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Project Thread🏆 ETHKL 2024 - Scroll & WorldCoin Track Winner

ClownFish Protocol — The First Global On-Chain Credit Lending Standard

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Overview

Establishes a global standard for under-collateralized lending by establishing an "On-Chain Bank" and repuational scoring.

Tech Stack

MPC (Multi-Party Computation)TEE (Trusted Execution Environment)World IDHardhat

Features

  • Chain Abstraction for seamless cross-chain UX
  • TEE-based MPC Wallet Generation (TON, BTC, SOL)
  • World ID Proof of Personhood integration
  • Dynamic reputation-based credit scoring

Key Decisions

01

Implemented Distributed Key Generation (DKG) within a TEE to ensure private keys are never fully assembled on any single server, eliminating the "Single Point of Failure" for cross-chain wallets.

02

Selected World ID as the primary identity oracle to prevent users from creating multiple accounts to "farm" low-collateral loans.

Learnings

→Gained deep technical insight into the lifecycle of homomorphic encryption and secure multi-party computation.
→Developed a risk-adjusted interest rate model that dynamically recalculates loan health based on on-chain activity across three disparate networks.
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