A cybersecurity engineer hacked a classic Casio F-91W digital watch to function as a contactless payment device using NFC technology, combining nostalgia with modern innovation. The project eliminates the need to unlock phones or dig for cards when making small payments at point-of-sale terminals.
Background
The Casio F-91W is an iconic budget digital watch first released in 1989, known for its 7-year battery life and cult following among tech enthusiasts.
- Source
- Lobsters
- Published
- Aug 22, 2026 at 01:08 PM
- Score
- 6.0 / 10