Bip39 encoding https://list.ly/i/11078004 It is really crucial that the mnemonic sentences are produced from randomly picked numbers! These figures can be produced in a number of different ways, that are explained in other articles here, like "What's an RNG" and Seed Phrase Technology. This functions simply because BIP39 is supported https://sociallawy.com/story10537982/bip39-compliant-passphrase-bip39-compatible-wallet-options-https-x-com-tundra838554