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1.-PROJECT TITLE (Short & Professional) Development of a Blockchain-Based Decentralized Authentication Prototype Integrated with SQL Server 2.-BULLET POINT VERSION (If it asks for key points) You can paste this in the bullet/summary section: Academic research prototype (not a full hospital system) Decentralized authentication using blockchain (smart contract) Integration with Microsoft SQL Server Medical records stored in SQL Server (not on blockchain) Blockchain used for authentication hash validation Architecture documentation required Basic performance observation (authentication response time) Conceptual alignment with GDPR and HIPAA (no legal certification required) Full source code and technical explanation required 3.-FULL DESCRIPTION (Complete Version to Post) Hello, I am working on an academic research project and I need a developer to design and implement a prototype of a decentralized authentication system based on blockchain technology, integrated with Microsoft SQL Server. Important: This is strictly an academic prototype. I do NOT need a complete hospital management system. Project Objective The goal is to demonstrate how blockchain-based decentralized authentication can: Enhance security, integrity, and confidentiality Reduce unauthorized access risks Integrate with SQL Server while maintaining interoperability and acceptable performance Conceptually align with GDPR and HIPAA data protection principles Functional Requirements The system must: Allow user registration (e.g., doctors and patients). Implement authentication using a smart contract on a blockchain network. Store authentication hashes or validation logs on blockchain (no medical data on-chain). Store medical records exclusively in Microsoft SQL Server. Validate authentication via blockchain before granting access to SQL Server. Log authentication events for traceability. Technical Requirements Blockchain platform (Ethereum or similar test network) Smart contract implementation Backend (Node.js or Python preferred) Microsoft SQL Server integration Clear architecture diagram Documentation explaining authentication flow and integration strategy Deliverables Full source code Functional smart contract SQL Server database schema Architecture diagram Installation guide Technical documentation (I must fully understand the system for academic presentation) Timeline 6–9 weeks. Please include: Your proposed technical architecture Relevant blockchain experience Estimated cost and timeline Thank you.
ID Projek: 40235636
84 cadangan
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Aktif 17 hari yang lalu
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84 pekerja bebas membida secara purata $177 USD untuk pekerjaan ini

Hi there, As you can see from my profile reviews and ratings, I am a senior blockchain developer with strong experience in smart contracts, backend integration, and secure system architecture. I can help you build this academic prototype in a simple and clear way — using a smart contract on Ethereum testnet for authentication, a Node.js backend, and Microsoft SQL Server for storing medical records securely (no sensitive data on the blockchain). I’ll also provide proper documentation, architecture diagrams, and a clear explanation so you can confidently present it for your research. I would request to connect once to understand your academic requirements a bit better so we can structure the system properly within your timeline. Thanks, Rahul A.
$250 USD dalam 25 hari
8.7
8.7

⭐Hey, I’m ready to assist you right away!⭐ I believe I’d be a great fit for your project since I have extensive experience in blockchain development and academic research. My technical expertise includes backend development, Python, and smart contract implementation. I am confident in delivering a prototype that aligns with your academic requirements and integrates blockchain authentication with Microsoft SQL Server. This project will showcase the revolutionary potential of decentralized authentication using blockchain technology. By integrating with SQL Server and ensuring GDPR and HIPAA alignment, we can enhance security, reduce unauthorized access risks, and achieve optimal performance. I am dedicated to providing a robust solution that meets your academic objectives and technical specifications. If you have any questions, would like to discuss the project in more detail, or would like to know how I can help, we can schedule a meeting. Thank you. Maxim
$30 USD dalam 2 hari
5.4
5.4

As an experienced senior developer with a decade-long track record of delivering high-performance, scalable, and secure solutions, I am confident that I am equipped to deliver on your project objectives. My expertise across a wide range of technologies including blockchain, SQL server integration, and solid backend development using Node.js or Python will prove essential in your quest to develop a blockchain-based decentralized authentication prototype integrated with SQL server. Notably, my skills in AI/ML and my experience developing intelligent workflows and data processing systems using Python dovetail perfectly with your project needs. I am adept at using blockchain for authentication hash validation as you require and have a good understanding of GDPR and HIPAA data protection principles which aligns conceptually with your needs. Therefore, I guarantee you quality, maintainable code with clear architecture diagrams and meticulous technical documentation ensuring that you fully understand the system for your academic presentation. With me on board, rest assured of timely completion, ongoing support beyond delivery due date, at an affordable budget aligned with your proposed timeline. Thank you for considering my profile and I look forward to working with you! With Regards!
$250 USD dalam 7 hari
5.5
5.5

