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leojay-net/README.md

🚀 Portfolio Projects by LeoJay

GitHub followers Profile Views Blockchain AI

👋 About Me

Welcome to my GitHub portfolio! I'm a passionate blockchain developer and AI enthusiast with a focus on creating decentralized solutions and leveraging artificial intelligence to solve real-world problems. My work spans across DeFi protocols, smart contracts, AI applications, and more. Feel free to explore my repositories and reach out for collaboration opportunities!

🔗 GitHub Profile:

Visit my GitHub Profile


📚 Featured Projects

8_Puzzle

8_Puzzle

An advanced AI-based puzzle solver implementing the classic 8-puzzle problem using search algorithms and heuristics. The solution demonstrates pathfinding optimization techniques and state-space exploration strategies.

PythonAI • Algorithms • Pathfinding
Airdrop System

Airdrop System With Merkle Trees

A sophisticated smart contract system for distributing ERC-20 tokens securely and efficiently using cryptographic Merkle Trees. This implementation reduces gas costs significantly while ensuring verifiable token distribution to eligible wallet addresses.

TypeScriptEthereum • Merkle Trees • Gas Optimization
AskDoc

AskDoc

A comprehensive medical documentation platform designed to streamline patient information management, diagnosis tracking, and medical record keeping. Features include secure data storage, intuitive user interface, and AI-assisted diagnostic suggestions.

JavaScriptHealthcare • UI/UX • Data Management

💻 Blockchain Development Expertise

🏗️ Decentralized Applications

🔐 Decentralized Escrow Agreement System

Escrow

A groundbreaking escrow system that leverages blockchain technology to create trustless agreements between parties. The implementation utilizes ERC20 tokens for payments and NFTs to represent agreement terms, providing a completely decentralized alternative to traditional escrow services with automated execution and dispute resolution mechanisms.

Technologies: Solidity • Ethereum • Smart Contracts • NFTs

View Project →

🛡️ DeFi Insurance Provider Protocol

An innovative decentralized insurance protocol designed to protect crypto wallets and DeFi positions against hacks, exploits, and market failures. The system features risk assessment algorithms, customizable coverage options, and a decentralized claims processing mechanism, all governed by a DAO structure for community oversight.

Technologies: Solidity • DeFi • Risk Analysis • DAO Governance

View Project →

🎟️ Event Management OnChain

A fully on-chain event ticketing platform where tickets are represented as NFTs with built-in anti-scalping measures. The system includes features for event creation, tiered ticketing, secondary market controls, and attendance verification, providing both event creators and attendees with a transparent and secure platform for managing event participation.

Technologies: Solidity • NFTs • Event Management • Secondary Markets

View Project →

🏢 DApp: Organization and Token Management System

DApp

A comprehensive decentralized application for creating and managing organizational structures on the blockchain. Features include stakeholder management, token distribution, voting mechanisms, and treasury management, all designed to facilitate transparent and efficient organizational governance for DAOs, companies, and communities.

Technologies: JavaScript • Ethereum • React • Web3

View Project →

📊 Smart Contracts & Tokens

💎 ERC20FromScratch

ERC20

A detailed implementation of an ERC20 token built from the ground up, showcasing the intricacies of token contract development. The project includes advanced features such as token vesting, governance functionality, and anti-whale mechanisms, all developed and tested using the Hardhat development environment for maximum security and reliability.

Technologies: Solidity • Hardhat • Testing • Tokenomics

View Project →

🌊 Candence_Struct

Cadence Struct

An exploration of advanced data structures within the Cadence programming language on the Flow blockchain. This project demonstrates how to create and manipulate complex data structures for blockchain applications, focusing on performance optimization and memory efficiency while maintaining the security guarantees required for decentralized applications.

Technologies: Cadence • Flow Blockchain • Data Structures

View Project →

💰 Decentralized Finance

📈 Challenge-4: DEX

A robust decentralized exchange implementation allowing for seamless trading between ERC-20 tokens and ETH. The platform features an automated market maker (AMM) model, liquidity pools with incentive mechanisms, and price oracle integration. The UI provides real-time price charts, trading history, and portfolio management tools for an enhanced trading experience.

Technologies: TypeScript • AMM • Liquidity Pools • Trading

View Project →

🔒 Challenge-1: Decentralized Staking

A sophisticated staking application where users can lock their Ether in smart contracts to earn rewards. The system implements variable reward rates based on staking duration and amount, automated compounding options, and emergency withdrawal mechanisms with customizable penalty structures to balance flexibility and security.

Technologies: TypeScript • Staking • Yield Generation • Smart Contracts

View Project →

🎲 Challenge-3: Dice Game OnChain

Dice Game

An entertaining on-chain gambling game where players can bet and roll dice with transparent, verifiable outcomes. The implementation focuses on provable fairness using verifiable random functions (VRFs), anti-cheating measures, and responsible gambling features including self-imposed limits and cool-down periods to encourage healthy gaming habits.

