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By harnessing quantum dots and inventive protocols, researchers have cracked a decades-old challenge in quantum encryption, showing secure communication can work without perfect hardware.

This new version added stronger encryption by using a method called AES, which stands for Advanced Encryption Standard. This meant that data sent over Wi-Fi was harder for hackers to crack.

With other forms of encryption, third parties can access the keys to decrypt your data and can potentially give those keys to law enforcement.