{"id":244409,"date":"2026-09-23T01:26:29","date_gmt":"2026-09-23T06:26:29","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/09\/quantum-protocol-securely-verifies-a-devices-position-using-stations-2-km-apart"},"modified":"2026-09-23T01:26:29","modified_gmt":"2026-09-23T06:26:29","slug":"quantum-protocol-securely-verifies-a-devices-position-using-stations-2-km-apart","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/09\/quantum-protocol-securely-verifies-a-devices-position-using-stations-2-km-apart","title":{"rendered":"Quantum protocol securely verifies a device\u2019s position using stations 2 km apart"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/quantum-protocol-securely-verifies-a-devices-position-using-stations-2-km-apart2.jpg\"><\/a><\/p>\n<p>Reliably verifying the location of a device connected to the internet or other networks is important for various real-world applications. For instance, it could be valuable for authorizing financial transactions, securing communications and controlling who can access specific databases or services.<\/p>\n<p>Some current methods used to verify a device\u2019s position can be deceived using various techniques, such as GPS spoofing, manipulation of location data and relay attacks. These techniques allow attackers to transmit counterfeit satellite-navigation signals, alter software-reported GPS coordinates or intercept and forward verification messages, respectively.<\/p>\n<p>Researchers at the University of Science and Technology of China recently developed a quantum position-verification protocol that could securely and reliably confirm the location of devices in a network. Their protocol, introduced in <a href=\"https:\/\/www.nature.com\/articles\/s41567-026-03439-5\" target=\"_blank\">a paper published in <i>Nature Physics<\/i><\/a>, successfully authenticated a device\u2019s position using two verifiers separated by 2 km (1.2 miles), narrowing its possible location to a range of 74.3 meters (244 feet).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Reliably verifying the location of a device connected to the internet or other networks is important for various real-world applications. For instance, it could be valuable for authorizing financial transactions, securing communications and controlling who can access specific databases or services. Some current methods used to verify a device\u2019s position can be deceived using various [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45,418,1617,8],"tags":[],"class_list":["post-244409","post","type-post","status-publish","format-standard","hentry","category-finance","category-internet","category-quantum-physics","category-space"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/244409","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=244409"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/244409\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=244409"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=244409"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=244409"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}