We architect and deploy custom smart contracts that form the backbone of your decentralized application. Our development process is built on security-first principles, utilizing battle-tested libraries like OpenZeppelin and rigorous internal audits before deployment.
LABS
Services
Mobile-First Sybil-Resistant Identity App
We develop end-user mobile applications (iOS/Android) that facilitate easy, secure Sybil-resistant identity creation and management, using device-level security features.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts.
From token standards to complex DeFi logic, we deliver contracts that are secure, gas-optimized, and ready for mainnet.
- Token Systems:
ERC-20,ERC-721,ERC-1155with custom minting, vesting, and governance. - DeFi Protocols: Automated Market Makers (AMMs), staking pools, and yield aggregators.
- Enterprise Logic: Multi-signature wallets, access control, and custom business logic for real-world assets.
Our contracts are built for long-term reliability. We provide comprehensive documentation, deployment scripts, and post-launch support to ensure your protocol operates as intended, minimizing risk and technical debt.
key-features-cards
ENGINEERED FOR SCALE AND SECURITY
Core Technical Capabilities
We build mobile-first identity systems that are secure by design, scalable for millions of users, and interoperable across the Web3 ecosystem. Our focus is on delivering production-ready infrastructure with enterprise-grade SLAs.
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Project
We translate technical architecture into measurable business results. Here’s what you can expect from our mobile-first, sybil-resistant identity solution.
01
Secure & Verifiable Onboarding
Deploy a mobile-native identity layer that reduces fake accounts by 95%+ using zero-knowledge proofs and biometric verification. We deliver a fully audited smart contract suite for credential issuance and revocation.
>95%
Sybil Attack Reduction
< 60 sec
User Onboarding
02
Cross-Platform Interoperability
Enable seamless identity portability across dApps and chains. We build with W3C Verifiable Credentials and Decentralized Identifiers (DIDs), ensuring compatibility with Ethereum, Polygon, and Solana ecosystems.
5+
Chain Integrations
W3C Compliant
Standards
03
Regulatory-Compliant Architecture
Navigate global compliance (GDPR, eIDAS) with privacy-by-design. Our solutions feature selective disclosure and data minimization patterns, keeping you audit-ready without sacrificing user experience.
Zero-Knowledge
Data Privacy
GDPR Ready
Compliance
04
Scalable Identity Graph
Grow your user base without infrastructure bottlenecks. We implement scalable attestation graphs and off-chain proof storage, supporting millions of monthly active users with sub-second verification latency.
< 1 sec
Proof Verification
1M+ MAU
Designed Scale
05
Reduced Operational Cost
Cut customer verification costs by 70%+ compared to traditional KYC. Automate trust with on-chain reputation and reusable credentials, eliminating repetitive manual checks and third-party fees.
70%+
KYC Cost Reduction
Automated
Trust Layer
06
Faster Time-to-Market
Launch your identity-powered app in 6-8 weeks, not months. We provide a production-ready SDK, developer documentation, and ongoing protocol upgrades, so you can focus on your core product.
6-8 weeks
Production Launch
Full SDK
Included
Scalable from MVP to Global Launch
Phased Development Tiers
A modular roadmap for building a mobile-first, sybil-resistant identity application, from proof-of-concept to enterprise-grade deployment.
| Core Capability | Proof-of-Concept (4-6 weeks) | Production-Ready (8-12 weeks) | Enterprise Scale (12-16+ weeks) |
|---|---|---|---|
Sybil-Resistant Onboarding | Basic social attestation (e.g., Gitcoin Passport) | Multi-factored attestation (social, biometric, device) | Custom attestation framework with KYC/AML integration |
Mobile SDK & Wallet Integration | React Native core SDK | iOS & Android native SDKs with biometric auth | White-label wallet with custom tokenomics & governance |
Identity Graph & Reputation | On-chain attestation storage | Off-chain verifiable credentials with selective disclosure | Decentralized identity graph with programmable reputation scores |
Smart Contract Suite Audit | Basic security review | Comprehensive audit by top-tier firm (e.g., Spearbit) | Continuous audit cycle & bug bounty program setup |
Backend Infrastructure | Managed node service (Alchemy/Infura) | Dedicated RPC nodes with load balancing | Multi-region deployment with 99.9% uptime SLA |
Compliance & Privacy | GDPR-ready data handling | Zero-knowledge proof integration for privacy | Custom compliance module for regulated jurisdictions |
Ongoing Support & Maintenance | 30-day post-launch support | 6-month support & monitoring package | Dedicated technical account manager & 24/7 SLO |
Estimated Investment | $25K - $50K | $80K - $150K | Custom (Contact for quote) |
how-we-deliver
CLIENT-CENTRIC DELIVERY
Our Development & Delivery Process
A structured, transparent approach designed for FinTech and Web3 startups to launch secure, scalable identity applications with predictable timelines and costs.
01
Discovery & Architecture
We conduct a technical deep-dive to define your identity model, threat vectors, and compliance requirements. Deliverables include a detailed technical spec, system architecture, and a phased roadmap for MVP and scaling.
1-2 weeks
Scoping Phase
Detailed Spec
Deliverable
02
Secure Smart Contract Development
Our engineers build your core identity logic using Solidity 0.8+ with OpenZeppelin libraries. Every contract undergoes internal review against OWASP Top 10 and common DeFi vulnerabilities before external audit.
OpenZeppelin
Security Standard
Internal Audit
Pre-Verification
03
Mobile-First Frontend & SDK
We develop a React Native/Flutter application with integrated Web3 libraries (ethers.js/web3.js) and a companion SDK for easy third-party integration. Focus is on intuitive UX for credential management and verification.
Cross-Platform
iOS & Android
Developer SDK
Included
05
Testing & Security Audits
Comprehensive unit, integration, and penetration testing. We facilitate and manage the process with a top-tier security firm (e.g., Trail of Bits, Quantstamp) for a final audit, delivering a verifiable report.
Full Coverage
Test Suite
Third-Party Audit
Guaranteed
06
Deployment & DevOps
We handle mainnet deployment with multi-sig safeguards, configure CI/CD pipelines, and set up monitoring/alerting for on-chain and off-chain components. Includes handover documentation and 30-day launch support.
Production Ready
Infrastructure
30-day Support
Post-Launch
security
CORE INFRASTRUCTURE
Custom Smart Contract Development
Secure, audited smart contracts built for your specific business logic and deployed on-chain.
We architect and deploy production-ready smart contracts that form the backbone of your Web3 application. Our development process ensures security-first design, gas optimization, and comprehensive audit readiness from day one.
- Token Systems: Custom
ERC-20,ERC-721,ERC-1155with advanced features like vesting, staking, and governance. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, yield aggregators, and derivative contracts.
- Enterprise Logic: Multi-signature wallets, access control systems, and custom business logic for real-world asset (RWA) tokenization.
We deliver fully documented, battle-tested code with a clear path to mainnet deployment in as little as 2-4 weeks.
Our engineers write in Solidity 0.8+ and Rust (for Solana), leveraging established libraries like OpenZeppelin and implementing formal verification where required. Every contract undergoes internal review against common vulnerabilities before we recommend third-party audits from firms like CertiK or Quantstamp.
Mobile Identity App Development
Frequently Asked Questions
Get clear answers on our process, security, and delivery for building your sybil-resistant identity application.
We deliver a production-ready MVP in 4-6 weeks from kickoff. This includes core features like wallet integration, credential issuance, and proof verification. Complex integrations (e.g., custom zero-knowledge circuits, multi-chain support) may extend the timeline, which we scope and agree upon 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