We architect and deploy custom smart contracts that form the backbone of your protocol. Our development process is built for security and scale from day one, using Solidity 0.8+, OpenZeppelin libraries, and formal verification where required.
LABS
Services
ZK-Proof Identity for Resident Access
We build zero-knowledge proof-based identity systems for secure, privacy-preserving access to city services and facilities. Protect resident data while enabling seamless digital interaction.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Full Lifecycle Delivery: From initial design and
Hardhat/Foundrytesting to mainnet deployment and verification. - Security-First: Every contract undergoes internal audits, static analysis with
Slither, and integration with monitoring tools. - Gas Optimization: We write efficient code to minimize transaction costs, a critical factor for user adoption and protocol economics.
Deliver a secure, auditable, and gas-efficient foundation for your dApp in as little as 4-6 weeks.
key-features-cards
PROVEN INFRASTRUCTURE
Core Technical Capabilities
Our ZK-Proof Identity platform is built on battle-tested cryptographic primitives and enterprise-grade infrastructure, delivering secure, private, and verifiable access control for residential communities.
03
Biometric & Hardware Integration
Securely link ZK identities to physical access via encrypted APIs for biometric readers (fingerprint, facial) and hardware locks. End-to-end encrypted communication channels.
AES-256 / TLS 1.3
Encryption
REST / WebSocket
API Protocols
04
Real-Time Revocation & Compliance
Instant, gas-efficient revocation of access credentials upon lease termination or rule violation. Maintains a permanent, tamper-proof audit trail for property managers.
< 1 block
Revocation Time
Immutable Log
Audit Trail
06
Enterprise Security & Audits
Full-stack security from circuit design to frontend. Includes formal verification of ZK circuits, smart contract audits by firms like Spearbit, and SOC 2 Type II compliant infrastructure.
Formal Verification
ZK Circuits
SOC 2 Type II
Infrastructure
benefits
TANGIBLE RESULTS
Business Outcomes for Municipalities & Integrators
Our ZK-Proof Identity platform delivers measurable improvements in efficiency, security, and resident satisfaction. See the specific outcomes you can expect.
01
Eliminate Identity Fraud & Compliance Risk
Replace vulnerable username/password systems with cryptographically secure, verifiable credentials. Achieve compliance with data privacy regulations (GDPR, CCPA) by design, with a full audit trail of credential issuance and verification.
100%
Phishing-Resistant
Zero-Knowledge
Privacy Guarantee
02
Reduce Service Desk Burden by 70%+
Dramatically cut IT support costs by eliminating password resets and account recovery requests. Residents manage their own verifiable digital IDs, freeing municipal staff to focus on higher-value tasks.
>70%
Fewer Support Tickets
Self-Service
Resident Onboarding
03
Unify Access Across 50+ Services
Provide a single, reusable digital identity for residents to access permits, payments, utilities, libraries, and transit. Our interoperable credential system integrates with your existing municipal software stack via standard APIs.
Single Sign-On
Across All Portals
REST & GraphQL
Integration APIs
04
Deploy in Under 4 Weeks
Go from contract to pilot in one month with our pre-built, white-label platform. We handle the complex ZK cryptography and blockchain orchestration, providing you with a turnkey solution tailored to your municipality's branding.
< 4 weeks
Time to Pilot
White-Label
Ready to Brand
06
Guaranteed 99.9% Platform Uptime SLA
Resident access services cannot go down. Our distributed, fault-tolerant infrastructure comes with a financially-backed Service Level Agreement for availability, ensuring critical municipal services remain online.
99.9%
Uptime SLA
Geo-Redundant
Infrastructure
ZK-Proof Identity for Resident Access
Implementation Roadmap & Service Tiers
A phased approach to deploying a secure, compliant, and scalable identity verification system, from initial PoC to full-scale enterprise integration.
| Phase / Deliverable | Discovery & PoC (4-6 weeks) | Core Integration (8-12 weeks) | Scale & Optimize (Ongoing) |
|---|---|---|---|
Technical Architecture Review | |||
Custom ZK-Circuit Design | Proof-of-Concept | Production-Ready | Optimized |
Smart Contract Suite (Access Control, Registry) | Basic | Audited & Deployed | Multi-Chain |
Resident Onboarding SDK/API | Limited Scope | Full Integration | White-Label Ready |
Compliance & Privacy Audit | Gap Analysis | Full Report & Remediation | Continuous Monitoring |
Uptime & Performance SLA | 99.5% | 99.9% | |
Dedicated Technical Support | Slack Channel | 24/7 PagerDuty | |
Estimated Investment | $25K - $50K | $75K - $150K | Custom |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Integration Process
A structured, four-phase approach designed to deliver secure, scalable, and compliant ZK-Proof Identity systems with minimal disruption to your existing operations.
01
Architecture & Protocol Design
We design your system architecture, selecting optimal ZK circuits (e.g., Circom, Halo2) and defining the on-chain/off-chain data flow. This phase establishes the foundation for privacy, scalability, and regulatory compliance.
2-3 weeks
Design Phase
100%
Compliance Review
02
Circuit Development & Smart Contract Audit
Our team builds and rigorously tests the zero-knowledge circuits and the associated on-chain verifier contracts. Every component undergoes internal security review and is prepared for third-party audit.
OpenZeppelin
Security Patterns
Formal Verification
Audit Ready
03
Backend Integration & SDK
We develop the backend prover service and a lightweight SDK for your application. This enables seamless integration of proof generation and verification into your resident portal or mobile app.
< 100ms
Proof Gen Time
TypeScript/Go
SDK Support
04
Deployment & Ongoing Support
We manage the deployment of verifier contracts to your chosen network (Ethereum, Polygon, Arbitrum) and the prover infrastructure. Includes monitoring, maintenance, and SLA-backed support.
99.9%
Uptime SLA
24/7
Incident Response
ZK-Proof Identity for Resident Access
Frequently Asked Questions
Get clear, technical answers about implementing zero-knowledge identity verification for secure, privacy-first access control.
A standard deployment takes 4-8 weeks from kickoff to production. This includes a 2-week discovery and design phase, 3-4 weeks of core development and smart contract auditing, and 1-2 weeks for integration and final testing. Complex integrations with existing property management systems (PMS) or custom credential schemas may extend the timeline, which we scope and quote upfront.
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