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AgriChain is a revolutionary blockchain-based agricultural supply chain platform that creates direct connections between farmers and consumers through transparent, secure, and traceable transactions.
• Built with cutting-edge Web3 technologies and React 19, this comprehensive platform eliminates intermediaries in agricultural trade while ensuring complete transparency and security through blockchain technology.
• The platform features advanced IPFS integration for decentralized file storage, multi-network support across Ethereum, Polygon, and Base networks, and sophisticated smart contract-based escrow systems.
• Farmers can register produce with quality certificates, manage inventory, and receive secure payments, while consumers enjoy direct access to fresh produce with complete traceability and quality verification.
• The platform includes real-time order management, delivery tracking, automated refund systems, and comprehensive analytics dashboards.
• With its modern responsive design, advanced blockchain integration, and focus on agricultural sustainability, AgriChain represents the future of agricultural commerce and supply chain management.
The network for creativity
Join 1.25M professional creatives like you
Connect with clients, get discovered, and run your business 100% commission-free
Creatives on Contra have earned over $150M and we are just getting started
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🌐 3D Model Studio: Dynamic Scene Navigation & Real-Time Spatial Pins
Following up on yesterday’s virtual tour module, today I’m showcasing another core pillar of the platform I’ve built: the Interactive 3D Model Studio.
As a freelance Full Stack Developer with over 9 years of professional experience specializing in Three.js, WebGL, and React, I designed this tool to make navigating complex 3D interior architecture simple, snappy, and entirely web-based.
🛠️ What I Built & Handled in this Feature:
3D Database Initialization: Handled the heavy liftoff of initializing the 3D environment loading states smoothly in the UI.
Bi-Directional Sidebar Navigation: Built a reactive side navigation list. When a client clicks on a room listed in the sidebar (e.g., Modern Kitchen), the camera smoothly travels to that point.
Camera Rig Controller: Developed a multi-perspective controller allowing users to orbit freely or swap instantly between structured camera presets (Top View, Left, Right, Front, Back).
Smooth Camera Transitions: Wrote custom transition math using Three.js to ensure the camera glides seamlessly without causing motion sickness.
If you are looking to build interactive spatial tools, high-performing 3D configurators, or customized web editors, let's connect!
💼 Hire Me on Contra
I work closely with startups and established brands to design and develop custom, cutting-edge 3D web products.
💬 Or hit "Message" right here on my Contra profile to discuss your project scope directly!
Good job Pro
Spreadsheets work... until they don't.
For this project, we helped a home care organization replace manual reporting with a centralized BI platform that automatically tracks operational and financial performance across multiple locations.
Real-time dashboards, KPI reporting, role-based access and integrations with WellSky and QuickBooks - all in one place.
Sometimes the biggest productivity boost isn't adding new features. It's making the right data easy to understand. 📊
Home care is a sharp choice because the pain is not the reporting, it is the audit trail when a regulator or family asks what happened and when. Replacing spreadsheets is the easy win, the real value is that every entry is now timestamped and defensible. Did you build in an immutable log, or is it still editable after the fact?
A client wanted one API style for the whole product. I talked them out of it first.
tRPC gives my Next.js frontend end-to-end types, zero schema drift. The moment a partner integrates, REST is all they can use without my SDK. GraphQL fits when one screen pulls from three backends.
Which one wins where, from a live B2B build: https://www.duskolicanin.com/blog/trpc-vs-rest-vs-graphql-b2b-saas-2026
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