QR code: Difference between revisions

Revision as of 12:10, 4 July 2025

Revision as of 15:47, 4 July 2025

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QR codes storing addresses and URLs may appear in magazines, on signs, on buses, on business cards, or on almost any object about which users might want information. Users with a [[camera phone]] equipped with the correct reader application can scan the image of the QR code to display text and contact information, connect to a [[wireless LAN|wireless network]], or open a web page in the phone's browser. This act of linking from physical world objects is termed [[hardlink (hyperlink)|hardlinking]] or [[object hyperlinking]]. QR codes also may be linked to a ___location to track where a code has been scanned. Either the application that scans the QR code retrieves the geo information by using GPS and cell tower triangulation (aGPS) or the URL encoded in the QR code itself is associated with a ___location. In 2008, a Japanese stonemason announced plans to engrave QR codes on gravestones, allowing visitors to view information about the deceased, and family members to keep track of visits.<ref>{{cite news | url=https://www.wired.com/underwire/2008/03/japanese-graves/ | title=Japanese Gravestones Memorialize the Dead With QR Codes | publisher=Wired | date=2008-03-23 | access-date=2013-05-08 | author=Novak, Asami | url-status=live | archive-url=https://web.archive.org/web/20130215103156/http://www.wired.com/underwire/2008/03/japanese-graves | archive-date=15 February 2013}}</ref> Psychologist [[Richard Wiseman]] was one of the first authors to include QR codes in a book, in ''[[Paranormality: Why We See What Isn't There]]'' (2011).<ref name=Skepicality160>{{cite web|author=Skepticality|url=http://www.skepticality.com/paranormality/|title=Paranormality|publisher=Skepticality.com|date=5 July 2011|access-date=27 June 2015|url-status=live|archive-url=https://web.archive.org/web/20150703204012/http://www.skepticality.com/paranormality/|archive-date=3 July 2015}}</ref>{{Failed verification|date=June 2017}} [[Microsoft Office]] and [[LibreOffice]] have a functionality to insert QR code into documents.<ref>{{cite web |url=https://support.microsoft.com/en-us/office/field-codes-displaybarcode-6d81eade-762d-4b44-ae81-f9d3d9e07be3 |title=Field codes: DisplayBarcode |website=Microsoft Support |access-date=22 April 2023}}</ref><ref>{{cite web |url=https://wiki.documentfoundation.org/ReleaseNotes/6.4 |title=LibreOffice 6.4: Release Notes |website=The Document Foundation Wiki |access-date=22 April 2023}}</ref>

QR codes have been incorporated into currency. In June 2011, The [[Royal Dutch Mint]] (''Koninklijke Nederlandse Munt'') issued the world's first official coin with a QR code to celebrate the centenary of its current building and premises. The coin can be scanned by a smartphone and originally linked to a special website with content about the historical event and design of the coin.<ref>{{cite web |url=http://www.knm.nl/Herdenkingsmunt-met-QR-code-volop-in-het-nieuws/nl/news/206/?NieuwsGroepID=1&NWSY=2011&NWSM=6 |language=nl |title=Herdenkingsmunt met QR code volop in het nieuws! |trans-title=Commemorative QR code in the news! |website=Koninklijke Nederlandse Munt |date=21 June 2011 |access-date=27 May 2016 |url-status=live |archive-url=https://web.archive.org/web/20160629104956/http://www.knm.nl/Herdenkingsmunt-met-QR-code-volop-in-het-nieuws/nl/news/206/?NieuwsGroepID=1&NWSY=2011&NWSM=6 |archive-date=29 June 2016}}</ref> In 2014, the Central Bank of Nigeria issued a 100-naira banknote to commemorate its centennial, the first banknote to incorporate a QR code in its design. When scanned with an internet-enabled mobile device, the code goes to a website that tells the centenary story of Nigeria.<ref>{{cite web|url=http://sites.visualead.me/ngp_new/|title=New ₦100 Commemorative Centenary Celebration|access-date=10 September 2015|url-status=live|archive-url=https://web.archive.org/web/20150908142629/http://sites.visualead.me/ngp_new/|archive-date=8 September 2015}}</ref>

In 2015, the [[Central Bank of Russia|Central Bank of the Russian Federation]] issued a 100-[[ruble]]s note to commemorate the [[annexation of Crimea by the Russian Federation]].<ref>{{Cite web |date=December 23, 2015 |title=Russia Marks Crimea Annexation With A Banknote Rapidly Losing Value |url=https://www.npr.org/sections/parallels/2015/12/23/460831232/russia-marks-crimea-annexation-with-a-banknote-rapidly-losing-value |url-status=live |archive-url=https://web.archive.org/web/20151223201150/https://www.npr.org/sections/parallels/2015/12/23/460831232/russia-marks-crimea-annexation-with-a-banknote-rapidly-losing-value |archive-date=December 23, 2015 |access-date=June 20, 2024 |website=NPR}}</ref> It contains a QR code into its design, and when scanned with an internet-enabled mobile device, the code goes to a website that details the historical and technical background of the commemorative note. In 2017, the [[Bank of Ghana]] issued a 5-[[Ghanaian cedi|cedis]] banknote to commemorate 60 years of [[central bank]]ing in [[Ghana]]. It contains a QR code in its design which, when scanned with an internet-enabled mobile device, goes to the official Bank of Ghana website.