A decentralized smart contract built on Celo Sepolia Testnet, designed to collect and preserve public opinions permanently on the blockchain.
This project demonstrates how blockchain immutability can be used for transparency, trust, and open participation.
The Jayendra Opinion Contract is a simple Solidity-based project that allows anyone to:
- Share their opinion with the world.
- Store it permanently on-chain (no edits, no deletions).
- Read opinions from anyone, anytime.
Think of it as a public message wall that can never be altered — a true example of immutable records using blockchain.
- Submit Opinion – Any user can submit an opinion message.
- Store Permanently – The message is stored forever on the blockchain (cannot be changed).
- Retrieve Opinions – Anyone can view all submitted opinions and their authors.
- Count Entries – Get the total number of opinions stored.
✅ Open Access – No owner, no admin; anyone can participate.
✅ Immutable Data – Opinions cannot be modified or deleted.
✅ Transparent – Every opinion includes author address and timestamp.
✅ Lightweight & Gas Efficient – Simple design for quick deployments.
✅ Beginner-Friendly – Easy to understand and deploy on any EVM-compatible chain.
Language: Solidity ^0.8.0
Network: Celo Sepolia Testnet
License: MIT
Contract address : https://celo-sepolia.blockscout.com/tx/0x595cb3c04ee48ced5dd94499f22bc9fca23f0a13e7ad60dcc387d8c99a40921a
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