We architect and deploy mission-critical smart contracts with enterprise-grade security and gas optimization. Our team specializes in Solidity and Rust, delivering custom logic for DeFi, NFTs, and DAOs with formal verification and comprehensive audit trails.
LABS
Services
StarkNet Cairo Verifiable Tournament Systems
We build provably fair tournament platforms for Web3 esports and GameFi. Our systems use StarkNet's Cairo for complex logic and cryptographic verification, with final settlement on Ethereum for maximum security and trust.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built for production by veteran Web3 engineers.
From token standards to complex protocol logic, we build with the precision required for mainnet deployment.
- Production-Ready Code: Built on
OpenZeppelinstandards with 99.9% test coverage and documented attack vectors. - End-to-End Ownership: Full development lifecycle from architecture and testing to deployment and monitoring on
EVMorSolana. - Time-to-Market: Deliver a secure, audited MVP in 2-4 weeks, accelerating your product launch.
key-features-cards
BUILT ON STARKNET
Core Capabilities of Our Tournament Systems
Our Cairo-based verifiable tournament systems deliver provably fair, high-throughput, and scalable competition infrastructure. We handle the cryptographic complexity so you can focus on your game.
benefits
COMPETITIVE ADVANTAGE
Why Choose a Verifiable Tournament System
Move beyond basic leaderboards. Our StarkNet-based verifiable tournament systems deliver provable fairness, automated payouts, and enterprise-grade security, turning engagement into a sustainable revenue stream.
01
Provable Fairness & Transparency
Every game result, score, and ranking is cryptographically verified on StarkNet. Participants can independently audit the entire tournament lifecycle, eliminating disputes and building unshakeable trust in your platform.
100%
Verifiable Results
Zero Disputes
Guaranteed
02
Automated, Instant Payouts
Integrate smart contract-powered prize pools that execute payouts instantly and autonomously upon tournament completion. Reduce operational overhead, eliminate manual errors, and deliver a seamless winner experience.
< 5 min
Payout Time
0%
Manual Error
03
Scalable StarkNet Architecture
Built with Cairo on StarkNet for massive scalability and near-zero gas fees per transaction. Handle thousands of concurrent participants and complex tournament logic without compromising performance or user cost.
10k+ TPS
Theoretical Scale
< $0.01
Avg. User Cost
04
Custom Rule Engine & Logic
Tailor tournaments to your game's specific needs. Implement complex scoring, elimination brackets, season-long ladders, and special events with our flexible, audited Cairo smart contract framework.
2-4 weeks
Custom Deployment
Full Audit
Security Guarantee
05
Anti-Cheat & Sybil Resistance
Leverage on-chain identity proofs and verifiable randomness (VRF) to prevent botting, multi-accounting, and result manipulation. Protect prize pools and ensure a level playing field for all legitimate players.
StarkNet ID
Identity Layer
Chainlink VRF
Randomness Source
06
Seamless Web2/Web3 Integration
Deploy a hybrid system that works for both crypto-native and traditional users. Support credit card entry fees with custodial wallets, or direct crypto deposits—all settling to the same verifiable tournament contract.
Single Backend
Unified Logic
Flexible On/Off-Ramps
Payment Options
Choose Your Development Path
StarkNet Tournament Development Tiers
A detailed comparison of our structured service packages for building verifiable tournament systems on StarkNet, from foundational smart contracts to fully managed infrastructure.
| Core Deliverables | Launch | Scale | Enterprise |
|---|---|---|---|
StarkNet Smart Contract Suite | |||
Cairo 1.0 Code Audit & Security Review | Basic | Comprehensive | Comprehensive + Pen Test |
Tournament Logic (Brackets, Ladders, Swiss) | Single Format | Two Formats | Custom Multi-Format |
Prize Pool & Distribution Module | Basic | Advanced (Vesting, Splits) | Fully Custom |
Verifiable Proof Generation (Cairo) | On-Chain Results | On-Chain + ZK Proofs | Custom ZK Circuit Logic |
Frontend Integration Kit (React/Next.js) | Basic UI Components | Full SDK & Dashboard | White-Label Platform |
Deployment & Mainnet Launch Support | Guidance | Full Deployment | Managed Launch & Migration |
Post-Launch Support & Maintenance | 30 Days | 6 Months | 12-Month SLA |
Incident Response Time SLA | Best Effort | < 24 Hours | < 4 Hours |
Infrastructure Monitoring & Alerts | Basic Health Checks | 24/7 Proactive Monitoring | |
Estimated Timeline | 4-6 Weeks | 8-12 Weeks | Custom |
Starting Investment | $25,000 | $75,000 | Custom Quote |
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 specialists to power your dApp.
We architect and deploy audit-ready smart contracts for DeFi, NFTs, and enterprise protocols. Our development process ensures zero critical vulnerabilities at launch, backed by formal verification and comprehensive testing.
Deliver a secure, gas-optimized MVP in as little as 2 weeks with our battle-tested templates and rapid iteration cycles.
- Full-Stack Expertise:
Solidity/Rust(Solana) /Move(Aptos,Sui) development withOpenZeppelinstandards. - Security-First: Multi-stage audits, fuzz testing, and 99.9% uptime infrastructure integration.
- End-to-End Delivery: From specification and development to deployment, verification, and ongoing maintenance.
tech-stack
BUILT FOR SCALE AND SECURITY
Technology & Protocol Foundation
Our StarkNet Cairo tournament systems are engineered on a robust, battle-tested technology stack. We focus on verifiable correctness, gas efficiency, and seamless integration to deliver production-ready infrastructure.
01
StarkNet Cairo Smart Contracts
Custom, audited Cairo contracts for tournament logic, prize pools, and player verification. Built with OpenZeppelin Cairo libraries for maximum security and upgradability.
100%
On-chain Verifiability
> 50%
Gas Reduction
02
Zero-Knowledge Proof Integration
Seamless integration of STARK proofs for fair, verifiable tournament results and privacy-preserving player rankings. We handle the entire proof generation and verification pipeline.
Sub-second
Proof Generation
L2 Native
Verification
03
High-Performance Sequencer Node
Dedicated, optimized StarkNet sequencer nodes for low-latency transaction processing and reliable tournament state updates. Includes failover and monitoring.
99.9%
Uptime SLA
< 500ms
Avg. Latency
04
Secure Oracle & Data Feeds
Reliable, tamper-proof oracle integration for off-chain tournament data (e.g., game results, external APIs). Uses multiple attestation layers for data integrity.
Multi-source
Attestation
100%
Uptime Track Record
05
Scalable Account Abstraction
Implement ERC-4337 and native StarkNet account abstraction for seamless user onboarding, sponsored transactions, and batch operations for tournament entry.
1-Click
User Onboarding
Paymaster
Gas Sponsorship
StarkNet Tournament Systems
Frequently Asked Questions
Get clear answers on our development process, security, and support for your verifiable tournament platform.
A production-ready MVP with core tournament logic, Cairo smart contracts, and a basic frontend typically takes 4-6 weeks. Complex systems with custom matchmaking, multi-round structures, and advanced reward distribution can extend to 8-12 weeks. We provide a detailed project plan with milestones after the initial technical scoping session.
ENQUIRY
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.
NDA Protected
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall