We architect, develop, and audit custom Solidity/Rust smart contracts that form the immutable core of your protocol. Our focus is on security, gas efficiency, and upgradability from day one.
LABS
Services
Compliance-First Verifiable Credential Engine
A secure, auditable engine for issuing verifiable credentials with programmable regulatory logic. Designed for financial institutions to meet KYC, travel rule, and AML requirements on-chain.
Chainscore © 2026
overview
SECURE FOUNDATIONS
Smart Contract Development
Production-ready smart contracts built with security-first engineering and battle-tested patterns.
- Security by Design: Built with
OpenZeppelinlibraries and audited patterns, followed by third-party audits from leading firms. - Gas-Optimized Logic: Every function is profiled to minimize transaction costs, critical for user adoption.
- Upgradeable Architecture: Implement
Proxypatterns (UUPS/Transparent) for seamless, secure future upgrades without migration.
Deliver a secure, audited, and deployable contract suite in as little as 4 weeks, from initial spec to testnet deployment.
key-features-cards
ENTERPRISE-GRADE FOUNDATION
Core Engine Capabilities for Regulated Use Cases
Our verifiable credential engine is purpose-built for financial institutions, healthcare providers, and identity platforms requiring regulatory compliance, data sovereignty, and institutional-grade security.
02
Decentralized Identifier (DID) Management
Full lifecycle management for DIDs using did:web, did:key, and did:ethr methods. We provide secure key storage, rotation, and resolution services with private key material never leaving your controlled HSM or cloud KMS.
HSM/KMS
Key Security
3 Methods
DID Support
03
Regulatory Proof Schemas
Pre-built, legally-vetted credential schemas for common regulated workflows: Travel Rule (FATF 16), MiCA compliance proofs, accredited investor verification, and HIPAA-compliant health data attestations.
FATF 16
Travel Rule
MiCA
EU Compliance
04
Cross-Border Interoperability
Engineered for global compliance with support for eIDAS 2.0 (EU), OSFI guidelines (Canada), and MAS standards (Singapore). Our credential formats ensure validity across jurisdictional boundaries without re-issuance.
eIDAS 2.0
EU Standard
3+ Regions
Jurisdiction Support
05
Audit Trail & Non-Repudiation
Immutable, timestamped logs of all credential lifecycle events anchored to Ethereum or Polygon. Provides legally-admissible proof of issuance, presentation, and revocation for regulatory audits and dispute resolution.
Immutable
Event Logs
Ethereum
Audit Anchor
06
High-Availability Deployment
Deployable within your VPC or compliant cloud (AWS GovCloud, Azure Government) with 99.95% uptime SLA. Includes automated failover, geographic redundancy, and SOC 2 Type II compliant operational procedures.
99.95%
Uptime SLA
SOC 2
Compliance
benefits
DELIVERABLES
Business Outcomes for Financial Institutions
Our compliance-focused verifiable credential engine delivers measurable results, from operational efficiency to regulatory readiness. Here’s what you can expect.
01
Automated KYC/AML Onboarding
Reduce customer onboarding time from days to minutes with reusable, privacy-preserving credentials. Eliminate repetitive manual checks and lower compliance overhead by over 60%.
> 60%
Lower Compliance Cost
< 5 min
Avg. Onboarding Time
02
Real-Time Transaction Monitoring
Continuously verify credential validity and risk status for every transaction. Achieve sub-second fraud detection and maintain an immutable, auditable compliance trail.
< 1 sec
Verification Latency
100%
Audit Trail Coverage
03
Regulatory Audit & Reporting
Generate comprehensive, tamper-proof reports for regulators (FATF, FINMA, MAS) on-demand. Slash audit preparation time with automated proof generation.
90%
Faster Audit Prep
W3C
Standard Compliance
04
Cross-Border Compliance Interoperability
Securely share verified customer data with correspondent banks and VASPs using standardized schemas (e.g., Travel Rule). Eliminate manual data reconciliation.
IVMS 101
Protocol Support
Zero-Trust
Data Sharing Model
05
Reduced Operational Risk & Fines
Minimize exposure to regulatory penalties and reputational damage with provable, always-on compliance. Our engine is built on audited, open-source cryptographic libraries.
SOC 2
Security Framework
Provable
Compliance Proofs
06
Future-Proof Architecture
Deploy a modular system that adapts to evolving global regulations (MiCA, DORA) without costly re-engineering. Our credential schemas are extensible and governance-ready.
