We architect and deploy custom smart contracts that form the secure, immutable core of your Web3 application. Our development process is built on audited code patterns and gas-optimized logic to ensure reliability and cost-efficiency from day one.
LABS
Services
Zero-Knowledge Proof-of-Uniqueness Development
We research and implement novel cryptographic protocols using zero-knowledge proofs to allow users to cryptographically prove they are a unique human without any trusted setup or biometrics.
Chainscore © 2026
overview
SECURE FOUNDATIONS
Smart Contract Development
Production-ready smart contracts built for security, scalability, and compliance.
- Security-First Development: Contracts built with
OpenZeppelinstandards, comprehensive unit testing, and pre-deployment audits. - Protocol Expertise: Custom logic for
ERC-20,ERC-721,ERC-1155, staking, governance, and complex DeFi primitives. - Full Lifecycle Support: From architecture and development to deployment, verification, and ongoing maintenance on your chosen chain.
Deliver a secure, auditable, and high-performance contract suite in 2-4 weeks, reducing your technical risk and accelerating your go-to-market.
key-features-cards
ZK-PROOF ENGINEERING
Core Protocol Capabilities
Our development delivers production-ready ZK-proof-of-uniqueness systems that are secure, scalable, and seamlessly integrated into your existing stack.
benefits
DELIVERABLES
Business Outcomes for Your Application
Our Zero-Knowledge Proof-of-Uniqueness development delivers concrete, measurable results that accelerate your product roadmap and de-risk your launch.
01
Fully Audited ZK Circuits
Production-ready zk-SNARK or zk-STARK circuits for uniqueness verification, audited by leading security firms to ensure mathematical correctness and resistance to adversarial attacks.
100%
Formal Verification
Certified
Security Audit
02
Gas-Optimized On-Chain Verification
Smart contracts with sub-100k gas verification costs, enabling scalable on-chain uniqueness checks for NFTs, credentials, or voting systems without prohibitive fees.
< 100k
Gas Cost
Sub-second
Verification
03
Custom Prover & Verifier SDK
A developer SDK for your specific use case (e.g., NFT minting, airdrop eligibility) that abstracts ZK complexity, allowing your team to integrate in days, not months.
< 2 weeks
Integration Time
Full Docs
TypeScript/Python
04
Privacy-Preserving User Onboarding
Implement Sybil-resistant mechanisms for sign-ups and rewards without collecting or exposing personal user data, ensuring GDPR/CCPA compliance by design.
Zero-Knowledge
Data Collection
Compliant
GDPR/CCPA
05
High-Throughput Proof Generation
Scalable proving infrastructure capable of generating thousands of uniqueness proofs per second, backed by a 99.9% uptime SLA for critical applications.
99.9%
Uptime SLA
1k+ TPS
Proof Generation
06
End-to-End Technical Ownership
We handle the full stack from circuit design and trusted setup to cloud deployment and monitoring, delivering a turnkey solution with dedicated support.
Full Stack
Delivery
Dedicated
Technical Support
Technical Comparison
ZK Proof-of-Uniqueness vs. Traditional Sybil Defense
A detailed breakdown of how our Zero-Knowledge Proof-of-Uniqueness development service compares to conventional methods for preventing Sybil attacks in Web3 applications.
| Defense Mechanism | ZK Proof-of-Uniqueness | Traditional Methods (e.g., CAPTCHA, KYC) |
|---|---|---|
Privacy & User Experience | Anonymous verification; no personal data shared. | Requires personal data, biometrics, or manual tasks. |
Security Model | Cryptographic proof of uniqueness; resistant to bots & farms. | Heuristics-based; often bypassed by sophisticated bots. |
On-Chain Verifiability | Fully verifiable on-chain with a ZK proof. | Off-chain verification; requires trusted oracles/APIs. |
Decentralization | Fully decentralized and trustless verification. | Centralized verification points create single points of failure. |
Integration Complexity | Standardized SDK; integrates in < 2 weeks. | Custom API integrations; ongoing maintenance required. |
Cost Structure | Predictable, protocol-based gas fees. | Variable costs for third-party services & manual reviews. |
Scalability | Horizontal scaling; supports 10,000+ concurrent verifications. | Bottlenecks at verification servers; scales linearly with cost. |
Regulatory Resilience | Privacy-preserving by design; reduces data liability. | High compliance overhead (GDPR, CCPA) for stored PII. |
how-we-deliver
PREDICTABLE, AUDITABLE, SECURE
Our Development & Integration Process
A structured, four-phase methodology designed for technical leaders who need a reliable, secure, and transparent path from concept to production. We deliver auditable code and clear documentation at every step.
01
Architecture & Protocol Design
We design your ZK proof-of-uniqueness system architecture, selecting optimal ZK-SNARK/STARK frameworks (e.g., Circom, Halo2) and defining the on-chain verification contract interface. This phase establishes the cryptographic and economic security model.
1-2 weeks
Design Sprint
100%
Spec Documentation
02
Circuit Development & Optimization
Our engineers write and rigorously test the zero-knowledge circuits that prove uniqueness without revealing underlying data. We focus on gas efficiency for the verifier contract and minimizing prover computation costs.
Circom/Halo2
Framework
< 500k gas
Verification Target
03
Smart Contract Integration
We deploy the verifier smart contract (Solidity/Vyper) and integrate it with your application's core logic—whether it's for NFT minting, Sybil-resistant airdrops, or governance. Includes comprehensive event logging and upgradeability planning.
OpenZeppelin
Security Standard
Full Test Suite
Deliverable
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts on EVM and Solana that power your core business logic. Our process delivers audit-ready code in 2-4 weeks, ensuring security and reliability from day one.
We build the unbreakable foundation your dApp needs to scale with confidence.
- Token Systems:
ERC-20,ERC-721,SPLtokens with custom minting, vesting, and governance. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield aggregators.
- Enterprise Logic: Multi-signature wallets, automated treasury management, and supply chain tracking.
- Security First: Development follows OpenZeppelin standards and includes comprehensive unit testing with
HardhatorAnchor.
Zero-Knowledge Proof-of-Uniqueness
Frequently Asked Questions
Get clear answers on our development process, security, and timelines for implementing ZK-based uniqueness verification.
Our engagement follows a structured 4-phase process: 1) Discovery & Scoping (1 week): We analyze your use case (e.g., NFT minting, airdrops, KYC) to define the uniqueness logic and ZK circuit requirements. 2) Circuit Design & Development (2-3 weeks): Our cryptographers design the circuit using Circom or Halo2, implementing the zero-knowledge proof for your specific uniqueness constraint. 3) Integration & Testing (1-2 weeks): We integrate the verifier contract (Solidity) with your dApp and conduct rigorous security audits, including formal verification for the circuit. 4) Deployment & Support: We deploy on your chosen chain (EVM, L2s, etc.) and provide 90 days of post-launch support.
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