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Parametric insurance

Create a decentralized parametric insurance platform using smart contracts and Chainlink oracles. Automate insurance payouts for natural disasters based on real-world data, streamlining claims and improving transparency.

Parametric insurance

Created At

ETHOnline 2024

Project Description

The "Parametric Insurance for Natural Disasters" project is a decentralized insurance platform designed to simplify and automate the insurance process for natural disasters using blockchain technology and Chainlink oracles.

Project Overview Objective: Develop a platform that provides insurance coverage for natural disasters, such as hurricanes, earthquakes, and floods. The platform uses smart contracts to manage insurance policies and trigger payouts automatically based on predefined criteria.

Key Components Smart Contracts: Policy Management: Smart contracts handle the creation and management of insurance policies. These contracts store policy details, such as the policy name, coverage amount, and type of disaster covered. Payout Logic: Smart contracts automate the payout process. When a disaster event is detected and meets the predefined criteria, the contract triggers payouts to policyholders. Chainlink Oracles: Data Fetching: Chainlink oracles fetch real-world data related to natural disasters, such as hurricane categories or earthquake magnitudes, from trusted sources (e.g., NOAA, USGS). Data Integration: The fetched data is used by the smart contracts to determine if the conditions for triggering a payout are met. User Interface: Policy Management: Users can view, create, and manage their insurance policies through a web interface. They can see their coverage details and check the status of their claims. Claims Processing: When a disaster event meets the policy criteria, the system automatically processes claims and triggers payouts without requiring manual intervention. Features Parametric Insurance Policies: Users can create insurance policies with predefined parameters for different types of natural disasters. Automated Claims: Claims are processed automatically based on data from Chainlink oracles, reducing administrative overhead and improving efficiency. Transparent Payouts: The use of blockchain ensures transparency and security in the payout process, as all transactions are recorded on the blockchain. Benefits Efficiency: Automates the claims process, reducing the time and effort required to handle claims manually. Transparency: Utilizes blockchain technology to provide a transparent and immutable record of insurance policies and payouts. Accuracy: Leverages Chainlink’s reliable data sources to ensure accurate and timely payouts based on real-world events. In summary, this project integrates blockchain and Chainlink technologies to create a streamlined, transparent, and efficient parametric insurance platform for natural disasters. It automates policy management and payouts, ensuring that users receive timely compensation based on verified disaster data.

How it's Made

  1. Smart Contract Development

Technology Used:

Solidity: The smart contracts are written in Solidity, a high-level programming language designed for Ethereum smart contracts. Details:

DisasterInsurance.sol: The core smart contract manages insurance policies and payouts. It includes functions for creating policies, triggering payouts based on predefined criteria, and managing policy details. Chainlink Integration: The contract integrates with Chainlink oracles to fetch real-time disaster data. This integration ensures that the contract can automatically process claims based on verified external data. 2. Blockchain Integration

Technology Used:

Ethereum: The smart contracts are deployed on the Ethereum blockchain. This provides a decentralized and immutable ledger for managing insurance policies and payouts. Details:

Deployment: The contract is deployed using Truffle, a popular development framework for Ethereum. This involves writing migration scripts to handle the deployment process. 3. Chainlink Oracles

Technology Used:

Chainlink: Chainlink oracles are used to fetch and verify real-world data related to natural disasters (e.g., hurricane categories, earthquake magnitudes). Details:

Data Sources: Chainlink connects to trusted data sources like NOAA and USGS to retrieve disaster data. This data is then used to trigger payouts in the smart contract based on the predefined parameters of the insurance policies. 4. User Interface

Technology Used:

React.js: The frontend is built using React.js, a popular JavaScript library for building user interfaces. Tailwind CSS: Tailwind CSS is used for styling the application, providing a modern and responsive design. Details:

Policy Management: Users can interact with the smart contract via a web interface to create and manage insurance policies. The frontend communicates with the Ethereum blockchain using Web3.js. Claims Processing: The interface allows users to view their policies and check the status of claims. Automated claims are reflected in real-time based on the data provided by Chainlink oracles. 5. Deployment and Interaction

Technology Used:

Truffle: Truffle is used for smart contract deployment and testing. It provides a development environment, testing framework, and asset pipeline for Ethereum. HDWalletProvider: This library is used to manage Ethereum accounts and connect to a blockchain network (e.g., Infura or Alchemy) for deployment and interaction. Details:

Scripts: Custom scripts are created to deploy the smart contract and interact with it. These scripts use Web3.js and HDWalletProvider to manage deployments and perform transactions. 6. Notable Technical Details

Hacky Integration: To ensure real-time data fetching and processing, a mock Chainlink price feed was used during initial development and testing. This approach allowed for quicker iteration and debugging before integrating with live data sources. Testing and Verification: Comprehensive tests are written using Mocha and Chai to verify the functionality of the smart contract, including policy creation, payout triggers, and access control. Summary The project leverages a combination of Solidity for smart contracts, Chainlink for external data integration, and Ethereum for decentralized execution. The frontend uses React.js and Tailwind CSS for a responsive user interface. Truffle and HDWalletProvider facilitate contract deployment and interaction. The integration of Chainlink oracles ensures that insurance payouts are automatically triggered based on real-world data, enhancing the efficiency and transparency of the insurance process.

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