The latest articles on DEV Community by DHEERAJ KRISHNA T (@dheeraj20064). https://dev.to/dheeraj20064 https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3993557%2F4c86ffaa-2d8f-4976-b79b-9e8100fdc0cf.png https://dev.to/dheeraj20064 en DHEERAJ KRISHNA T Sat, 20 Jun 2026 05:10:34 +0000 https://dev.to/dheeraj20064/defi-staking-dapp-3i8c https://dev.to/dheeraj20064/defi-staking-dapp-3i8c <p>As part of my Web3+AI Internship at <a class="mentioned-user" href="https://dev.to/etherauthority">@etherauthority</a>, I built a full-stack <br> DeFi Staking Platform deployed on SecureChain AI Mainnet (Chain ID: 34).</p> <h2> What I Built </h2> <p>A decentralized staking application where users can:</p> <ul> <li>Connect MetaMask wallet</li> <li>Stake IRT (Intern Reward Token) ERC20 tokens</li> <li>Earn 10% APY rewards automatically via smart contract</li> <li>Claim rewards without unstaking</li> <li>Withdraw staked tokens + rewards anytime</li> </ul> <h2> Tech Stack </h2> <ul> <li>Smart Contracts: Solidity 0.8.0, deployed on <a class="mentioned-user" href="https://dev.to/securechainai">@securechainai</a> Mainnet</li> <li>Frontend: React + Vite + ethers.js v6</li> <li>Wallet: MetaMask</li> <li>Deployment: Vercel</li> </ul> <h2> Live Demo </h2> <p><a href="https://etherauthority-internship-o2tg-2gkhtwz6k-dheeraj20064s-projects.vercel.app" rel="noopener noreferrer">https://etherauthority-internship-o2tg-2gkhtwz6k-dheeraj20064s-projects.vercel.app</a></p> <h2> Smart Contracts </h2> <ul> <li>InternRewardToken (IRT): 0x9f11C08da4030676d9234B49FD9A374af22e7145</li> <li>StakingContract: 0x8c082162B3A6372491Ef417037b763F0D53d5053</li> </ul> <p>Explorer: <a href="https://explorer.securechain.ai" rel="noopener noreferrer">https://explorer.securechain.ai</a></p> <h2> GitHub </h2> <p><a href="https://github.com/dheeraj20064/etherauthority-internship" rel="noopener noreferrer">https://github.com/dheeraj20064/etherauthority-internship</a></p> <h2> Key Learning </h2> <p>Building this taught me how ERC20 token approval flows work, <br> how reward pools must be separated from staked principal in <br> DeFi contracts, and how to connect React frontends to live <br> blockchain contracts using ethers.js.</p> <p>Thank you <a class="mentioned-user" href="https://dev.to/etherauthority">@etherauthority</a> and <a class="mentioned-user" href="https://dev.to/securechainai">@securechainai</a> for this internship opportunity!</p> <h1> Web3 #Blockchain #DeFi #Solidity #ReactJS #SCAI #EtherAuthority #SecureChainAI #Staking #Internship </h1> blockchain web3