{"id":588930,"date":"2026-04-24T19:33:01","date_gmt":"2026-04-24T19:33:01","guid":{"rendered":"https:\/\/e-bitco.in\/index.php\/2026\/04\/24\/quantum-computer-breaks-15-bit-elliptic-curve-cryptographic-key\/"},"modified":"2026-04-24T19:33:01","modified_gmt":"2026-04-24T19:33:01","slug":"quantum-computer-breaks-15-bit-elliptic-curve-cryptographic-key","status":"publish","type":"post","link":"https:\/\/e-bitco.in\/index.php\/2026\/04\/24\/quantum-computer-breaks-15-bit-elliptic-curve-cryptographic-key\/","title":{"rendered":"Quantum computer breaks 15-bit elliptic curve cryptographic key"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/images.cointelegraph.com\/images\/840_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjYtMDQvMDE5ZGMwODMtM2RjOS03NjE0LWE5YzItMmY1MWVjOWI4MDBmLmpwZw==.jpg\" alt=\"Quantum computer breaks 15-bit elliptic curve cryptographic key\" class=\"type:primaryImage\" \/><\/p>\n<p>The Bitcoin community continues to debate whether cryptographically relevant quantum computers are imminent or decades away.<\/p>\n<p>Project Eleven, a quantum security research company, awarded a prize to researcher Giancarlo Lelli for using a quantum computer to break a 15-bit elliptic-curve key \u2014 a small-scale version of the same cryptography used in Bitcoin, which relies on far larger 256-bit keys.<\/p>\n<p>Lelli was able to derive a private key from the public key paired to it, using a \u201cvariant\u201d of Shor\u2019s algorithm, an integer factorization algorithm for quantum computers, according to Project 11\u2019s announcement on Friday.<\/p>\n<p>Bitcoin\u2019s keys are 256 bits long, representing a \u201clarge\u201d gap from the 15-bit key Lelli was able to crack, Project 11 said. However, the gap between Bitcoin\u2019s 256-bit keys and the number of bits a quantum computer can factor has \u201cfallen sharply\u201d since 2025. Project 11 added.<\/p>\n<p><a href=\"https:\/\/cointelegraph.com\/news\/quantum-computer-bit-elliptic-curve-key\">Read more<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The Bitcoin community continues to debate whether cryptographically relevant quantum computers are imminent or decades away. Project Eleven, a quantum security research company, awarded a prize to researcher Giancarlo Lelli for using a quantum computer to break a 15-bit elliptic-curve key \u2014 a small-scale version of the same cryptography used in Bitcoin, which relies on [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-588930","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-blockchain"},"_links":{"self":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/588930","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/comments?post=588930"}],"version-history":[{"count":0,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/posts\/588930\/revisions"}],"wp:attachment":[{"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/media?parent=588930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/categories?post=588930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/e-bitco.in\/index.php\/wp-json\/wp\/v2\/tags?post=588930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}