We architect and deploy custom smart contracts for DeFi, NFTs, and enterprise applications. Our development process ensures security-first design, gas optimization, and comprehensive audit readiness.
LABS
Services
Privacy-Preserving Audit Trail Systems
We design and deploy private blockchain systems that provide cryptographically immutable, time-stamped logs for regulators, while keeping sensitive transaction data confidential. Achieve compliance without exposing business logic.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Protocol Development: Custom
ERC-20,ERC-721, andERC-1155tokens, DEXs, lending/borrowing pools, and governance systems. - Security & Auditing: Built with OpenZeppelin standards and subjected to internal review cycles before third-party audits.
- Deployment & Management: Full lifecycle support from testnet deployment on
SepoliaorGoerlito mainnet launch and upgrade management via Transparent Proxies.
Deliver a secure, auditable, and maintainable codebase in 2-4 weeks, accelerating your time-to-market while mitigating critical risks.
key-features-cards
ENTERPRISE-GRADE PRIVACY INFRASTRUCTURE
Core Technical Capabilities We Deliver
We architect and deploy production-ready, privacy-preserving audit trails that meet the stringent security and compliance requirements of financial institutions and regulated Web3 applications.
benefits
GUARANTEED COMPLIANCE & OPERATIONAL EFFICIENCY
Business Outcomes for Regulated Industries
Our privacy-preserving audit trail systems deliver verifiable compliance and measurable efficiency gains for financial services, healthcare, and government sectors.
01
Immutable Proof of Compliance
Generate cryptographically verifiable, tamper-proof logs for regulators. Automate reporting for FINRA, MiFID II, HIPAA, and GDPR requirements, reducing manual audit preparation by 80%.
80%
Faster Audit Prep
100%
Data Integrity
02
Real-Time Transaction Monitoring
Monitor AML/KYC events and suspicious patterns in real-time with zero-knowledge proofs. Maintain privacy while providing regulators with selective, on-demand access to verified transaction data.
< 100ms
Alert Latency
24/7
Surveillance
03
Secure Multi-Party Data Sharing
Enable confidential data collaboration between institutions, auditors, and regulators using secure multi-party computation (MPC). Share insights without exposing raw, sensitive customer data.
Zero-Trust
Architecture
E2E Encrypted
All Channels
04
Automated Smart Contract Governance
Enforce regulatory and internal policy rules directly on-chain with programmable compliance modules. Automate sanctions screening, transaction limits, and whitelist management.
99.9%
Policy Uptime SLA
Sub-second
Rule Execution
05
Forensic Audit & Dispute Resolution
Reconstruct any transaction or data access event with full cryptographic provenance. Provide indisputable evidence for internal investigations and legal disputes.
Full History
Data Provenance
Court-Admissible
Evidence
06
Scalable Infrastructure for Enterprises
Deploy on your private cloud, AWS, or Azure with enterprise-grade SLAs. Our systems handle millions of events daily with guaranteed availability and dedicated support.
99.95%
Uptime SLA
< 4 weeks
Deployment Time
Tailored to Your Scale and Security Needs
Structured Development Paths
Compare our three service tiers for implementing a privacy-preserving audit trail, from foundational setup to fully managed enterprise-grade systems.
| Feature | Starter | Professional | Enterprise |
|---|---|---|---|
Zero-Knowledge Proof Integration (ZK-SNARKs/STARKs) | |||
Multi-Chain Support (EVM & Non-EVM) | |||
Custom Compliance Rule Engine | |||
On-Chain Data Availability Layer | |||
Real-Time Anomaly Detection & Alerts | |||
Dedicated Security & Penetration Testing | |||
Implementation Timeline | 6-8 weeks | 8-12 weeks | 12-16 weeks |
Post-Deployment Support SLA | Business Hours | 24/7 with 12h response | 24/7 with 1h response & On-call Engineer |
Annual Infrastructure & Support Cost | From $50K | From $150K | Custom Quote |
how-we-deliver
A PROVEN FRAMEWORK
Our Development & Delivery Process
From initial design to production deployment, our structured methodology ensures your privacy-preserving audit trail is delivered on time, on budget, and built to enterprise-grade security standards.
01
Architecture & Design Sprint
We conduct a 1-week collaborative sprint to define your data schema, privacy requirements (e.g., ZK-SNARKs vs. MPC), and blockchain architecture (e.g., Polygon zkEVM, Arbitrum). This phase establishes a clear technical blueprint and project roadmap.
1 Week
Sprint Duration
100%
Blueprint Clarity
02
Core Protocol Development
Our engineers build the core cryptographic primitives and smart contracts for your audit trail. This includes zero-knowledge proof circuits (using Circom or Halo2), data commitment logic, and access control mechanisms, all following OpenZeppelin security patterns.
Solidity 0.8+
Contract Standard
OpenZeppelin
Security Foundation
03
Integration & API Layer
We develop the off-chain indexers, REST/GraphQL APIs, and webhooks that allow your existing systems to seamlessly write to and query the immutable audit log. Includes SDKs for easy frontend and backend integration.
REST/GraphQL
API Types
< 100ms
Query Latency
05
Staging Deployment & Testing
We deploy the complete system to a staging environment that mirrors production. This phase includes load testing, user acceptance testing (UAT) with your team, and final configuration of monitoring and alerting via Datadog or Grafana.
1000+ TPS
Load Test Target
99.9% SLA
Uptime Validation
06
Production Launch & Handoff
We manage the mainnet deployment, configure final environment variables, and provide comprehensive documentation and operational runbooks. Includes 30 days of post-launch support and monitoring to ensure a smooth transition to your team.
2 Weeks
Avg. Deployment
30 Days
Post-Launch Support
Privacy-Preserving Audit Trail Systems
Frequently Asked Questions
Get clear answers on how we build secure, compliant, and verifiable audit systems for your blockchain applications.
A privacy-preserving audit trail is a tamper-proof, chronological record of transactions or events where sensitive data is cryptographically protected, yet the integrity and sequence of the record remain publicly verifiable. You need one to meet regulatory compliance (like GDPR, MiCA, or financial reporting) for on-chain activities without exposing user PII or confidential business logic. Our systems enable selective disclosure, allowing authorized auditors to verify specific claims without seeing the entire dataset.
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