Hi there,Good evening I am Talha. I can work with your project skills Smart Contracts, Backend Development, Technical Documentation, Blockchain, Python, Node.js, Academic Research and Ethereum I am excited to present my proposal, which centers around a personalized approach designed to elevate your project. We will start with an in-depth consultation to gain a deep understanding of your project's unique requirements, goals, and constraints. Our commitment to customization means that we will tailor our services to align perfectly with your project, and we will explain how this approach will meet your expectations. Please note that the initial bid is an estimate, and the final quote will be provided after a thorough discussion of the project requirements or upon reviewing any detailed documentation you can share. Could you please share any available detailed documentation? I'm also open to further discussions to explore specific aspects of the project. Thanks Regards. Talha Ramzan
$30 USD dalam 10 hari
5.2
5.2

⭐️⭐️⭐️⭐️⭐️ Hello, I am excited about the opportunity to develop a prototype for your blockchain-based decentralized authentication system integrated with SQL Server. With extensive experience in blockchain technology, smart contracts, and database integration, I am well-equipped to meet your academic project requirements. My expertise includes designing secure authentication systems, ensuring compliance with GDPR and HIPAA principles, and delivering thorough documentation and source code for academic purposes. I have successfully completed similar projects, focusing on performance optimization and user-friendly architecture. I’m available to start immediately and can commit to the 3–6 week timeline you mentioned. I would love to discuss your proposed technical architecture and share my relevant experience further. Let’s connect to ensure your project is a success! Best regards, Abdulhamid.
$100 USD dalam 1 hari
4.6
4.6

Hi, I hope you're doing well. Authentication in blockchain and smart contracts can be implemented in various ways, such as storing metadata related to doctors and medical staff using NFT standards, generating unique hashes, or applying other suitable mechanisms depending on the requirements. Based on your specific situation, we can discuss the details of the registration entities and determine the most appropriate workflow to follow. I have worked on many DeFi projects, and authentication has always been a critical component of the architecture. We can discuss this further if you'd like.
$180 USD dalam 8 hari
4.7
4.7

Hello, With a solid background in blockchain and backend development, I'm the perfect fit for your academic research project. I've successfully delivered numerous cutting-edge solutions that focus on pushing the boundaries of security, interoperability, and performance. For this decentralized authentication prototype, I propose leveraging my mastery of Node.js and Python to develop a robust and efficient system that aligns with GDPR and HIPAA principles. My approach to architecture is built around scalability without compromising performance, which aligns with your need for an architecture diagram. I'll ensure that the integration between the blockchain-based authentication and Microsoft SQL Server is seamless yet traceable, meeting your unique requirements. To further meet your needs, I’ll provide you not just with the full source code and functional smart contract but also with clear documentation weekly updates, to ensure our thoughts are aligned. Let's team up and build an innovative academic prototype that showcases the potential of decentralized authentication effectively! Best Wishes.
$200 USD dalam 3 hari
4.9
4.9

Hello, I am an experienced developer with expertise in blockchain, smart contracts, and backend integration, and I can build a decentralized authentication prototype integrated with Microsoft SQL Server for your academic research project. I understand this is a prototype, not a full hospital system, and I will focus on demonstrating secure and traceable authentication while keeping medical records safely in SQL Server. My approach: Implement blockchain-based authentication using a smart contract on Ethereum or a suitable test network. Store authentication hashes or validation logs on-chain, while all medical records remain in SQL Server. Provide a backend in Node.js or Python that validates blockchain authentication before granting access. Deliver full architecture documentation, installation guide, source code, and technical explanation for academic presentation. Include basic performance observation of authentication response times and ensure conceptual alignment with GDPR and HIPAA principles. I can deliver this within 3–6 weeks, with clean, well-documented code and a clear explanation of the authentication flow and integration strategy.
$250 USD dalam 7 hari
4.6
4.6

Hello, Hope everything is going well! I am a Node.js Backend Developer focused on building secure, scalable, and high-performance server-side applications. I design clean APIs that connect your mobile or web app efficiently. What I Can Build for You 1. Fully customized REST APIs 2. Authentication systems (JWT, OAuth) 3. Backend for mobile & web applications 4. Real-time chats, tracking & notifications 5. Admin panel backend with full CRUD 6. Payment gateway integration 7. MongoDB / MySQL database design Why Work With Me? 1. Clean, secure & modular code 2. Strong backend architecture knowledge 3. End-to-end backend + deployment support 4. Excellent speed & performance optimization 5. Fast communication & timely updates Let’s Discuss Share your project details — I’ll give you: 1. Best API structure 2. Timeline 3. Pricing Excited to build a powerful backend for you!
$100 USD dalam 7 hari
4.3
4.3

