Scientists have recently developed a faster method of creating quantum keys, which are essential for secure communication. The new process utilizes a form of quantum teleportation, which enables the transfer of quantum information without the need for physical particles. This new method could enable quantum key distribution over longer distances and with higher security. By eliminating the need for physical particles, the new process could help make quantum key distribution more practical, secure, and cost-effective.

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source: Phys.org