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Mantle-Shield-Credit-Score

Mantle Shield is a groundbreaking DeFi protocol that brings traditional credit scoring to blockchain while preserving user privacy through Zero-Knowledge proofs.

Videos

Tech Stack

Next
Solidity
Web3

Description

Mantle Shield Credit

🎯 Project Overview

Mantle Shield Credit is a revolutionary DeFi protocol that bridges traditional finance and blockchain by introducing privacy-preserving credit scoring to enable under-collateralized lending on Mantle Network. Using Zero-Knowledge proofs, users can prove their creditworthiness without exposing sensitive financial data, unlocking capital efficiency while maintaining privacy.


PPt : https://docs.google.com/presentation/d/1_6l6dRt19hjMnd8wX0Ljc9po0Jcb1Ywo7vOoH81az9I/edit?slide=id.g3ba7246e0f8_0_30#slide=id.g3ba7246e0f8_0_30

📊 Live Deployment

Mantle Sepolia Testnet

Contract

Address

Status

MantleShieldCreditScore

0x18e0AE6237D19f983ad997855E37AEC49B078910

View

MockCollateralToken

0xbF1848D0925cEA403364bB3cb9e9f6d57b7DE4AA

View

MockZKVerifier

0xc7cb361799624118526018783eA549edD6D5A9Db

View

Network Details:

🔴 The Problem

Current DeFi Lending Limitations

  1. Capital Inefficiency: Traditional DeFi protocols require 150-200% over-collateralization

    • Users must lock $1,500 worth of assets to borrow $1,000

    • Massive capital is tied up unproductively

    • Excludes users with good credit but limited collateral

  2. Privacy Concerns: Traditional credit scoring systems expose sensitive data

    • Personal financial information stored on centralized databases

    • Risk of data breaches and identity theft

    • No user control over their own data

  3. Accessibility Gap: No middle ground between:

    • Over-collateralized DeFi (capital inefficient)

    • Traditional credit (privacy invasive, centralized)

  4. Regulatory Challenges:

    • DeFi struggles with compliance requirements

    • Traditional finance lacks blockchain efficiency

    • No framework for privacy-compliant lending

Real-World Impact

  • $50B+ locked as excess collateral in DeFi protocols

  • 70% of potential borrowers excluded due to collateral requirements

  • Millions of users vulnerable to credit data breaches annually


✅ Our Solution

Privacy-First Under-Collateralized Lending

Mantle Shield Credit introduces a three-pillar solution:

1. Zero-Knowledge Credit Scoring

  • Generate credit scores locally on your device

  • Submit only ZK-proofs to the blockchain

  • Financial data never leaves your control

  • Verifiable creditworthiness without exposure

2. Smart Under-Collateralization

  • Borrow with only 50% collateral (vs 150-200% in traditional DeFi)

  • Credit score determines loan eligibility and terms

  • 3x capital efficiency improvement

  • Automatic approval for scores ≥ 580

3. MiCA-Ready Compliance Framework

  • Selective disclosure for regulatory requirements

  • Encrypted KYC with privacy preservation

  • Audit trails without compromising user data

  • Future-proof for European crypto regulations

Key Innovations

🔐 Privacy Layer: ZK-SNARK circuits process financial data locally
Instant Approval: Smart contracts auto-approve qualified borrowers
💰 Capital Efficient: Unlock 2-3x more borrowing power
🛡️ Risk Managed: Collateral ensures loan security
🌐 Decentralized: No central authority controls your data

Key Innovations

🔐 Privacy Layer: ZK-SNARK circuits process financial data locally
Instant Approval: Smart contracts auto-approve qualified borrowers
💰 Capital Efficient: Unlock 2-3x more borrowing power
🛡️ Risk Managed: Collateral ensures loan security
🌐 Decentralized: No central authority controls your data


🏗️ Architecture

System Overview

Technical Stack

Component

Technology

Purpose

Blockchain

Mantle Network (Sepolia)

L2 scaling with low transaction costs

Smart Contracts

Solidity 0.8.19

Secure loan and credit management

Security Libraries

OpenZeppelin

Battle-tested contract security

Privacy Tech

ZK-SNARKs

Zero-knowledge proof generation

Frontend

Next.js 14 + TypeScript

Modern, type-safe web application

Wallet Integration

RainbowKit + Wagmi v2

Multi-wallet support with great UX

Styling

Tailwind CSS

Professional black/blue theme

State Management

React Hooks

Efficient state handling

Smart Contract Testing

Hardhat

Comprehensive testing framework

💡 How Mantle Shield Works

🏆 Competitive Advantages

vs Traditional DeFi (Aave, Compound)

Feature

Mantle Shield

Traditional DeFi

Collateral Required

50%

150-200%

Approval Time

Instant

Instant

Privacy

ZK-Preserved

On-Chain Exposed

Capital Efficiency

High

Low

Regulatory Ready

Yes (MiCA)

Limited

vs Traditional Finance (Banks, Credit Cards)

Feature

Mantle Shield

Traditional Finance

Privacy

ZK-Preserved

Centralized DB

Approval Time

Instant

Days/Weeks

Transparency

Full (Blockchain)

Limited

Accessibility

Global

Geographic Limits

Censorship Resistance

Yes

No

vs Other Crypto Credit Protocols

Feature

Mantle Shield

Competitors

Privacy Tech

ZK-SNARKs

None/Basic

Mantle Native

Yes

Multi-chain

Under-Collateralized

Yes (50%)

Mostly Over

MiCA Ready

Yes

No

Open Source

Yes

Mixed


👥 Team & Vision

Our Mission

"Democratizing credit access while preserving financial privacy through zero-knowledge blockchain technology."

We believe everyone deserves access to capital based on their creditworthiness, not just their current wealth. By combining privacy technology with smart contracts, we're building the future of fair, transparent, and efficient lending.

Core Values

🔐 Privacy First: Your data belongs to you
Efficiency: Maximize capital utilization
🌍 Accessibility: Global, permissionless access
🛡️ Security: Battle-tested, audited code
📊 Transparency: Open-source, verifiable

Fundraising Status

NA
Team Leader
AArpit Singh
Project Link
Sector
InfraOther