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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

On-Chain Randomness Security

We design and implement cryptographically secure, audited on-chain randomness systems for gaming, NFTs, and lotteries, ensuring provable fairness and manipulation resistance.
Chainscore © 2026
overview
FULL-STACK INFRASTRUCTURE

Custom Blockchain Development

End-to-end blockchain solutions from core protocol design to production-ready applications.

We architect and build custom blockchain infrastructure tailored to your specific use case. Our full-stack approach delivers a production-ready mainnet in 8-12 weeks, not months. We handle everything from consensus mechanism design to node orchestration and RPC layer optimization.

Deploy a purpose-built chain with the security of Ethereum and the throughput of a custom L1/L2.

  • Core Protocol: Design and implement custom EVM or Cosmos SDK chains, zkRollup sequencers, or Substrate parachains.
  • Node Infrastructure: Automated deployment with 99.9% uptime SLA, monitoring, and disaster recovery.
  • Developer Tooling: Custom block explorers, indexers, and JSON-RPC/gRPC endpoints for your team.
  • Security First: Formal verification, audit coordination, and mainnet launch support from day one.
key-features-cards
SECURE, VERIFIABLE, & RELIABLE

Our On-Chain Randomness Capabilities

We engineer provably fair and tamper-proof randomness for Web3 applications, ensuring your dApps are secure, compliant, and trusted by users.

02

Commit-Reveal Schemes

Implement robust commit-reveal patterns for fair ordering and selection in games, lotteries, and NFT drops. We ensure the process is transparent and resistant to last-revealer attacks.

Zero
Front-Running
Gas-Optimized
Implementation
04

Security Audits & Formal Verification

Every randomness implementation undergoes rigorous security review. We use static analysis, fuzzing, and formal verification to eliminate vulnerabilities before mainnet deployment.

Zero-Critical
Audit History
OpenZeppelin
Standards
05

Custom Randomness Oracles

Build bespoke randomness oracles that aggregate multiple sources (VRF, RANDAO, TLSNotary) for enhanced security and liveness, tailored to your application's risk profile.

Multi-Source
Redundancy
99.9%
Uptime SLA
06

Gas-Optimized Randomness Contracts

Deploy highly efficient smart contracts that minimize user transaction costs for requesting and consuming randomness, critical for high-volume dApps and games.

Up to 40%
Gas Savings
Solidity 0.8+
Codebase
benefits
FROM FEATURE TO BUSINESS IMPACT

Business Outcomes: Why Secure Randomness Matters

On-chain randomness is not just a technical feature; it's a business-critical component that directly affects user trust, protocol integrity, and revenue. Here's how our secure, verifiable randomness service translates into tangible results for your project.

01

Eliminate Exploits & Protect Revenue

Prevent front-running and manipulation in DeFi lotteries, gaming, and NFT drops with cryptographically secure, unpredictable randomness. Our VRF ensures every outcome is provably fair and cannot be gamed, protecting your protocol's treasury and user funds.

0
Exploits from RNG
100%
Verifiable Fairness
02

Build Unshakeable User Trust

Provide cryptographic proof for every random outcome. Users can independently verify the integrity of draws, loot boxes, and leaderboards, fostering long-term loyalty and reducing churn in competitive Web3 gaming and gambling markets.

40%+
Higher Retention
Auditable
On-Chain Proofs
03

Accelerate Time-to-Market

Deploy production-ready, audited randomness in days, not months. Our API-first approach and battle-tested smart contracts eliminate the need for costly in-house R&D and security reviews, allowing you to launch your feature faster.

< 1 week
Integration Time
Pre-Audited
OpenZeppelin Contracts
04

Ensure Regulatory & Audit Compliance

Meet the stringent fairness and transparency requirements of gaming regulators and security auditors. Our solution provides the tamper-proof audit trail needed for certification, reducing legal risk and due diligence overhead.

Certifiable
For iGaming
Trail of Bits
Audit Standards
05

Scale with Predictable Economics

Move away from unpredictable gas costs of on-chain RNG. Our hybrid model provides secure randomness with sub-second latency and fixed, predictable pricing, enabling you to scale your dApp without cost surprises.

< 1 sec
Latency SLA
Fixed Cost
Per Request
06

Future-Proof Your Architecture

Built with modularity and multi-chain support in mind. Our randomness oracle works seamlessly across Ethereum, Polygon, Arbitrum, and other EVM chains, ensuring your core logic remains portable as you expand.

10+
Supported Chains
Modular
Upgradeable Design
Cost & Complexity Analysis

On-Chain Randomness: Build vs. Integrate

A detailed comparison of the engineering effort, security risks, and total cost of ownership between developing a custom Verifiable Random Function (VRF) solution in-house versus integrating a production-ready service.

Key FactorBuild In-HouseIntegrate Chainscore VRF

Time to Production

6-12 months

2-4 weeks

Initial Development Cost

$150K - $400K+

$25K - $75K

Security Audit Requirement

Mandatory (External)

Included (Pre-Audited)

Ongoing Infrastructure Cost

$5K - $15K/month

$1K - $5K/month

Cryptographic Expertise Needed

Senior Crypto Engineer

API Integration

Uptime & Reliability SLA

Your responsibility

99.9% Guaranteed

Multi-Chain Support

Per-chain implementation

Native (10+ chains)

Response to Cryptographic Breach

Your team's liability

Protocol-level insurance

Total Cost of Ownership (Year 1)

$210K - $580K+

$37K - $125K

how-we-deliver
PROVEN METHODOLOGY

Our Security-First Development Process

Every on-chain randomness solution is built on a foundation of rigorous security protocols, from initial design to final audit. We deliver verifiably secure, production-ready systems.

Expert Guidance for CTOs & Builders

On-Chain Randomness Security FAQs

Get clear, technical answers to the most common questions about securing verifiable randomness for your Web3 applications.

The primary risk is predictability or manipulation by validators or users, which breaks application fairness. We mitigate this through a multi-layered approach: implementing verifiable delay functions (VDFs) like Chainlink VRF, commit-reveal schemes with cryptographic proofs, and leveraging decentralized oracle networks to eliminate single points of failure. Our architecture is designed to be provably fair and tamper-proof.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team
On-Chain Randomness Security | Chainscore Labs | ChainScore Guides