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Simply put, post-quantum technology is a new generation of security technology that can resist attacks from quantum computers. As we all know, traditional encryption systems—whether the digital signatures used in bank transfers or website logins—base their security on mathematical problems like large integer factorization or discrete logarithms. These problems are extremely difficult for traditional computers to break, yet they are tailor-made "specialties" for quantum computers. In theory, once sufficiently powerful quantum computers emerge, the existing public key cryptography system will collapse instantly, and the security foundation of the internet will cease to exist.

So, what are the key ways that post-quantum technology demonstrates its importance?

First, it is a solid shield for protecting national and commercial secrets. Consider this: future quantum computers could easily decrypt today's encrypted information. This means sensitive data that is currently intercepted and stored could potentially be decrypted in the future. Post-quantum cryptographic technology ensures that today's secrets remain secure in the future, avoiding the strategic risk of "store now, decrypt later."

Second, it is the stabilizing force for safeguarding the digital economy and social operations. From mobile payments and blockchain to smart locks, every corner of modern society relies on cryptographic technology. Without the ability to resist quantum attacks, financial systems will face the risk of asset theft, and interconnected devices like autonomous vehicles and smart homes will be wide open to attack. Post-quantum technology exists precisely to reinforce the trust foundation of the digital economy and ensure the smooth operation of social life.

Therefore, developing and quickly migrating to post-quantum cryptography is no longer a scientist's prediction, but a critical deployment we must complete to welcome the quantum era. This is not merely a technological competition, but a defense of future digital sovereignty.