Web3 Projects Portfolio

A comprehensive collection of production-ready Web3 and blockchain projects spanning multiple ecosystems including Solana, Ethereum/EVM, Sui, Aptos, and Kadena.

Overview

Metric	Value
Total Projects	13
Blockchains	5 (Solana, EVM, Sui, Aptos, Kadena)
Languages	Solidity, Rust, Move, PACT, TypeScript
Categories	DeFi, Bridges, Security Tools, Trading Bots

Projects

DeFi Protocols

Project	Description	Tech Stack
defi-lending-protocol	Full lending protocol with supply/borrow/liquidate, jump rate interest model. Deployed on Sepolia.	Solidity, Foundry
pump-fun-clone	Solana token launchpad with bonding curve AMM, real-time trading, and Raydium graduation	Rust/Anchor, Next.js, MongoDB
sui-smart-contract-projects	DeFi suite on Sui: Lending Protocol, AMM DEX, Token Vault. 27/27 tests passing.	Move, Sui SDK

Cross-Chain & Bridges

Project	Description	Tech Stack
cross-chain-token-bridge	ERC20 bridge with lock/mint mechanism, multi-sig validation, replay protection	Solidity, Hardhat
bridge-relayer-oracle	Oracle system with merkle proof verification, validator registry, Node.js relayer	Solidity, Node.js
0x-settler	0x Protocol settlement contracts using Permit2 for gasless swaps	Solidity, Foundry

Security & Analysis Tools

Project	Description	Tech Stack
solana-smart-contract-auditor	Automated security auditor with bytecode analysis, 10+ vulnerability patterns	TypeScript, Solana
solana-scam-detection-agent	Real-time monitoring for scam tokens, honeypots, rug pulls with ML classification	TypeScript, SQLite
solana-token-risk-analyzer	Risk scoring API analyzing holder concentration, liquidity, deployer history	TypeScript, REST API

Trading & Automation

Project	Description	Tech Stack
Uniswap_sniper_bot	Multi-agent sniper bot for Uniswap V3/V4 on Base with mempool monitoring	TypeScript, ethers.js
chainlink-community-tools	CCIP Fee Estimator, Price Feed Monitor, VRF Manager, Automation Health Checker	TypeScript, Chainlink

Multi-Chain Smart Contracts

Project	Description	Tech Stack
aptos-move-the-future-hackathon-2025	Hackathon projects: Carbon Credit RWA, AI Data Marketplace, Move Security Analyzer	Move, Aptos SDK
kadena-pact-token	Fungible token with minting, burning, transfers, guard rotation	PACT

Architecture Highlights

DeFi Lending Protocol

┌─────────────────────────────────────────────────────────┐
│                     LendingPool                          │
│  ┌─────────┐  ┌─────────┐  ┌─────────┐  ┌───────────┐  │
│  │ Supply  │  │ Borrow  │  │  Repay  │  │ Liquidate │  │
│  └────┬────┘  └────┬────┘  └────┬────┘  └─────┬─────┘  │
│       └────────────┴───────────┴──────────────┘        │
│                         │                               │
│            ┌────────────┼────────────┐                 │
│            ▼            ▼            ▼                 │
│   ┌─────────────┐ ┌───────────┐ ┌─────────────┐       │
│   │ Interest    │ │   Price   │ │   Collateral │       │
│   │ Rate Model  │ │   Oracle  │ │    Manager   │       │
│   └─────────────┘ └───────────┘ └─────────────┘       │
└─────────────────────────────────────────────────────────┘

Cross-Chain Bridge

Source Chain                    Destination Chain
┌──────────────┐               ┌──────────────────┐
│ Lock Tokens  │ ──Events───▶  │ Mint Wrapped     │
│              │               │                  │
│ Unlock       │ ◀──Events──   │ Burn Wrapped     │
└──────────────┘               └──────────────────┘
       │                              │
       ▼                              ▼
  Multi-Sig              Validator Consensus
  Validation               & Merkle Proofs

