Onkai

This project shows how a normal web application can be connected to blockchain technology in a practical way. From the user’s point of view, it works like any other website:

• You open a page
• You click buttons
• You see results immediately

Behind the scenes, the system also uses blockchain to:

• Verify actions transparently
• Handle digital payments
• Keep a public record of certain operations

The main idea is not to replace traditional software, but to enhance it with features that increase trust, automation, and transparency. You don’t need to understand blockchain to use the app.

What Problem It Solves In many web apps today:

• Payments require intermediaries
• Records are private and controlled by one company
• Trust depends entirely on the platform

This project demonstrates how to:

• Automate payments without manual approval
• Make certain actions verifiable by anyone
• Reduce dependence on middlemen
• Combine the speed of normal web apps with the reliability of blockchain

How It Works (Conceptually)

1. A user interacts with a normal website
2. The backend processes the request like any standard server
3. When needed, the system also records or executes an action on the blockchain
4. The result is shown back to the user instantly

All the complexity is handled behind the scenes.

Why This Matters

• Users get a simple experience
• Developers keep familiar tools
• Businesses gain transparency and automation
• Payments and records become harder to manipulate

This approach is ideal for:

• Startups testing new ideas
• Hackathons
• Educational projects
• Companies curious about blockchain but not ready to go “full crypto”

We built this project as a Web2–Web3 bridge, keeping the user experience familiar while using blockchain only where it adds real value.

The frontend is a standard web app, while a Node.js backend acts as the coordinator between traditional APIs and onchain logic. Social engagement data is collected offchain, processed by automation agents, and converted into transparent rewards.

We used n8n to build a multi-agent system:

A research agent collects engagement data

A scoring agent converts engagement into rewards

A verification agent enforces rules and prevents duplicates

A payment agent triggers onchain payouts

Rewards are distributed using a Solidity smart contract on Base testnet, paying creators in USDC for predictable, real-world value.

The most notable part is how we turned offchain attention into onchain rewards without exposing users to Web3 complexity. Automation handled orchestration, while smart contracts guaranteed transparency and trust.