QR Code

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Full Title or Meme

A QR Code is just a specific two dimensal extension of a bar code.

Context

  • Used on Web Sites and physical sites to carry URLs and similar encoded Identifiers.
  • Is not proposed as a cure-all for places where fully digital transmission of information is not trusted or not possible, or as a fall back for digital device not functioning correctly.
  • It is often proposed as a solution to digital exchanges where a radio signal is not possible.

Problems

References

  1. Vint Cert On QR Codes and Saftey CACM 66 No. 2 p. 7 (2022-02)