Bip39 typescript http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf It is crucial that the mnemonic sentences are produced from randomly picked numbers! These figures could be produced in a number of different ways, which happen to be explained in other article content here, like "What's an RNG" and Seed Phrase Generation. Thanks to the cryptographic design https://www.gamespot.com/profile/pothirpeib/