We deliver audit-ready code from day one, using battle-tested patterns from OpenZeppelin and rigorous internal reviews. Our focus is on security-first development to protect your assets and users.
LABS
Services
Verifiable Credential Platform Engineering
Architecture and implementation of production-grade credential issuance, verification, and presentation platforms, tailored for specific blockchains like Solana or Flow with custom schema support.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for speed and reliability.
Deploy a custom
ERC-20,ERC-721, or complex DeFi protocol in 2-4 weeks, not months.
Our process ensures your contracts are:
- Gas-optimized for minimal transaction costs.
- Upgradeable using transparent proxy patterns.
- Fully documented with NatSpec comments for easy maintenance.
We build for the real world. Every contract includes:
- Comprehensive testing with 95%+ coverage using
HardhatorFoundry. - Deployment scripts and verification for Etherscan.
- Integration support for frontends and backend services.
key-features-cards
FULL-STACK VERIFIABLE CREDENTIAL INFRASTRUCTURE
Platform Capabilities We Engineer
We architect and implement the complete technical foundation for your credential ecosystem, from core issuance to secure verification, ensuring interoperability, compliance, and seamless user experiences.
benefits
DELIVERABLES
Business Outcomes for Your Product
Our verifiable credential platform engineering delivers tangible infrastructure and measurable results, moving your project from concept to secure, scalable production.
01
Production-Ready Credential Infrastructure
Deploy a fully managed, enterprise-grade platform for issuing, verifying, and managing W3C-compliant Verifiable Credentials (VCs) and Decentralized Identifiers (DIDs). We handle node orchestration, key management, and high-availability clustering.
99.9%
Platform Uptime SLA
< 3 sec
Credential Verification
02
Interoperable Protocol Integration
Seamlessly integrate with existing identity ecosystems. Our engineering ensures compatibility with DIDComm v2 for secure messaging, AnonCreds for selective disclosure, and OIDC4VP/SIOPv2 for bridging Web2 and Web3 authentication flows.
5+
Core Protocols Supported
Zero Lock-in
Vendor Agnostic
03
Zero-Knowledge Proof Capabilities
Implement privacy-preserving verification using zk-SNARKs and zk-STARKs. Enable users to prove claims (e.g., age > 21, accredited status) without revealing underlying data, ensuring GDPR and CCPA compliance by design.
< 100ms
ZK Proof Generation
Selective Disclosure
Built-in Privacy
04
Custom Schema & Issuance Logic
Go beyond standard credentials. We develop custom VC schemas tailored to your use case—from KYC/AML attestations to professional certifications—and build the secure, auditable issuance workflows to support them.
2-4 weeks
Custom Schema Development
Audit-Ready
Code & Processes
05
Cross-Chain Identity Anchoring
Anchor credential status and DID documents to multiple ledgers (Ethereum, Polygon, Solana) for resilience and user choice. We implement EIP-5843 (VC Status) and custom resolvers for verifier trust.
Multi-Chain
Status Registry
Portable Identity
User Sovereignty
06
Compliance & Audit Framework
Engineer with regulatory requirements in mind. We deliver detailed audit trails, GDPR-compliant data handling, revocation mechanisms, and documentation packages ready for SOC 2 or ISO 27001 audits.
Immutable Logs
Full Audit Trail
Compliance-Ready
Architecture
Tailored for Every Stage
Structured Development Tiers
Compare our structured service packages for building a production-ready Verifiable Credential platform, from initial MVP to enterprise-grade deployment.
| Core Deliverables | Starter | Professional | Enterprise |
|---|---|---|---|
Custom VC Schema Design & Implementation | |||
W3C DID Method & Issuer Registry Smart Contracts | |||
On-Chain Credential Status (Revocation) Registry | |||
Gas-Optimized Verifier Smart Contract Library | |||
Zero-Knowledge Proof Integration (e.g., zk-SNARKs) | |||
Multi-Chain Deployment (EVM & Non-EVM) | |||
Full Security Audit by 3rd Party | |||
Post-Deployment Support & Maintenance SLA | 30 days | 6 months | 24/7 with 4h response |
Estimated Delivery Timeline | 6-8 weeks | 10-14 weeks | Custom |
Starting Engagement | $45,000 | $120,000 | Custom Quote |
how-we-deliver
BUILDING TRUST, BY DESIGN
Our Engineering Methodology
We engineer verifiable credential platforms that are secure by default, scalable for millions of users, and interoperable with the broader Web3 ecosystem. Our methodology is built on proven cryptographic primitives and enterprise-grade development practices.
01
Security-First Architecture
Every credential schema and issuance flow is built with zero-trust principles. We implement W3C VC Data Model standards, use battle-tested libraries like did-jwt-vc, and conduct formal audits before mainnet deployment.
100%
Audit Coverage
ZKP-Ready
Privacy Layer
02
Scalable Issuance & Verification
Engineer high-throughput systems capable of issuing 10,000+ VCs per second with sub-200ms verification. We optimize for cost and speed using layer-2 solutions like Polygon ID or zkSync Era.
10k+ TPS
Issuance Capacity
< 200ms
Verify Latency
04
End-to-End Custody Solutions
From user-friendly wallet SDKs for credential storage to secure, non-custodial key management for issuers. We provide the full stack for key lifecycle management and recovery.
Non-Custodial
User Keys
HSM Integration
Issuer Security
Technical & Commercial Insights
Verifiable Credential Platform FAQs
Get clear answers to the most common questions CTOs and product leaders ask when evaluating a verifiable credential platform partner.
We operate on a fixed-scope, fixed-price model for well-defined projects, typically deploying a production-ready VC platform in 4-6 weeks. The process follows our proven 4-phase methodology: 1) Discovery & Architecture (1 week), 2) Core SDK & Smart Contract Development (2-3 weeks), 3) Integration & Testing (1 week), 4) Deployment & Handoff (1 week). For ongoing R&D or complex customizations, we offer dedicated team models.
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