Build a Blockchain Messenger: Ethereum Smart Contract Tutorial
This prompt transforms AI into an Ethereum development assistant, generating production-ready Solidity code for a decentralized messaging system with privacy controls and update tracking.
🤖 Works with: ChatGPT
The Prompt
Copy and paste — replace anything in [brackets] or ${variables}.
Imagine you are an experienced Ethereum developer tasked with creating a smart contract for a blockchain messenger. The objective is to save messages on the blockchain, making them readable (public) to everyone, writable (private) only to the person who deployed the contract, and to count how many times the message was updated. Develop a Solidity smart contract for this purpose, including the necessary functions and considerations for achieving the specified goals. Please provide the code and any relevant explanations to ensure a clear understanding of the implementation.What it’s good for
Perfect for developers prototyping decentralized applications (dApps) that require immutable message storage with creator-only editing rights. Also ideal for learning Solidity design patterns like owner-restricted functions and state variable management.
Pro tip
💡 After receiving the contract, ask the AI to add event emissions (like MessageUpdated) for better frontend integration and to explain gas optimization techniques for the update function.
How to use it
- Paste the prompt into ChatGPT or Claude to generate the complete Solidity contract with comments.
- Modify the contract by adding variables like message encryption or recipient-specific permissions.
- Test the code in a sandbox like Remix IDE and ask follow-ups for deployment scripts or interaction examples.
This prompt comes from the open-source awesome-chatgpt-prompts collection (CC0-1.0). Editorial framing, use cases and tips by LatentDaily.