145
World's smallest QR code, smaller than bacteria, could store data for centuries
(www.sciencedaily.com)
this post was submitted on 30 Mar 2026
145 points (98.0% liked)
Technology
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Actually QR codes can have something like 99% error correction as long as you're storing only 1 byte and use the biggest QR code format. It's common to scale up by 1 format if you want a logo in the middle.
Most encoders are just programmed for 30%.