<h2 class="heading-node">🏆 Bounty: Build a Time-Locked Wallet on Solana</h2>Prize Pool: 150 - 100 - 50 USDCDuration: 7 daysLevel: Beginner-friendly (Solana Program + simple Frontend)<hr><h3 class="heading-node">🔧 Objective</h3>Create a Solana smart contract and simple frontend for a Time-Locked Wallet:<ul class="list-node"><li>A user deposits SOL or USDC into a PDA account.</li><li>Funds are locked until a specified unlock timestamp.</li><li>After the unlock time, the user (or designated recipient) can withdraw the funds.</li></ul><hr><h3 class="heading-node">💡 Why It Matters</h3>This is a basic building block for many on-chain use cases:<ul class="list-node"><li>Grants with release schedules</li><li>DAO-controlled disbursements</li><li>Trust funds or delayed payouts</li><li>Parental wallets or time-based savings</li></ul><hr><h3 class="heading-node">✅ Deliverables</h3>To qualify for the prize, your submission must include:<h4 class="heading-node">1.&nbsp;Solana Program (using Anchor)</h4><ul class="list-node"><li>✅ Instruction: initialize_lock(amount, unlock_timestamp)</li><li>✅ Instruction: withdraw()</li><li>✅ Program owns a PDA account that holds the locked funds</li><li>✅ Lock must be enforced on-chain (not just frontend)</li></ul><h4 class="heading-node">2.&nbsp;Frontend</h4><ul class="list-node"><li>✅ Form to create a time-locked wallet (input: amount + unlock time)</li><li>✅ Display wallet state (amount locked, unlock date)</li><li>✅ Button to withdraw if eligible (should fail if too early)</li><li>✅ Works with Phantom or Backpack wallet </li></ul><h4 class="heading-node">3.&nbsp;Public GitHub Repo</h4><ul class="list-node"><li>✅ Program folder (Anchor)</li><li>✅ Frontend folder (React or Svelte or HTML/JS)</li><li>✅ <a class="link" href="http://README.md">README.md</a> with clear instructions to run both</li><li>✅ Optional: deploy to devnet and include test account/demo</li></ul><hr><h3 class="heading-node">🧪 Bonus (Not Required)</h3>You’ll earn bonus points if you:<ul class="list-node"><li>Use USDC (SPL token) instead of just SOL</li><li>Add a countdown timer to unlock in the UI</li><li>Write a simple test using Mocha/Chai or Anchor CLI</li></ul><hr><h3 class="heading-node">🧠 Tips &amp; Resources</h3><ul class="list-node"><li><a class="link" href="https://book.anchor-lang.com/">Anchor Book</a></li><li><a class="link" href="https://solana-labs.github.io/solana-web3.js/">@solana/web3.js Docs</a></li><li>Use <a class="link" href="https://www.npmjs.com/package/@coral-xyz/anchor">@coral-xyz/anchor</a> in frontend</li><li>Reference: <a class="link" href="https://solana-labs.github.io/solana-web3.js/classes/SystemProgram.html#transfer">SystemProgram.transfer()</a></li></ul>