APISwap: DeFi Swap & Wrapped Token Project

Built and shipped a DeFi swap project with smart contracts and a web interface, plus a local testing environment for verification.

Project Overview

APISwap is a DeFi swap project delivering token swap functionality and related on-chain components (including wrapped-token work), alongside a web-based user interface.

My Role

  • Software Engineer (APIS / ecosystem project)

Timeline

  • Jan 2022 - Jun 2022

Key Contributions

  • Implemented swap smart contracts and validated behavior in a local test environment
  • Built a web UI for swapping using React + Web3.js
  • Set up and used Truffle/Ganache-based test flows to verify contract behavior
  • Shipped the service and iterated based on usage feedback

Tech Stack

  • Smart contracts: Solidity
  • Testing: Truffle, Ganache
  • Frontend: React, Web3.js

Technologies: Solidity, Truffle, Ganache, React, Web3.js, DeFi

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About Haryun

Blockchain Enthusiast and Software engineer.

Seoul, South Korea https://haryun.io