Zeyo

Zeyo is a privacy-preserving on-chain credentialing system that issues Soulbound Tokens (SBTs) as verifiable badges for validated DeFi activities. Built with ZK proofs, ERC-1155 standard, and Carv ID integration, Zeyo enables users to prove their DeFi participation — without compromising privacy — and store their achievements on-chain.

🚀 Live Demo

👉 Live App: https://zeyo-khaki.vercel.app/
👉 Smart Contract Address (BNB Tesnet): 0x6ea56230446eb206cb805494826c33C06971C61E

🔧 Tech Stack

• Smart Contract: Solidity (ERC-1155 SBT implementation)

• Blockchain: BNB Chain (EVM-compatible)

• Frontend: Next.js + TypeScript

• Wallet Connection: Reown + MetaMask

• ZK Proofs: (e.g., Circom / SnarkJS or your custom circuit)

• Identity Layer: Carv ID

• API Integration: Carv On-chain Activity Validation API

🧠 How It Works

1. Connect Wallet

Users securely connect their wallet via Reown or MetaMask.

2. Activity Verification

Users provide or select a DeFi activity. Carv’s API is used to fetch and validate on-chain proof of activity.

3. ZK Proof Generation

Zeyo creates a zero-knowledge proof verifying user activity without revealing sensitive data.

4. Mint SBT Badge

If valid, an ERC-1155 Soulbound Token is minted. The tokenId is linked to the user's Carv ID.

5. On-Chain Identity

The badge is displayed in the user's wallet and Zeyo dashboard, allowing users to verify credentials across ecosystems.

💡 Why Zeyo?

Traditional identity verification is flawed — it’s either too intrusive or too opaque. Zeyo solves this with:

✅ Privacy: Users prove eligibility with ZK proofs, not raw data
✅ Ownership: Credentials are minted directly to the user’s wallet
✅ Composability: Built on the open ERC-1155 standard
✅ Cross-Platform Recognition: Via Carv ID integration

🌍 Why Zeyo Fits the Tech Fairness Theme

Zeyo is built to democratize trust in Web3:

• 🟢 Equal Access: Any user with legitimate activity can earn a badge — no gatekeeping.

• 🛑 Bias-Free Validation: ZK proofs remove prejudice by verifying data, not identity.

• 💠 Transparent and Tamper-proof: Powered by BNB Chain, activity is fully auditable.

• 🔗 Interoperable Identity: Carv ID lets users carry their achievements across platforms, fairly.

Zeyo upholds the spirit of tech fairness by ensuring privacy, verifiability, and inclusivity for all.