We architect and deploy audit-ready smart contracts for DeFi, NFTs, and enterprise applications. Our team delivers custom logic on EVM chains (Ethereum, Polygon, Arbitrum) and Solana using battle-tested patterns from OpenZeppelin and Anchor.
LABS
Services
Proof-of-Personhood & Sybil-Resistant Mechanisms
Design and implement ZK-based protocols to verify unique humanness for governance, airdrops, and access control. Prevent bot attacks without collecting or exposing personal data.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your protocol.
- Security-First Development: Every line undergoes peer review and follows
ERC/SPLstandards. - Gas Optimization: We reduce transaction costs by up to 40% through efficient storage and logic.
- Full Audit Support: Contracts are prepared for third-party audits with comprehensive documentation and test coverage exceeding 95%.
From a simple
ERC-20token to a complex cross-chain vault, we deliver the foundational code that is secure, scalable, and ready for mainnet.
key-features-cards
BUILT FOR SCALE & COMPLIANCE
Core Capabilities of Our ZK Proof-of-Personhood Service
Our service delivers production-ready, Sybil-resistant identity verification, enabling you to launch compliant Web3 applications with real user growth. We handle the cryptographic complexity so you can focus on your product.
02
Multi-Factor Sybil Resistance
Leverage a hybrid model combining biometric liveness checks, government ID verification (KYC), and on-chain behavior analysis to create a robust, multi-layered defense against Sybil attacks.
99.5%
Attack Detection
< 0.1%
False Positive Rate
04
Enterprise-Grade Infrastructure
Deploy with 99.9% uptime SLA, SOC 2 Type II compliant infrastructure, and automated key management. Includes real-time monitoring dashboards and alerting for your ops team.
99.9%
Uptime SLA
SOC 2
Compliance
05
Custom Reputation & Scoring
Build on-chain reputation systems using verified identity data. Score users based on transaction history, governance participation, and social attestations to power token-gated experiences.
50+
Data Points
Real-time
Score Updates
benefits
DELIVERABLES
Business Outcomes: Secure Fair Participation
Our Sybil-resistant mechanisms are engineered to deliver measurable business results, ensuring your platform's integrity and growth are protected from day one.
01
Sybil-Resistant Identity Layer
Deploy a robust identity verification layer using World ID, Gitcoin Passport, or custom attestations to filter out bots and ensure one-person-one-vote principles.
> 99%
Bot Detection
< 100 ms
Verification Latency
02
Fair Distribution & Airdrops
Execute token launches and community rewards with verified participant lists, preventing whale manipulation and ensuring equitable distribution to real users.
0 Sybil Clusters
Post-Audit
2-4 Weeks
Campaign Setup
03
Governance Integrity
Secure on-chain voting and DAO proposals with verified member rolls, eliminating ballot-stuffing and protecting your protocol's decentralized decision-making.
100%
Audit Coverage
Snapshot & Tally
Platform Support
04
Compliant Onboarding
Integrate KYC/AML checks with zero-knowledge proofs for privacy-preserving compliance, enabling regulated DeFi and institutional participation.
ZK-Proofs
Privacy Standard
GDPR Ready
Data Compliance
A Cost-Benefit Analysis
Build vs. Buy: Implementing Sybil Resistance
Compare the total cost of ownership, risk, and time-to-market for developing Sybil-resistant mechanisms in-house versus using Chainscore's battle-tested solutions.
| Factor | Build In-House | Chainscore Managed Service |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $150K - $400K+ | $25K - $75K |
Security Audit & Pen Testing | Mandatory ($50K - $150K) | Included |
Ongoing Attack Monitoring | Your team's responsibility | 24/7 AI-powered monitoring |
Response Time to New Threats | Weeks (requires R&D) | < 24 hours |
Integration Complexity | High (custom smart contracts, oracles) | Low (API & SDK-based) |
Supported Protocols | Limited to your implementation | Ethereum, Polygon, Arbitrum, Base, Solana |
Compliance & Privacy (e.g., GDPR) | Your legal liability | Built-in privacy-preserving proofs |
Total Cost of Ownership (Year 1) | $250K - $600K+ | $50K - $150K |
Team Requirement | 3-5 senior blockchain engineers | Your existing dev team + our experts |
how-we-deliver
A PROVEN FRAMEWORK
Our Development Process: From Design to Mainnet
We deliver production-ready, Sybil-resistant systems through a rigorous, security-first process. From initial threat modeling to final audit, our methodology ensures your protocol is robust, scalable, and ready for real-world adoption.
01
Threat Modeling & Architecture
We begin with a comprehensive analysis of potential attack vectors and Sybil strategies. This phase defines the system architecture, selecting the optimal consensus mechanism (e.g., proof-of-uniqueness, social graph analysis) and tokenomics to meet your specific threat model.
50+
Attack Vectors Analyzed
1-2 weeks
Design Phase
02
Smart Contract Development
Our engineers write secure, gas-optimized Solidity/Vyper contracts implementing your chosen mechanism. We use established patterns from OpenZeppelin and conduct internal peer reviews for every function, focusing on logic correctness and resistance to manipulation.
OpenZeppelin
Security Foundation
100%
Test Coverage Target
03
Rigorous Testing & Simulation
We deploy automated test suites (Foundry/Hardhat) and run agent-based simulations to model Sybil attacks under realistic network conditions. This identifies edge cases and performance bottlenecks before any code reaches an auditor.
10k+
Simulated Attackers
< 0.1%
False Positive Target
04
Third-Party Security Audit
Your protocol undergoes a formal audit by a top-tier firm like Spearbit or Code4rena. We manage the entire process, from scoping to remediation, ensuring all critical and high-severity issues are resolved before mainnet deployment.
Spearbit / Code4rena
Audit Partners
2-4 weeks
Audit Timeline
05
Testnet Deployment & Monitoring
We deploy the audited contracts to a public testnet (Sepolia, Holesky) and run a bug bounty program or incentivized test. We monitor for anomalies and gather real-user feedback to fine-tune parameters and UX before the final launch.
4+ weeks
Live Testing
24/7
Monitoring
06
Mainnet Launch & Ongoing Support
We execute the secure mainnet deployment, configure initial parameters, and provide documentation for your team. Post-launch, we offer monitoring dashboards and incident response support to ensure long-term system health and Sybil resistance.
Zero-downtime
Deployment SLA
30 days
Included Support
security-approach
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications.
We architect and deploy production-grade Solidity and Rust smart contracts with formal verification and comprehensive audit trails. Our development lifecycle includes threat modeling, automated testing, and peer review to eliminate vulnerabilities before deployment.
Deliver a secure, gas-optimized contract suite in 2-4 weeks, from initial spec to mainnet deployment.
- Custom Logic:
ERC-20,ERC-721,ERC-1155, staking, governance, and bespoke DeFi primitives. - Security First: Built with
OpenZeppelinstandards, tested withFoundry/Hardhat, and reviewed by internal security experts. - Full Ownership: You receive all source code, deployment scripts, and documentation.
Technical & Implementation
Frequently Asked Questions on ZK Proof-of-Personhood
Get clear, specific answers to the most common questions about implementing Zero-Knowledge Proof-of-Personhood for your Web3 application.
A standard integration takes 2-4 weeks from kickoff to production-ready deployment. This includes requirements analysis, circuit design, smart contract development, and integration testing. For complex, custom identity schemas requiring novel circuit logic, the timeline extends to 6-8 weeks. We provide a detailed project plan within the first 3 days of engagement.
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