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Apenko/README.md

Ezenwanne Ikechukwu Solomon β€” Apenko

Smart Contract Developer Β· Solidity Β· Foundry Β· DeFi
Building on Ethereum Β· Based in Nigeria

"Consistency over speed β€” one deployment at a time."


About

I'm a Web3 developer focused on writing secure, well-tested smart contracts. I work primarily with Solidity and Foundry, and I'm currently advancing through Cyfrin Updraft by @PatrickAlphaC β€” working through DeFi, Cross-Chain tokens, Upgradeable Contracts, Account Abstraction, and Security.

My goal is to become a professional smart contract developer who ships code that's not just functional, but auditable and production-ready.


Tech Stack

Core: Solidity Β· Foundry Β· Ethereum Β· EVM
Tools: Chainlink VRF Β· Chainlink Price Feeds Β· Remix Β· Ethers.js
Testing: Unit Tests Β· Integration Tests Β· Fuzz Tests
Networks: Ethereum Mainnet Β· Sepolia Testnet
Other: Git Β· GitHub Β· JavaScript (basic) Β· Python (beginner)


Featured Projects

A decentralized, overcollateralized stablecoin system where 1 DSC = $1 USD. Backed by WETH and WBTC with real-time Chainlink price feeds. Features health factor calculations, a liquidation mechanism with 10% bonus, oracle staleness protection, and a full test suite including fuzz tests and invariant testing.
Solidity Foundry DeFi Chainlink Price Feeds Fuzz Testing OpenZeppelin


A fully deployed ERC-20 token built with Solidity and Foundry. Includes deployment scripts, transfer logic, and a complete test suite.
Solidity Foundry ERC-20


An NFT project where all metadata and artwork is stored entirely on-chain using Base64 encoding and SVG generation β€” no IPFS dependency. Includes ERC-721 implementation, dynamic tokenURI, and Foundry tests.
Solidity Foundry ERC-721 Base64 On-chain SVG


A provably fair, automated lottery powered by Chainlink VRF for verifiable randomness and Chainlink Automation for trustless draws. Built and tested with Foundry.
Solidity Foundry Chainlink VRF Chainlink Automation


A decentralized crowdfunding contract with USD price feed integration via Chainlink. Full Foundry test suite including mock price feeds.
Solidity Foundry Chainlink Price Feeds


A minimal frontend interface for interacting with the FundMe smart contract directly from the browser.
HTML JavaScript Ethers.js


Learning Progress

Module Status
Blockchain Basics βœ… Complete
Solidity 101 βœ… Complete
Foundry Fundamentals βœ… Complete
Advanced Foundry β€” ERC-20 βœ… Complete
Advanced Foundry β€” NFT Collection βœ… Complete
Advanced Foundry β€” DeFi / Stablecoin βœ… Complete
Advanced Foundry β€” Cross Chain Rebase Token πŸ”„ In progress
Advanced Foundry β€” Upgradeable Contracts ⏳ Upcoming
Advanced Foundry β€” Account Abstraction ⏳ Upcoming
Advanced Foundry β€” Security ⏳ Upcoming

Connect

LinkedIn Β· Twitter / X Β· GitHub Β· ezenwanneikechukwu2@gmail.com

Your support keeps me motivated to keep building and sharing my Web3 journey πŸ’ͺ

Pinned Loading

  1. foundry-DeFi-StableCoin foundry-DeFi-StableCoin Public

    Solidity

  2. my-foundry-NFT my-foundry-NFT Public

    Solidity

  3. foundry-smart-contract-lottery foundry-smart-contract-lottery Public

    A decentralized smart contract lottery built with Foundry and Chainlink VRF v2.5

    Solidity

  4. my-ERC20-token my-ERC20-token Public

    Solidity

  5. foundry-fund-me-contract foundry-fund-me-contract Public

    Solidity