🔒 KeccakBlackBox Engine

Verifiable Entropy & Traceable Hashing for Smart Contracts and zkApps

A modular, auditable, and SNARK-compatible Keccak entropy engine for the modern decentralized stack.
Built by one. Released to all. Deployed on Arbitrum at:
0x5E554947137A0dC0c153D3BA6542e2d34E68CF06

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🧠 The Problem

Randomness on-chain is still broken:

• ❌ Chainlink VRF: centralized oracle dependency
• ❌ Blockhash entropy: manipulatable and non-reproducible
• ❌ ZK rollups: require transparent, traceable Keccak ops for proof generation
• ❌ Lack of tooling: no open engine exists to observe, trace, and verify the entropy lifecycle

No modular, verifiable Keccak sponge system exists for smart contracts or ZK circuits. Until now.

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⚙️ The Solution — KeccakBlackBox Engine

• ✅ Commit–Reveal Entropy Feed: Contributors inject entropy trustlessly
• ✅ Keccak Sponge Tracing: Logs every step (absorb, pad, permute)
• ✅ SNARK-Ready Output: Generates proof-friendly traces for ZK circuits
• ✅ Merkle-Based Inclusion Proofs: Verifiable entropy origins
• ✅ Modular Shards: Offload entropy/logs to on-chain containers

A minimal, composable system for traceable randomness — compatible with circom, Noir, Risc0, zkWASM, and beyond.

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🧱 System Architecture

🔧 Core Mechanics

• commitEntropy(bytes32) → User commits entropy hash
• revealEntropy(bytes) → User reveals entropy and pays fee
• _feedEntropy(bytes) → Keccak sponge processing (step-wise)
• getTraceRoot() → Generates SNARK-verifiable hash trace
• deployShard() → Launches lightweight storage for entropy fragments
• verifyLeaf() → Validates source inclusion via Merkle proof

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🧪 Design Principles

• Traceability First — Every byte of entropy is observable
• Minimal & Modular — Built for reuse across rollups, DAOs, zkApps
• Self-Contained — Runs entirely on-chain, no oracle dependency
• ZK-Forward — Structured for zero-knowledge proof integration

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🔓 License

This project is now released under the MIT License.

You are free to use, fork, build, and expand. The engine is yours now too.

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🚀 Roadmap

✅ v0 — Live Now

• Deployed to Arbitrum One
• Verifiable entropy commit–reveal system
• Full Keccak trace logging engine
• SNARK-compatible trace output

🛠 v1 — Coming

• Dev CLI + SDK
• Frontend portal for entropy commits & trace inspection
• Circuit templates for proof verification (circom, Noir)

🌌 v2 — Vision

• Trustless entropy oracle protocol
• Native support in modular rollups, zk games, DAOs
• Cross-chain trace transport & entropy bridges

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🎯 Why This Matters Now

• The decentralized stack needs trustless randomness
• ZK rollups need reproducible hash traces
• Developers need composable entropy engines
• There are no other projects building this layer of infrastructure

This is the foundation layer for verifiable autonomy in smart contracts and zk-native apps.

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🙋 How to Get Involved

• 💸 Sponsor a 6-month dev sprint
• 🛠 Help build the SDK, frontend, or zk circuits
• 🔗 Connect with zk founders, L2 teams, and cryptography researchers

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Built in solitude. Released to the swarm.
Entropy is no longer hidden. Now it's verifiable.