The QR code looks the same, but the money behind your UPI payment may now come from very different places. Scan the QR code.

Data beats greenwashing. How a simple QR code connects you to a massive European database that exposes fake sustainability ...

I've used Google Sheets for a long time, but mostly for basic work and personal data management. I thought it was too ...

In this week’s episode, Hackaday Editors Elliot Williams and Tom Nardi start things off by getting excited about the recently announced 2026 Retrocomputing Challenge. From there the ...

Quick Response (QR) codes have become an indispensable component of modern digital infrastructure, seamlessly bridging ...

Liquid Group and PagBrasil today announced the successful launch of Phase 1 of their cross-border QR payment collaboration, enabling participating banking apps and digital wallets connected to Liquid ...

QR codes are everywhere now. Restaurants use them for menus, parking meters use them for payments, businesses use them for promotions, and you’ll even find them on packages and signs. Most are ...

Link shorteners have been a staple of the online world for over two decades now, but they’ve got some issues– for one thing, it’s totally non-transparent where the link actually ...

Generation X values straightforward messaging, value and proof (reviews, testimonials, case studies and before-and-after examples). Millennials value convenience, personalized mail and entertaining ...

Moldy dishes left behind at checkout can turn into a real problem for an Airbnb guest, not just an eyesore for whoever cleans ...

Tech pro ThioJoe demonstrates a simple method for creating personalized QR codes that allow guests to connect to your Wi-Fi ...

Recipients who scan the QR code in those letters are sent to an imitation website that asks for personal and financial details.