Uniswap Sniper Bot

┌─────────────────────────────────────────────────────────┐
│                  Coordinator Agent                       │
└────────────────────────┬────────────────────────────────┘
                         │
    ┌────────────────────┼────────────────────┐
    ▼                    ▼                    ▼
┌─────────┐        ┌──────────┐        ┌─────────┐
│ Mempool │        │   Pool   │        │ Safety  │
│  Agent  │        │ Detector │        │  Agent  │
└────┬────┘        └────┬─────┘        └────┬────┘
     └──────────────────┼───────────────────┘
                        ▼
                 ┌────────────┐
                 │   Sniper   │
                 │   Agent    │
                 └────────────┘

Deployments

Ethereum (Sepolia Testnet)

Contract	Address
LendingPool	`0x211e6A6d182dE6Bcc3C49b876Cb159E235017f80`
InterestRateModel	`0xb1193931CD5B5a0c946FF4b18596613be8adaEeE`
PriceOracle	`0x6d3f27e9fDd5e573249B8aa681fCb77Fc7441261`

0x Settler Registry

Chain	Deployer Registry
All Chains	`0x00000000000004533Fe15556B1E086BB1A72cEae`

Security Features

All projects implement industry-standard security practices:

ReentrancyGuard - Protection against reentrancy attacks
Access Control - Role-based permissions (RBAC)
Pausable - Emergency circuit breakers
Input Validation - Comprehensive parameter checks
Nonce Tracking - Replay attack prevention
Multi-Sig - Multi-signature validation for critical operations
Slashing - Economic penalties for malicious actors

Vulnerability Detection

The Solana Smart Contract Auditor detects:

Vulnerability	Severity	Category
Missing Signer Verification	CRITICAL	Access Control
Missing Owner Verification	CRITICAL	Access Control
Arbitrary CPI	CRITICAL	External Calls
Integer Overflow	HIGH	Arithmetic
Unsafe PDA Derivation	HIGH	PDA Validation
Duplicate Mutable Accounts	HIGH	Account Validation
Uninitialized Account Access	HIGH	Initialization
Upgrade Authority Not Revoked	HIGH	Configuration

Tech Stack

Languages

Solidity - Ethereum/EVM smart contracts
Rust - Solana programs (Anchor framework)
Move - Sui & Aptos contracts
PACT - Kadena smart contracts
TypeScript - Backend services, bots, APIs

Frameworks & Tools

Foundry - Solidity development & testing
Hardhat - Ethereum development environment
Anchor - Solana program framework
Next.js - Frontend applications
Express.js - REST APIs

Infrastructure

Chainlink - Oracles, CCIP, VRF, Automation
MongoDB - Database for off-chain data
SQLite - Lightweight local storage
WebSocket - Real-time data streams

Quick Start

# Clone the repository
git clone https://github.com/pranay123-stack/web3-projects.git
cd web3-projects

# Navigate to any project
cd defi-lending-protocol

# Install dependencies (varies by project)
npm install   # For TypeScript projects
forge install # For Foundry projects

# Run tests
npm test      # TypeScript
forge test    # Solidity
sui move test # Sui Move

Project Structure

web3-projects/
├── 0x-settler/                      # 0x Protocol settlement contracts
├── aptos-move-the-future-hackathon-2025/
│   ├── project1-carbon-credit-marketplace/
│   ├── project2-ai-data-marketplace/
│   └── project3-move-security-analyzer/
├── bridge-relayer-oracle/           # Cross-chain oracle & relayer
├── chainlink-community-tools/       # Chainlink developer toolkit
├── cross-chain-token-bridge/        # ERC20 lock/mint bridge
├── defi-lending-protocol/           # Lending protocol (Sepolia)
├── kadena-pact-token/               # Kadena fungible token
├── pump-fun-clone/                  # Solana token launchpad
├── solana-scam-detection-agent/     # ML-powered scam detector
├── solana-smart-contract-auditor/   # Security audit tool
├── solana-token-risk-analyzer/      # Token risk scoring API
├── sui-smart-contract-projects/     # Sui DeFi contracts
└── Uniswap_sniper_bot/              # Uniswap V3/V4 sniper

