🛠️ Invention or technique

QR code

Código QR

Date
1994 · confidence high
Place
Denso Wave, Kariya, Aichi, Japan
Credited to
Masahiro Hara (Denso Wave)
People
👤 Masahiro Hara1957–
Field
Knowledge & symbols

What it is

A fast-reading two-dimensional code with error correction, released royalty-free, devised to track car parts. With the phone camera it became the universal bridge between the physical and digital worlds.

What it led to

  • Mobile payments in China (Alipay, WeChat Pay) and India (UPI)
  • Digital menus, tickets and health certificates after the pandemic
  • Industrial traceability
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