{"id":223840,"date":"2017-08-10T09:33:50","date_gmt":"2017-08-10T07:33:50","guid":{"rendered":"https:\/\/mybroadband.co.za\/news\/?p=223840"},"modified":"2017-08-10T09:35:11","modified_gmt":"2017-08-10T07:35:11","slug":"china-sends-unbreakable-quantum-code-from-satellite","status":"publish","type":"post","link":"https:\/\/mybroadband.co.za\/news\/security\/223840-china-sends-unbreakable-quantum-code-from-satellite.html","title":{"rendered":"China sends &#8220;unbreakable&#8221; quantum code from satellite"},"content":{"rendered":"<p>China has transmitted an encrypted\u00a0signal from a satellite using quantum key distribution technology, <strong><a href=\"https:\/\/www.reuters.com\/article\/us-china-space-satellite-idUSKBN1AQ0C9\" target=\"_blank\" rel=\"noopener\">Reuters reported<\/a><\/strong>.<\/p>\n<p>It launched the first quantum satellite in August 2016, with the latest experiment detailed in the journal Nature.<\/p>\n<p>According to the report, the satellite distributed quantum keys to ground stations in China between 645km and 1,200km away.<\/p>\n<p>The satellite achieved transmission rates that were up to\u00a020 orders of magnitude more efficient than optical fibre.<\/p>\n<p>Researchers said this can\u00a0meet the demands of making an absolutely safe phone call, or transmitting a large amount of bank data.<\/p>\n<p>They explained that any attempt to eavesdrop on the quantum channel would introduce detectable disturbances to the system, and if\u00a0intercepted or measured, the quantum state of the key will change &#8211; causing the intercepted data to &#8220;self-destruct&#8221;.<\/p>\n<h3 class=\"my-4\">Now read:\u00a0<a href=\"https:\/\/mybroadband.co.za\/news\/science\/219276-photon-quantum-teleported-from-earth-to-orbit.html\">Photon quantum teleported from Earth to orbit<\/a><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>China has transmitted an encrypted\u00a0signal from a satellite using quantum key distribution technology.<\/p>\n","protected":false},"author":23,"featured_media":186695,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[40828],"class_list":["post-223840","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-security","tag-quantum-key-distribution"],"_links":{"self":[{"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/posts\/223840"}],"collection":[{"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/users\/23"}],"replies":[{"embeddable":true,"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/comments?post=223840"}],"version-history":[{"count":2,"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/posts\/223840\/revisions"}],"predecessor-version":[{"id":223896,"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/posts\/223840\/revisions\/223896"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/media\/186695"}],"wp:attachment":[{"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/media?parent=223840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/categories?post=223840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mybroadband.co.za\/news\/wp-json\/wp\/v2\/tags?post=223840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}