The US Postal Service filed a patent application for blockchain tracking tech implanted in mail-in ballots in Feb 2020. It was published in Aug 2020, titled SECURE VOTING SYSTEM, and is 47 pages long. Patent #: US 20200258338 A1.
https://pdfaiw.uspto.gov/....
https://pdfaiw.uspto.gov/....
01:16 AM - May 17, 2022
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