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Lendstell

Lendstell is a decentralized lending and borrowing platform built on Stellar.
It enables users to lend digital assets to earn yield and borrow instantly using crypto collateral — powered by stellar soroban contracts, low fees, and transparent smart contracts.


🧠 Inspiration

Access to credit is still slow, costly, and centralized — even within DeFi.
Most platforms struggle with high gas fees and poor scalability.
Lendstell was created to fix that: leveraging StarkNet’s zero-knowledge rollups to build an open, borderless, and efficient DeFi credit system.


⚙️ What It Does

  • Lend: Supply assets to earn interest.
  • Borrow: Use collateral to access instant liquidity.
  • Monitor: View real-time loan health, rates, and positions.
  • Secure: All operations run on verified Stellar smart contracts.

Currently live on Stellar testnet with:

  • 🔹 Fully functional contracts
  • 🔹 Temporary API integration using mock data
  • 🔹 Live frontend deployed on Vercel

🛠 How We Built It

  • Frontend: Next.js + TypeScript + Tailwind CSS + ShadCN UI
  • Backend: NestJS (API + mock data integration)
  • Smart Contracts: stellar soroban testnet
  • Deployment: Frontend hosted on Vercel
  • Version Control: Git + GitHub

🚧 Challenges We Faced

  • Integrating and debugging soroban contracts with evolving Stellar tooling
  • Synchronizing mock API data with frontend state
  • Optimizing UX for non-technical DeFi users
  • Handling testnet latency and transaction verification

🏆 Accomplishments

  • Deployed functional sorobamn smart contracts on Stellar testnet
  • Built a fully responsive, production-grade dashboard
  • Implemented modular architecture ready for mainnet scaling
  • Achieved stable integration between frontend, backend, and blockchain layers

📚 What We Learned

  • How to architect and test smart contracts on soroban
  • Building efficienapplications with Stellar
  • Designing DeFi UX for accessibility and clarity
  • Rapid development using mock APIs during contract testing

#-

🧩 Architecture Overview

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