A few states are using direct recording systems, without a paper trail: https://ballotpedia.org/Voting_methods_and_equipment_by_state https://ballotpedia.org/V

A few states are using direct recording systems, without a paper trail: https://ballotpedia.org/Voting_methods_and_equipment_by_state https://ballotpedia.org/Voting_methods_and_equipment_by_stat... "Currently only one state — Louisiana — keeps no paper trail of votes at all. Counties in eight states — Indiana, Kansas, Kentucky, Mississippi, New Jersey, Oklahoma, Tennessee and Texas — use a hybrid system" where some, but not all votes will have a paper trail. (from https://madison.com/on-paper-ballots-for-the-2020-election/article_76cdf4a5-6ede-5c09-bf20-46e0082c5262.html https://madison.com/on-paper-ballots-for-the-2020-election/a...)