Novel Long Distance Free Space Quantum Secure Direct Communication for Web 3.0 Networks

Novel Long Distance Free Space Quantum Secure Direct Communication for Web 3.0 Networks | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Novel Long Distance Free Space Quantum Secure Direct Communication for Web 3.0 Networks Yifan Zhou, Xinlin Zhou, Zi Yan Li, Yew Kee Wong, Yan Shing Liang This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5017516/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract With the advent of Web 3.0, the swift advancement of technology confronts an imminent threat from quantum computing. Security protocols safeguarding the integrity of Web 2.0 and Web 3.0 are growing more susceptible to both quantum attacks and sophisticated classical threats. The article introduces our novel long-distance free-space quantum secure direct communication (LF QSDC) as a method to safeguard against security breaches in both quantum and classical contexts. Differing from techniques like quantum key distribution (QKD), LF QSDC surpasses constraints by facilitating encrypted data transmission sans key exchanges, thus diminishing the inherent weaknesses of key-based systems. The distinctiveness of this attribute, coupled with its quantum mechanics base, protects against quantum computer assaults and advanced non-quantum dangers, harmonizing seamlessly with the untrustworthy tenets of the Web 3.0 age. The focus of our study is the technical design and incorporation of LF QSDC into web 3.0 network infrastructures, highlighting its efficacy for extended-range communication. LF QSDC is based on the memory DL04 protocol and enhanced with our novel Quantum-Aware Low-Density Parity Check (LDPC), Pointing, Acquisition, and Tracking (PAT) technologies, and Atmospheric Quantum Correction Algorithm (AQCA). Utilizing this method not only bolsters the security of worldwide Web 3.0 networks but also guarantees their endurance in a time when quantum and sophisticated classical threats exist simultaneously. Consequently, LF QSDC stands out as a robust security solution, well-suited for Web 3.0 systems amidst the constantly evolving digital environment. Quantum Cryptography Web 3.0 Quantum Secure Direct Communication Long-Distance FreeSpace Quantum Secure Direct Communication Quantum Security Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-5017516","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":352270145,"identity":"ac700b28-f98c-487d-92ff-5bee262b54e7","order_by":0,"name":"Yifan Zhou","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAx0lEQVRIiWNgGAWjYFACHiA2+CfHwMDcAGQxE6ul4oAxAwMjSVrOHEhsIFqLwfmzBx/ztt1J33D8YOMHhgrrxAaCWg6cSzbmbXuWu+FMYrMEw5l0IrQc7DGT5m1jzt1wg7FBgrHtMBFaDvOAtaQb3GBs/sH4jxgtx4BaeM4cTgBqaZNgbCBCi+QZHmPDORVphjPPJLZZJBxLNyaohe/8GcMHbwxs5PmOHz5840ONtSxBLQoHkHkJhJSDgDxBQ0fBKBgFo2AUAABs4UMWEparEwAAAABJRU5ErkJggg==","orcid":"","institution":"University of California, Los Angeles","correspondingAuthor":true,"prefix":"","firstName":"Yifan","middleName":"","lastName":"Zhou","suffix":""},{"id":352270146,"identity":"9899a3c1-9b3f-4e54-b400-99925d8afeb5","order_by":1,"name":"Xinlin Zhou","email":"","orcid":"","institution":"Basis International School Guangzhou","correspondingAuthor":false,"prefix":"","firstName":"Xinlin","middleName":"","lastName":"Zhou","suffix":""},{"id":352270148,"identity":"f3501f83-166c-4c50-9576-41275746b82b","order_by":2,"name":"Zi Yan Li","email":"","orcid":"","institution":"Basis International School Guangzhou","correspondingAuthor":false,"prefix":"","firstName":"Zi","middleName":"Yan","lastName":"Li","suffix":""},{"id":352270150,"identity":"8883018d-4d29-49cf-9f86-fbd1c37c8d1b","order_by":3,"name":"Yew Kee Wong","email":"","orcid":"","institution":"Chu Hai College of Higher Education","correspondingAuthor":false,"prefix":"","firstName":"Yew","middleName":"Kee","lastName":"Wong","suffix":""},{"id":352270152,"identity":"08311a73-4f07-41c3-ad0c-a67f48110b61","order_by":4,"name":"Yan Shing Liang","email":"","orcid":"","institution":"New York University","correspondingAuthor":false,"prefix":"","firstName":"Yan","middleName":"Shing","lastName":"Liang","suffix":""}],"badges":[],"createdAt":"2024-09-02 10:24:15","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-5017516/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-5017516/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":83914522,"identity":"0356f5ef-b71d-46f0-b477-6faece9d56c3","added_by":"auto","created_at":"2025-06-04 12:32:12","extension":"pdf","order_by":1,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":470368,"visible":true,"origin":"","legend":"","description":"","filename":"drpxwgbdjhmcbzymkfbwtcyqpqrgjsfg.pdf","url":"https://assets-eu.researchsquare.com/files/rs-5017516/v1_covered_38032453-850e-400b-9d45-d84a437fdec0.pdf"}],"financialInterests":"No competing interests reported.","formattedTitle":"Novel Long Distance Free Space Quantum Secure Direct Communication for Web 3.0 Networks","fulltext":[],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":false,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":true,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":true,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":true,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"Quantum Cryptography, Web 3.0, Quantum Secure Direct Communication, Long-Distance FreeSpace Quantum Secure Direct Communication, Quantum Security","lastPublishedDoi":"10.21203/rs.3.rs-5017516/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-5017516/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"With the advent of Web 3.0, the swift advancement of technology confronts an imminent threat from quantum computing. 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