Here's how officials are keeping votes secure on Election Day

North Carolina takes a multipronged approach to election security. Unique serial numbers on mail-in ballots allow the voter to be removed from the system once they are processed. Hundreds of thousands of test ballots are run through voting machines and audited for accuracy. Polling sites are observed by bipartisan poll watchers and trained officials and voting machines are never connected to the internet. Paper receipts are securely stored in case of a recount or audit. Results are stored on encrypted data sticks and locked in high-security facilities operated by state and county boards of elections.

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