Technologies: TypeScript • Chainlink VRF • Gaming • Randomness

View Project →

🛠️ Development Tools

⚒️ Challenge-0: Scaffold-ETH 2

Scaffold-ETH

A comprehensive toolkit for rapidly developing and deploying decentralized applications on Ethereum. This framework integrates contract development, testing, deployment, and frontend integration in a seamless workflow. The toolkit includes pre-built components, contract templates, and automated testing frameworks to accelerate the development process while maintaining best practices for security and efficiency.

Technologies: TypeScript • React • Hardhat • Ethereum

View Project →

📱 Core-Dapp

Core-Dapp

A lightweight yet powerful boilerplate for building modern decentralized applications using React and Vite. The template offers optimized performance through efficient bundling, hot module replacement for rapid development, and seamless integration with popular Web3 libraries. It includes authentication modules, transaction handling utilities, and responsive UI components designed specifically for blockchain applications.

Technologies: JavaScript • React • Vite • Web3

View Project →

🤖 AI & Software Projects

🧠 Artificial Intelligence

🏆 AI_Hackathon

A collaborative project developed during an AI-focused hackathon, leveraging machine learning algorithms to address real-world challenges. The solution implements natural language processing techniques, predictive modeling, and data visualization to create an innovative application with practical applications in a specific domain area currently under development.

Technologies: Python • Machine Learning • NLP • Collaborative Development

View Project →

🛡️ Cyberbully Detection

An advanced machine learning system designed to identify and flag instances of cyberbullying across various digital platforms. The implementation uses sophisticated NLP techniques, sentiment analysis, and contextual understanding to detect subtle forms of harassment and bullying language, helping create safer online environments, especially for vulnerable users like children and teenagers.

Technologies: Machine Learning • Text Classification • Online Safety

View Project →

📊 Software Applications

🛒 ChatShop

A revolutionary e-commerce platform combining conversational AI with cryptocurrency payments to create a unique shopping experience. Users can interact with an AI shopping assistant that helps them find products, compare options, and complete purchases using various cryptocurrencies. The platform includes wallet integration, price conversion, and a reputation system for buyers and sellers.

Technologies: Python • E-Commerce • Conversational AI • Crypto Payments

View Project →

🧰 Cimplify

A comprehensive tool designed to analyze, simplify, and optimize code and data structures across multiple programming languages. The application identifies complexity issues, suggests refactoring opportunities, and provides automated optimization of computationally intensive operations, helping developers maintain clean, efficient, and maintainable codebases.

Technologies: JavaScript • Code Analysis • Optimization • Developer Tools

View Project →

📋 Attendance

A sophisticated attendance tracking system with multiple authentication methods including facial recognition, QR codes, and RFID. The application includes features for managing events, courses, or workplace attendance with analytics dashboards, automated reporting, and integration capabilities with calendar systems and HR platforms for comprehensive attendance management.

Technologies: Attendance Tracking • Authentication • Data Analysis

View Project →

📊 Skills & Technologies

┌─────────────────────────────────────────────────────────────────┐
│                                                                 │
│                      TECHNICAL EXPERTISE                        │
│                                                                 │
├─────────────────────┬───────────────────┬─────────────────────┤
│  Blockchain         │  Languages         │  Frameworks/Tools   │
├─────────────────────┼───────────────────┼─────────────────────┤
│  ✓ Solidity         │  ✓ JavaScript      │  ✓ React            │
│  ✓ Ethereum         │  ✓ TypeScript      │  ✓ Hardhat          │
│  ✓ Flow             │  ✓ Python          │  ✓ Truffle          │
│  ✓ Cadence          │  ✓ Solidity        │  ✓ Web3.js          │
│  ✓ Smart Contracts  │  ✓ Cadence         │  ✓ Ethers.js        │
│  ✓ DeFi Protocols   │  ✓ HTML/CSS        │  ✓ TensorFlow       │
│  ✓ NFTs             │                    │  ✓ PyTorch          │
├─────────────────────┴───────────────────┴─────────────────────┤
│                                                                 │
│                       SPECIALIZATIONS                           │
│                                                                 │
├─────────────────────────────────────────────────────────────────┤
│  ✓ DeFi (Decentralized Finance)                                │
│  ✓ Smart Contract Security                                     │
│  ✓ Tokenomics                                                  │
│  ✓ Machine Learning & AI                                       │
│  ✓ Decentralized Applications (DApps)                          │
│  ✓ Full-Stack Web Development                                  │
└─────────────────────────────────────────────────────────────────┘

🌐 Portfolio Highlights

19+
Projects
5+
Blockchain Platforms
4+
Programming Languages
Multiple
AI Applications

🤝 Let's Connect

I'm always excited to collaborate on innovative projects, discuss blockchain development, or explore new technologies. Don't hesitate to reach out through any of the channels below!


Thanks for exploring my portfolio! Looking forward to building the decentralized future together.

Pinned Loading

  1. ContractMindBackend ContractMindBackend Public

    Python

  2. ContractMindFrontend ContractMindFrontend Public

    TypeScript

  3. ContractMindInfra ContractMindInfra Public

    Solidity

  4. FM-Rust-Cloud FM-Rust-Cloud Public

    Rust

  5. starknet_token_factory starknet_token_factory Public

    TypeScript

  6. Walk-Scape Walk-Scape Public

    Solidity