IBM’s Think 2018 Conference introduced its audience to the world’s smallest computer. It is smaller than a grain of salt and features all the internal components found on a home computer. In order to view the computer, a convex lens is needed.

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This computer features a built-in processor, SRAM, and uplink communication in the form of LED, integrated photovoltaic, and a light sensing photodetector. The processor contains up to one million transistors, which is powerful enough to replicate a computer from 1990. The cost to manufacture this computer alone is only ten cents.

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This computer is part of IBM’s cryptographic anchors’ rollout within the next five years. It will be used and placed on products in order to authenticate its quality, as it leaves a manufacturing facility and makes its ways into retail stores. Besides validating a product authenticity, it is capable of storing and assorting data.