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Let’s Enhance How we found rogerkver’s $1000 wallet obfuscated private key (medium.com)
20 points by lukashed 3158 days ago
1 comments

My first encounter with a lot of the concepts of how robust QR codes are and how they work internally was Hackaday embedding logos in them[1]. Needless to say, QR codes are amazing and incredibly powerful

[1]:https://hackaday.com/2011/08/11/how-to-put-your-logo-in-a-qr...

QArt is also worth mentioning: https://research.swtch.com/qart