Dropin can utilize Mantle's low transaction fees, high scalability, and modular architecture to develop an eco-focused, decentralized lottery and crowdfunding platform. The platform allows users to stake tokens and participate in gamified lotteries, while contributing to environmental initiatives like reforestation and sustainability projects. The integration with Mantle enables low-cost transactions, cross-chain compatibility, and decentralized governance to promote eco-friendly behaviors.
- How it Works: Users can stake tokens (e.g., MNT, $Dropin tokens) to fund green projects (e.g., reforestation, solar energy). Each contribution gives users lottery tickets and rewards them with eco-incentives (e.g., tree planting credits, carbon credits).
- Mantle Integration: Mantle’s ultra-low transaction fees and scalability allow users to interact with the platform without the concern of high gas costs, making it accessible to a global audience.
- Incentives: Beyond the contributions, users also receive NFTs or DePIN rights, tokenizing their involvement in green initiatives, which can later be traded or redeemed.
- How it Works: After a predefined crowdfunding cycle, users can participate in a lottery based on their staked tokens. Prizes are eco-focused, such as solar panel rights, tree planting credits, or carbon offset tokens.
- Mantle’s Role: Mantle’s Sequencer ensures fast transaction ordering and its EigenDA for efficient data availability ensures transparency in lottery draws and distribution, helping Dropin manage large numbers of transactions while keeping costs low.
- Cross-Chain Support: Using Mantle's cross-chain interoperability, users from various ecosystems (e.g., Ethereum, Polygon, Solana) can participate, expanding Dropin’s user base and fostering a diverse community of eco-conscious investors.
- How it Works: Contributions and lottery rewards are represented as NFTs, which may include rights to carbon credits, solar equipment, or tree planting initiatives. These NFTs can be traded on Mantle’s decentralized exchange (DEX) for additional liquidity and engagement.
- Mantle’s Advantage: Mantle’s high throughput and low-cost transactions make it ideal for NFT-based rewards and trading, allowing users to easily buy, sell, or hold NFTs tied to environmental impact projects.
- Community Incentives: Users who hold NFTs representing green assets may receive additional rewards, such as exclusive NFTs or token drops linked to platform milestones or new project phases.
- How it Works: A DAO will be formed to allow token holders and contributors to vote on critical decisions like which green initiatives receive funding, which rewards to distribute, and how the platform evolves.
- Mantle’s Role: Dropin can integrate Aragon DAO tools within Mantle’s ecosystem to support transparent governance. This ensures decentralized, community-driven decision-making while benefiting from Mantle’s low-cost and high-speed infrastructure.
- Incentives for Participation: Active users or voters can be rewarded with tokens, NFTs, or exclusive eco-incentives for contributing to governance decisions or helping with community growth.
- Low-Cost Transactions: With Mantle’s modular architecture, transactions for staking, rewards, and NFT trading can be processed at ultra-low costs, which helps to scale Dropin’s ecosystem globally. Users don’t need to worry about high transaction fees, making the platform more attractive for small contributions and global participation.
- Modular Blockchain Design: Dropin’s smart contracts can utilize Mantle DA for efficient data storage and off-chain processing. This reduces the load on main networks while keeping transaction costs low.
- Cross-Chain Bridges: By using Mantle's cross-chain features, Dropin can support users from other chains (e.g., Ethereum, Solana, Polygon), expanding its ecosystem and making it more accessible to participants from multiple blockchain ecosystems.
- Developer Tools: Leveraging Mantle’s developer-friendly tools like Hardhat and Mantle SDK, Dropin can streamline the deployment of smart contracts, enhance testing and auditing processes, and rapidly develop its MVP (Minimum Viable Product) for the Hackathon.
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MVP Development:
- Crowdfunding Mechanism: Users stake tokens to contribute to green projects, earning lottery tickets in return.
- Gamified Lottery: Stakeholders enter lotteries based on contributions, with rewards such as NFTs or eco-assets.
- NFTs as Rewards: Contributions and lottery wins are tokenized as NFTs, which users can trade or redeem.
- DAO Setup: A simple DAO governance model to enable decentralized decision-making on funding allocation and future rewards.
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Integration with Mantle:
- Deploy the MVP on Mantle’s testnet using Hardhat for smart contract deployment and Mantle Faucet for token distribution.
- Integrate Mantle Sequencer for transaction ordering and EigenDA for data availability, optimizing performance and scalability.
- Enable cross-chain participation via Mantle’s cross-chain compatibility to allow users from Ethereum, Solana, and other blockchains to engage.
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Community Engagement:
- Create incentive structures where users can earn rewards by engaging with social media campaigns (e.g., sharing their involvement in Dropin via Telegram, Twitter).
- Promote the hackathon participation and sustainability mission through active community channels and partnerships with eco-projects.
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Launch & Governance:
- Introduce DAO functionality where the community votes on future green projects or platform upgrades.
- Reward active participants and voters with tokens, NFTs, and other incentives.
Dropin, integrated with Mantle’s ecosystem, provides an efficient, scalable, and community-driven platform for eco-sustainability. By leveraging Mantle’s low transaction costs, high scalability, and cross-chain compatibility, Dropin can democratize participation in green initiatives while creating a gamified, reward-driven experience. The platform aligns perfectly with Mantle’s strengths, making it a strong candidate for the Mantle Hackathon and paving the way for a decentralized, green future.
