Murena Litepaper

Abstract

Murena is a privacy-preserving protocol built on Solana that enables confidential transactions through zero-knowledge proofs. By combining Solana's high throughput with advanced cryptographic techniques, Murena delivers private transactions at scale.

Problem Statement

Public blockchains like Solana expose all transaction details on-chain, creating privacy concerns for users and institutions. Current privacy solutions either sacrifice performance, decentralization, or user experience.

Solution: The Murena Protocol

Murena introduces a three-component architecture that balances privacy, performance, and decentralization:

1. Shielded Pools

Users deposit assets into privacy pools where amounts and destinations are encrypted. Shielded pools use commitment schemes to hide transaction details while maintaining verifiability.

• Pedersen commitments for hiding transaction values
• Merkle trees for efficient proof generation
• Support for SPL tokens and SOL

2. Zero-Knowledge Proofs

Murena employs Groth16 zero-knowledge proofs to verify transactions without revealing sensitive information. Each transaction generates a proof that validates:

• Ownership of funds without exposing source addresses
• Transaction validity without revealing amounts
• Balance consistency across shielded operations

3. Decentralized Relayer Network

To prevent metadata leakage from transaction submission, Murena uses a decentralized network of relayers that submit proofs on behalf of users. This breaks the link between transaction origin and on-chain activity.

• Stake-based relayer selection
• Fee incentivization mechanism
• Anti-censorship guarantees

Technical Architecture

┌─────────────┐
│   User      │
└──────┬──────┘
       │ Generates ZK Proof
       ▼
┌─────────────┐
│  Relayer    │
└──────┬──────┘
       │ Submits Transaction
       ▼
┌─────────────┐
│   Solana    │
│   Verifier  │
└──────┬──────┘
       │ Updates State
       ▼
┌─────────────┐
│  Shielded   │
│    Pool     │
└─────────────┘

Tokenomics

The MURENA token serves as the governance and utility token for the protocol:

• Relayer Staking: Relayers stake MURENA to participate in the network
• Fee Distribution: Transaction fees are distributed to stakers and relayers
• Governance: Token holders vote on protocol upgrades and parameters
• Privacy Incentives: Rewards for contributing to anonymity sets

Roadmap

Security Considerations

Murena prioritizes security through multiple approaches:

• Formal verification of smart contracts
• Multiple security audits by leading firms
• Bug bounty program for vulnerability disclosure
• Gradual rollout with value caps during early phases

Conclusion

Murena brings privacy to Solana without compromising on the core values of decentralization and performance. By leveraging zero-knowledge proofs and a decentralized relayer network, we enable confidential transactions at scale.

Join us in building the future of private, fast, and accessible blockchain transactions.