Web3 Revenue Models

Category	Project Type	Revenue Source	Typical Range
DeFi - Lending	Aave, Compound clones	Interest spread, liquidation fees	0.1-1% spread
DeFi - DEX/AMM	Uniswap, Raydium clones	Swap fees	0.1-0.3% per swap
DeFi - Aggregators	0x, 1inch clones	Positive slippage, referral fees	0.1-0.5%
Bridges	Cross-chain bridges	Bridge fees	0.1-0.5% per transfer
MEV/Trading Bots	Sniper, arbitrage bots	Trading profits	Variable
Token Launchpads	pump.fun clones	Launch fees, trading fees	1-2% per trade
NFT Marketplaces	OpenSea clones	Marketplace fees	2-5% per sale
Gaming Guilds	YGG clones	Profit share from scholars	20-40% of earnings
P2E Games	Axie clones	NFT sales, marketplace fees	Variable
Move-to-Earn	StepN clones	NFT sales, premium features	$50-500 per NFT
Casino/Gambling	Rollbit clones	House edge	1-5% edge
Prediction Markets	Polymarket clones	Trading fees, resolution fees	1-2%
Security Tools	Auditors, analyzers	SaaS subscription, per-audit fees	$500-50K per audit
Oracles	Chainlink tools	Data feed subscriptions	Usage-based
Infrastructure	SDKs, APIs	SaaS fees, usage fees	$99-999/month

License

Each project may have its own license. See individual project directories for details.

Contact

Pranay - Web3 Smart Contract Engineer

Building the decentralized future, one smart contract at a time.

Name		Name	Last commit message	Last commit date
0x-settler		0x-settler
AI x Web3		AI x Web3
Bridges & Interop		Bridges & Interop
DAO Tools web3		DAO Tools web3
DeFi Protocols		DeFi Protocols
Ecommerce web3		Ecommerce web3
Gamefi web3		Gamefi web3
Infrastructure web3		Infrastructure web3
Memecoin web3		Memecoin web3
NFT web3		NFT web3
Oracles web3		Oracles web3
Payments web3		Payments web3
Prediction Market web3		Prediction Market web3
Real Estate web3		Real Estate web3
SocialFi web3		SocialFi web3
Stablecoins		Stablecoins
Uniswap_sniper_bot		Uniswap_sniper_bot
Wallets web3		Wallets web3
Web3 Hackathons		Web3 Hackathons
Web3 Project Audits		Web3 Project Audits
Web3 Trading Bots		Web3 Trading Bots
aptos-move-the-future-hackathon-2025		aptos-move-the-future-hackathon-2025
bridge-relayer-oracle		bridge-relayer-oracle
chainlink-community-tools		chainlink-community-tools
cross-chain-token-bridge		cross-chain-token-bridge
defi-lending-protocol		defi-lending-protocol
kadena-pact-token		kadena-pact-token
solana-scam-detection-agent		solana-scam-detection-agent
solana-smart-contract-auditor		solana-smart-contract-auditor
solana-token-risk-analyzer		solana-token-risk-analyzer
sui-smart-contract-projects		sui-smart-contract-projects
web3_startup_company_projects/cypher		web3_startup_company_projects/cypher
README.md		README.md

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Web3 Projects Portfolio

Overview

Projects

DeFi Protocols

Cross-Chain & Bridges

Security & Analysis Tools

Trading & Automation

Multi-Chain Smart Contracts

Architecture Highlights

DeFi Lending Protocol

Cross-Chain Bridge

Uniswap Sniper Bot

Deployments

Ethereum (Sepolia Testnet)

0x Settler Registry

Security Features

Vulnerability Detection

Tech Stack

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Infrastructure

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Project Structure

Web3 Revenue Models

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Web3 Projects Portfolio

Overview

Projects

DeFi Protocols

Cross-Chain & Bridges

Security & Analysis Tools

Trading & Automation

Multi-Chain Smart Contracts

Architecture Highlights

DeFi Lending Protocol

Cross-Chain Bridge

Uniswap Sniper Bot

Deployments

Ethereum (Sepolia Testnet)

0x Settler Registry

Security Features

Vulnerability Detection

Tech Stack

Languages

Frameworks & Tools

Infrastructure

Quick Start

Project Structure

Web3 Revenue Models

License

Contact

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