Story perspectives

World's Smallest QR Code: 2TB Data Storage Breakthrough

2/28/2026

Summary

Story summary

The Technical University of Vienna (TU Wien) and Cerabyte created the world's smallest QR code, measuring 1.98 square micrometers, verified by Guinness World Records, and readable only with an electron microscope.
The ceramic material enables long-term data preservation without energy and could store over 2 terabytes in an A4 area.
This approach could address traditional storage lifespans and provide sustainable, reliable data storage in the future.

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Story summary

The Technical University of Vienna (TU Wien) and Cerabyte created the world's smallest QR code, measuring 1.98 square micrometers, verified by Guinness World Records, and readable only with an electron microscope.
The ceramic material enables long-term data preservation without energy and could store over 2 terabytes in an A4 area.
This approach could address traditional storage lifespans and provide sustainable, reliable data storage in the future.