GitHub Repository for Dropin’s Mantle Hackathon Submission
Dropin is a decentralized green lottery and crowdfunding platform designed to fund sustainability projects, such as reforestation and renewable energy initiatives. By utilizing Mantle’s modular architecture and developer tools, Dropin leverages DeFi, NFTs, and DAO governance to create a scalable, low-cost platform focused on environmental sustainability.
This repository contains the implementation of Dropin's MVP (Minimum Viable Product) for the Mantle Hackathon, showcasing core features like green project crowdfunding, gamified eco-lottery, NFT rewards, and DAO governance.
- Users stake MNT or $Dropin tokens to fund environmental projects.
- Each contribution grants users lottery tickets that can be used for future eco-impact lotteries.
- Supports cross-chain participation via Mantle’s interoperability features.
- Stakers are eligible to win eco-incentive rewards like carbon credits, tree planting credits, and solar panel rights.
- Transparent lottery mechanics ensured by Mantle's Sequencer and EigenDA for efficient data availability.
- Contributions and lottery winnings are represented as NFTs (e.g., rights to tree planting or carbon credits).
- NFTs can be traded on Mantle’s NFT marketplaces, increasing liquidity and engagement within the community.
- Users participate in governance through staking and voting on green project funding and platform upgrades.
- Uses Aragon DAO tools on Mantle for transparent governance and decision-making.
git clone https://github.com/your-repo/dropin-mantle-hackathon.git
cd dropin-mantle-hackathon- Install Node.js (v16.x or higher)
- Install dependencies via npm or yarn:
npm install
# or
yarn install- Create a
.envfile in the root of the project and configure the following environment variables:
MANTLE_RPC_URL=https://rpc.mantlenetwork.io
MNT_TOKEN_ADDRESS=<Mantle MNT token contract address>
DROPIN_TOKEN_ADDRESS=<Dropin token contract address>
NFT_CONTRACT_ADDRESS=<NFT contract address>
DAO_CONTRACT_ADDRESS=<DAO contract address>
- Use Hardhat to deploy the smart contracts to the Mantle testnet.
npx hardhat run scripts/deploy.js --network mantleTestnet- The GreenFund contract allows users to stake tokens and fund green projects. Each stake earns users lottery tickets proportional to the amount contributed.
- Lottery mechanism triggers after a set funding period ends, with winners selected randomly.
- Token: MNT or $Dropin token.
pragma solidity ^0.8.0;
contract GreenFund {
mapping(address => uint256) public stakes;
mapping(address => uint256) public lotteryTickets;
function stake(uint256 amount) external {
// Stake logic
}
function triggerLottery() external {
// Lottery logic
}
}- The NFT contract issues NFTs that represent eco-impact contributions, like carbon credits and tree planting.
- Each NFT can be traded or redeemed for real-world eco-rewards.
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC721/extensions/ERC721Enumerable.sol";
contract EcoNFT is ERC721Enumerable {
uint256 public tokenIdCounter;
function mint(address to) public {
_safeMint(to, tokenIdCounter);
tokenIdCounter++;
}
}- The DAO contract enables users to vote on the allocation of funds and the decision-making process for new green projects.
- Users can stake $Dropin tokens to participate in governance.
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
contract EcoDAO {
IERC20 public governanceToken;
constructor(address _governanceToken) {
governanceToken = IERC20(_governanceToken);
}
function vote(uint256 proposalId, bool support) external {
// Voting logic
}
}- Mantle Sequencer: Ensures that transactions are processed efficiently and in the correct order with minimal latency.
- EigenDA: Provides efficient data availability for transactions and smart contracts, reducing the need for centralized data storage and lowering costs.
- Dropin leverages Mantle’s cross-chain compatibility to enable participation from users across different blockchain ecosystems (Ethereum, Solana, etc.).
- Use Hardhat to deploy and test the smart contracts on the Mantle testnet:
npx hardhat run scripts/deploy.js --network mantleTestnet- Use Hardhat Console or Ethers.js to interact with the deployed GreenFund contract for staking and lottery participation.
const greenFund = await ethers.getContractAt('GreenFund', greenFundAddress);
await greenFund.stake(1000); // Stake 1000 MNT- Users can vote on green project funding and other platform decisions by interacting with the EcoDAO contract.
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MVP Deployment:
- Deploy the smart contracts to the Mantle testnet and demonstrate the core functionalities: crowdfunding, lottery, NFTs, and DAO governance.
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Testing & Bug Fixes:
- Test the system’s stability and ensure smooth integration with Mantle’s infrastructure.
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Documentation & Reporting:
- Prepare detailed documentation (this repository) and submit the project to the Mantle Hackathon platform.
We welcome contributions from the open-source community! To contribute, please fork the repository, make your changes, and submit a pull request.
- Fork the repository.
- Clone your fork to your local machine.
- Make your changes.
- Submit a pull request with a clear description of your changes.
https://github.com/Dropineth/ 10+ years of experience in TMT consumer and ESG investment research. Focused on sustainable killer applications in Web2 and Web3. Former member of CMRC's science and technology enterprise marketing and business growth research group.
https://github.com/XieJunhua/ Proficient in Solidity, Python, and Java. 2+ years developing Ethereum smart contracts. Experienced in blockchain technology, including Ethereum, Solana, and Sui. Strong background in data and backend development.
- Mantle for its low-cost, high-performance blockchain infrastructure.
- OpenZeppelin for their secure smart contract libraries.
This GitHub repository provides the full technical implementation and instructions for Dropin's participation in the Mantle Hackathon, demonstrating how Dropin integrates with Mantle's ecosystem to create a sustainable, decentralized green lottery platform.