Hi, there. I am interested your project. Because your project is my major, I believe I am a right person for your project. I can design and implement a blockchain-based decentralized authentication prototype integrated with Microsoft SQL Server, including smart contracts, authentication hash validation, and SQL Server database schema. I will provide full source code, architecture diagrams, installation guide, and technical documentation so you can present the system academically. I hope to hear from you. Thank you.
$140 USD dalam 7 hari
3.5
3.5

Affordable, Early Delivery. ★★★★★★★★★★★★★★I hold a Masters degree which gives me the requisite background to handle writing from various subjects. I am a highly committed person towards my work. You can rely on QualityXenter for quality and consistency in writing. We never violate copyright rules. I have vast amount of experience in this industry since I am working from 2015 as a professional writer. I provide many modifications till to get your satisfactions. I have access to enough journals to use in your research project. I always produce quality work at VERY LOW RATES so, don't worry if you have a low budget for your work, I will be very happy to make a new client like you. I am producing quality work for my clients including ARTICLE WRITING, REPORT WRITING, ESSAY WRITING, RESEARCH PAPERS, BUSINESS PLAN, TECHNICAL WRITING, MATLAB, THESIS, ACCOUNTING & FINANCE work ETC. Go through my profile link https://www.freelancer.com/u/qualityxenter
$30 USD dalam 1 hari
3.1
3.1

Hi — I can develop your academic prototype for decentralized blockchain-based authentication integrated with Microsoft SQL Server, exactly within the research scope (not a full hospital system). Proposed Architecture Ethereum testnet / local Ganache blockchain Smart contract handles identity registration + authentication hash validation Backend service (Node.js preferred) manages login flow and contract calls Medical records remain fully off-chain in SQL Server Blockchain stores only authentication proofs/logs for integrity and traceability Core Features Delivered User registration (doctor/patient roles) Smart-contract based authentication validation SQL Server medical record storage with access gated by blockchain check Authentication event logging for auditability Basic performance observations (auth response time benchmarks) Conceptual GDPR/HIPAA alignment: no PHI stored on-chain, encrypted transport Deliverables Full source code (backend + contract) Functional smart contract deployment scripts SQL Server schema + sample dataset Architecture diagram + flow explanation Installation & academic-ready documentation I have experience building blockchain authentication and enterprise database integrations and can ensure you fully understand the system for your academic presentation. Best regards, Amaan Khan L. (CUBEMOONS PVT.)
$200 USD dalam 7 hari
3.0
3.0

Hello! I am a US-based full stack developer with about 10 years of experience in designing and building robust software solutions. I carefully read your project description about developing a Blockchain-Based Decentralized Authentication Prototype and I am excited about the potential it holds. With my extensive experience in backend and data engineering, as well as AI and automation, I can deliver a solution that’s not only technically sound but also practical and aligned with your goals. I’ve worked on various projects, including building a SaaS platform for document management, an e-commerce system for a niche market, and an AI-driven internal tool for workflow automation. Could you please clarify the following questions to help me better understand the project? 1. What specific features or functionalities are you looking to implement in this authentication prototype? 2. Do you have a preferred blockchain technology or platform in mind for this project? I look forward to the opportunity to collaborate and create a solution that meets your needs. Let’s chat soon! -James Zappi
$200 USD dalam 5 hari
3.2
3.2

As a seasoned engineer with a broad skill set, I am confident I can meet and exceed your expectations for this project. My rich background in developing both software and hardware solutions positions me perfectly to tackle this academic challenge with blockchain technology. In terms of authentication design, I've developed and integrated high-performance systems across multiple domains - from edge AI devices and smart sensors to industrial automation systems. This gives me the expert understanding required to architect and implement a decentralized authentication mechanism that fits seamlessly into your existing Microsoft SQL Server infrastructure. Overall, choosing me entails engaging an adept problem-solver who doesn't just understand individual components like low-level programming or circuit designs, but someone who sees them as interconnected entities essential for a well-rounded solution. I look forward to lending my expertise to building this prototype proficiently delivering au courant system security functionalities while respecting various data protection principles ensuring your ultimate requirements are met..
$140 USD dalam 7 hari
3.1
3.1

