Bip39 Ledger To produce a seed phrase this fashion, You will need a calculator that has a RANDOM function (for creating entropy). Find out more about building a seed phrase utilizing an offline calculator below. These words are taken from a selected list of 2048 words. The word list is https://freedirectory4u.com/listings12989856/bip39-word-list-the-single-best-strategy-to-use-for-bip39-word-list