The document discusses the recent interest in blockchain technology, particularly in relation to a patent filed by the United States Postal Service (USPS) for blockchain voting, which aims to enhance the security and anonymity of mail-in voting amid concerns about election integrity. It highlights the potential of blockchain to revolutionize various sectors, including voting, and emphasizes the growing demand for blockchain developers and training programs. The USPS suggests implementing measures like QR codes linked to a digital voting system to secure mail-in ballots against cyber threats.