319 points by todsacerdoti 89 days ago | 123 comments
Show HN: Embedding WebAssembly in QR Codes(strich.io) QR codes normally contain URLs which are opened in a web browser, but there’s nothing stopping you from putting something else in there. For reasons I do not fully understand, I’ve decided to embed WebAssembly in a QR code.
What's inside the QR code menu at this cafe?(peabee.substack.com) A few days ago, I went to a cafe near my home. I sat down and scanned the QR code on the table. It took me to a website displaying the cafe's menu. It asked me for my name and Whatsapp mobile number. I entered the details and placed the order.