Enhance security, integrity, and confidentiality with a blockchain-based decentralized authentication prototype seamlessly integrated with SQL Server. With 5 years of experience, I have successfully executed similar projects offsite. Your project aligns with my expertise in developing scalable and user-friendly solutions. I will prioritize quality, performance, and GDPR/HIPAA compliance, ensuring a reliable and maintainable system. Let's discuss your technical architecture needs and timeline for a successful project completion. Free advice: prioritize documentation for transparency. Chirag Pipal Regards
$200 USD dalam 7 hari
2.8
2.8

Hello, I understand you need a rigorously scoped, academic prototype for a blockchain-based decentralized authentication system that integrates with Microsoft SQL Server. I will design a clean architecture that demonstrates secure, tamper-evident authentication without storing sensitive medical data on-chain, aligning with GDPR/HIPAA concepts while keeping performance artifacts suitable for academic presentation. With deep experience in blockchain-enabled authentication and backend integration, I will deliver a functional Ethereum-compatible smart contract, a Node.js (or Python) backend, and a SQL Server schema that supports registration, hash-based authentication, and event logging. The prototype will provide: (1) user registration for doctors/patients, (2) blockchain-validated authentication prior to SQL access, (3) on-chain hashes for verification, and (4) an architecture diagram and thorough documentation that explains flow, security considerations, and interoperability. Execution plan includes: concise smart contract development, secure backend integration with SQL Server, formal logging for traceability, and clear, shareable docs for your academic presentation. I will also deliver installation steps and a performance snapshot capturing authentication latency. Best regards,
$50 USD dalam 1 hari
2.5
2.5

Hello, I'm a Node.js and Python developer with over 10 years of experience in creating robust systems. We'll discuss the details in a chat. I understand you need a decentralized authentication prototype based on blockchain, integrated with SQL Server. This academic project is an exciting challenge. Option A: I can create a prototype that uses Ethereum for decentralized authentication. It will incorporate smart contracts to enhance security, while SQL Server handles medical records. This method ensures data integrity without overcrowding the blockchain. Option B: Alternatively, I could leverage a simpler blockchain solution with Node.js for API management, allowing smoother SQL Server integration. This option could speed up development while fulfilling educational requirements. My plan includes writing clear technical documentation, providing full source code, and ensuring compliance with GDPR and HIPAA principles. I aim to deliver within 5 weeks to meet your timeline. Best, Yurii.
$155 USD dalam 1 hari
2.5
2.5

Hi there, I’m an experienced developer with expertise in blockchain, smart contracts, and backend integration with Microsoft SQL Server. I can design and implement your academic prototype of a decentralized authentication system while ensuring security, integrity, and traceability without storing sensitive medical data on-chain. For this project, I will: Develop user registration and authentication using a smart contract on a test blockchain network (Ethereum or similar). Store authentication hashes on the blockchain and medical records securely in SQL Server. Validate blockchain-based authentication before granting SQL Server access. Provide full source code, smart contract, SQL Server schema, architecture diagram, installation guide, and technical documentation. Ensure conceptual alignment with GDPR and HIPAA principles and log all authentication events for traceability. I will deliver a fully documented prototype within 3–6 weeks, with clear explanations of architecture and authentication flows for your academic presentation. My prior experience includes blockchain-based authentication systems and secure backend integrations. Please let me know if you’d like me to provide a proposed technical architecture diagram and estimated timeline upfront. I’m confident I can deliver a high-quality, fully functional prototype that meets your research requirements. Best regards,
$100 USD dalam 7 hari
2.5
2.5

Hello, thanks for posting this project. I am confident I can deliver a robust academic prototype for decentralized authentication, combining blockchain (Ethereum smart contracts) with secure SQL Server integration. My approach involves developing a modular backend (preferably with Node.js for easier smart contract and database integration), leveraging a test blockchain for authentication logic while maintaining all sensitive medical records within SQL Server. I will provide comprehensive documentation, clear architecture diagrams, and a transparent, step-by-step technical explanation suitable for academic presentation. My experience includes architecting and deploying smart contracts, integrating blockchain solutions with traditional databases, and ensuring compliance with privacy and data integrity standards. I am well-versed in backend API design, SQL Server schema development, and I will prioritize performance and conceptual GDPR/HIPAA alignment throughout the prototype. To tailor the architecture and project milestones to your needs, could you clarify if you have a preferred blockchain testnet (e.g., Goerli, Sepolia) or if you would like a recommendation? Looking forward to your feedback.
$140 USD dalam 1 hari
2.4
2.4

Hi there, I have a professional experience in Node.js, Backend Development, Ethereum and can deliver a clean, reliable solution for your project. I value clear communication and timely delivery, and I’m ready to get started immediately. Let’s connect and discuss your goals. Best regards, Dorian
$140 USD dalam 1 hari
2.5
2.5

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