< 2 weeks
Schema Update Time
Modular
Deployment Model
Cost & Capability Analysis
Build vs. Buy: Implementing a Compliant VC System
A detailed comparison of the time, cost, and risk involved in developing a W3C-compliant Verifiable Credential system in-house versus partnering with Chainscore Labs.
| Factor | Build In-House | Partner with Chainscore |
|---|---|---|
Initial Development Time | 6-12 months | 4-8 weeks |
W3C Compliance & Interop | High Risk (Custom Implementation) | Guaranteed (Pre-built Engine) |
Security Audit Requirement | $50K-$100K + 8-12 weeks | Included (Pre-audited Core) |
Ongoing Maintenance & Updates | 1-2 Full-Time Engineers | Fully Managed Service |
Total First-Year Cost | $250K - $600K+ | $75K - $200K |
Time to First Production Credential | 9+ months | < 30 days |
Regulatory Framework Support (e.g., eIDAS, GDPR) | Custom Development Required | Pre-configured Templates |
Support & Incident Response | Internal Team Only | 24/7 SLA with < 1hr P1 Response |
how-we-deliver
A PROVEN FRAMEWORK
Our Delivery Process: From Design to Audit Trail
We deliver enterprise-ready verifiable credential systems through a structured, security-first methodology. Our process ensures regulatory compliance, technical robustness, and seamless integration from day one.
01
1. Architecture & Compliance Design
We map your business logic to W3C VC standards and jurisdictional regulations (e.g., eIDAS, GDPR). This phase defines the credential schema, issuance flow, and privacy-preserving verification model.
W3C Compliant
Standard
2-4 weeks
Design Phase
02
2. Core Engine Development
Build the issuance and verification engine using battle-tested libraries (e.g., did-jwt-vc, vc-js). We implement selective disclosure, revocation registries, and secure key management for issuers and holders.
Zero-Knowledge
Proof Support
Open Standards
Foundation
03
3. Integration & API Deployment
Deploy REST/GraphQL APIs for credential issuance and verification. We provide SDKs for your frontend and integrate with your existing identity stack (OIDC, SIOPv2) or custodial wallets.
< 100ms
API Latency
99.9% SLA
Uptime
04
4. Security Audit & Penetration Testing
Every component undergoes rigorous review. Our smart contracts are audited, and the full stack is tested for OWASP Top 10 vulnerabilities, cryptographic flaws, and privacy leaks before launch.
Third-Party
Audits
Zero Critical
Findings Goal
05
5. Production Launch & Monitoring
We manage the production deployment with automated monitoring for credential lifecycle events, anomaly detection in verification attempts, and full audit logging for compliance reporting.
24/7
Monitoring
Immutable Logs
Audit Trail
06
6. Ongoing Support & Evolution
Receive continuous updates for new W3C standards, regulatory changes, and scalability improvements. We offer SLAs for incident response and feature development.
SLA Backed
Support
Protocol Updates
Included
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts for your protocol or application.
We architect and deploy custom smart contracts that form the secure, immutable backbone of your Web3 product. Our development process is built on audited code patterns and gas-optimized Solidity to ensure reliability and cost-efficiency from day one.
Deploy with confidence using battle-tested security frameworks and comprehensive testing suites.
Our development lifecycle delivers:
- End-to-end ownership from architecture and
Solidity/Vyperdevelopment to deployment and verification. - Security-first approach using
OpenZeppelinlibraries and formal verification tools likeSlitherandMythX. - Gas optimization audits to minimize transaction costs for your users.
- Upgradeability patterns (
TransparentProxy,UUPS) for future-proof, maintainable contracts.
We specialize in token standards (ERC-20, ERC-721, ERC-1155), DeFi primitives (AMMs, lending/borrowing, staking), and custom logic for NFTs, DAOs, and enterprise applications. Each contract undergoes rigorous unit and integration testing before mainnet deployment.
Compliance-Focused Verifiable Credential Engine
Frequently Asked Questions
Get clear answers on how our enterprise-grade credentialing platform integrates with your compliance workflows, from technical implementation to long-term support.
A standard deployment for a compliance-focused VC Engine, including integration with your KYC/AML provider and a pilot issuance flow, takes 3-5 weeks. This includes a 1-week discovery and design phase, 2-3 weeks of core development and testing, and a final week for deployment and team training. Complex multi-jurisdictional setups with custom revocation logic may extend to 8 weeks. We provide a detailed project plan with weekly milestones from day one.
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