code