C Seed Value Generator To create a seed phrase this way, You'll have a calculator which has a RANDOM function (for creating entropy). Find out more about building a seed phrase employing an offline calculator here. BIP39 specifies a list of 2048 words from which the mnemonic phrase is preferred. https://directory-star.com/listings13019779/bip39-checksum-calculator-detailed-notes-on-seed-phrase-generator