[{"data":1,"prerenderedAt":91},["ShallowReactive",2],{"news-\u002Fnews\u002Fproject-leap-tests-pq-signatures-payments":3},{"id":4,"title":5,"author":6,"authorTitle":7,"authorUrl":8,"body":9,"canonical":8,"category":43,"date":44,"description":45,"draft":46,"extension":47,"faqs":48,"findingsSource":8,"geo":58,"image":60,"industries":61,"keyFindings":8,"meta":64,"modified":65,"navigation":66,"path":67,"pullquote":8,"recommendations":8,"references":68,"related":72,"seo":79,"seoTitle":80,"signposts":8,"slug":81,"stats":8,"stem":82,"tags":83,"tldr":89,"__hash__":90},"news\u002Fnews\u002Fproject-leap-tests-pq-signatures-payments.md","Project Leap Tests Post-Quantum Signatures in Live Payment Systems","ArcQubit Team","",null,{"type":10,"value":11,"toc":39},"minimark",[12,17,24,27,30,33],[13,14,16],"h2",{"id":15},"project-leap-tests-post-quantum-signatures-in-live-payment-systems","Project Leap tests post-quantum signatures in live payment systems",[18,19,20],"p",{},[21,22,23],"strong",{},"1 DECEMBER 2025, BASEL",[18,25,26],{},"Project Leap completed its second phase in December 2025, testing post-quantum signatures in live payment systems. The BIS Innovation Hub ran the work with the Banque de France, the Bundesbank, Banca d'Italia, Nexi-Colt and Swift. By involving real institutions and real infrastructure, the project moved post-quantum cryptography out of the laboratory and into practical payment settings.",[18,28,29],{},"The headline finding is encouraging but qualified. Post-quantum signatures work in live payment systems, but they add processing time compared with current cryptography. That result points to a real-world cost, which helps institutions plan for the performance impact of migration rather than discover it late in their own rollouts.",[18,31,32],{},"Testing in live systems is what gives the finding its value. Laboratory tests cannot fully reveal how new cryptography behaves under real payment loads and integrations, so running the signatures through actual systems with real institutions surfaces practical issues like processing time. Those are exactly the issues institutions need to understand before committing to a full migration.",[18,34,35,38],{},[21,36,37],{},"Why it matters."," Project Leap gives the financial sector hard evidence that post-quantum signatures function in live payment systems, along with a clear caveat about added processing time. That combination lets institutions plan realistically, budgeting for performance effects instead of assuming a seamless swap. The involvement of major central banks and Swift signals that the sector is actively testing migration, not just discussing it.",{"title":7,"searchDepth":40,"depth":40,"links":41},2,[42],{"id":15,"depth":40,"text":16},"Analysis","2025-12-01","Project Leap completed its second phase in December 2025, testing post-quantum signatures in live payment systems; they work but add processing time.",false,"md",[49,52,55],{"q":50,"a":51},"What did Project Leap test?","Project Leap tested post-quantum signatures in live payment systems. Its second phase, completed in December 2025, involved the BIS Innovation Hub with the Banque de France, Bundesbank, Banca d'Italia, Nexi-Colt and Swift, demonstrating post-quantum cryptography in real payment infrastructure.",{"q":53,"a":54},"What did phase 2 find?","The test showed that post-quantum signatures work in live payment systems but add processing time compared with current cryptography. That finding is useful because it points to a real-world cost, helping institutions plan for the performance impact of migration.",{"q":56,"a":57},"Why test in live payment systems?","Laboratory tests cannot fully reveal how new cryptography behaves under real payment loads and integrations. Testing in live systems, with real institutions, surfaces practical issues like processing time that institutions must account for before committing to a full migration.",[59],"basel","\u002Fassets\u002Fog-default.png",[62,63],"Financial Services","Information Technology",{},"2026-09-14",true,"\u002Fnews\u002Fproject-leap-tests-pq-signatures-payments",[69],{"label":70,"url":71},"BIS Innovation Hub, \"Project Leap: quantum-proofing the financial system, phase 2,\" Dec. 2025.","https:\u002F\u002Fwww.bis.org\u002Fabout\u002Fbisih\u002Ftopics\u002Fcyber_security\u002Fleap.htm",[73,76],{"label":74,"url":75},"BIS Papers No. 158 Urges Banks to Start Post-Quantum Work Now","\u002Fnews\u002Fbis-papers-158-start-post-quantum-now",{"label":77,"url":78},"G7 Financial-Sector Post-Quantum Roadmap Targets 2030 to 2032","\u002Fnews\u002Fg7-financial-sector-post-quantum-roadmap-2030-2032",{"title":5,"description":45},"Project Leap Tests PQ Signatures in Live Payments","project-leap-tests-pq-signatures-payments","news\u002Fproject-leap-tests-pq-signatures-payments",[84,85,86,87,88],"financial services","post-quantum cryptography","quantum readiness","industry analysis","for enterprises","Project Leap completed its second phase in December 2025, testing post-quantum signatures in live payment systems and finding they work but add processing time.","yEPQ8QaZloo25HnNBEyDrrqteadg3jQOT03Ifj6mXl4",1792182886101]