Bip39 Algorithm. These words are then employed to create a seed, which happens to be utilized for generating extended keys in a very hierarchical deterministic wallet. The essential matter to be familiar with is that any letter following the fourth 1 isn't appropriate to backing up and recovering your wallet. https://finance-meaning82581.wikinarration.com/6467816/the_anatomy_of_a_bip39_phrase_entropy_words_and_stability