We architect and deploy custom Solidity smart contracts that are secure by design. Every contract undergoes rigorous audits, including automated testing with Hardhat and manual review against common vulnerabilities.
LABS
Services
Privacy-Preserving Transaction Sandbox (ZK-Based)
A secure, isolated environment for Web3 startups to develop and test applications that use zero-knowledge proofs. Validate regulatory compliance while preserving end-user transaction privacy before mainnet deployment.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by expert Solidity developers.
- Custom Logic: Tailored
ERC-20,ERC-721, andERC-1155implementations. - Security First: Built with
OpenZeppelinlibraries and formal verification patterns. - Gas Optimization: Code reviewed for maximum efficiency, reducing user transaction costs.
- Full Audit Trail: Comprehensive documentation and test coverage exceeding 95%.
Deploy battle-tested contracts in 2-4 weeks, not months. We ensure your core business logic is immutable and secure from day one.
key-features-cards
PRODUCTION-READY INFRASTRUCTURE
Core Capabilities of Our ZK Sandbox
Deploy a secure, isolated environment for testing and validating privacy-preserving transactions with enterprise-grade reliability and developer-first tooling.
01
Isolated Test Environment
Spin up a dedicated, sandboxed network in minutes to test ZK circuits and private transactions without risking mainnet assets or exposing sensitive logic.
< 5 min
Environment Spin-up
Zero Cost
Testnet Gas
02
Pre-Built ZK Circuit Templates
Accelerate development with our library of audited, production-tested ZK circuits for common use cases like private transfers, identity proofs, and confidential voting.
15+
Circuit Templates
Circom & Noir
Supported Frameworks
03
Real-Time Proof Generation & Verification
Integrate with our high-performance proving service for fast, reliable ZK-SNARK/STARK proof generation and on-chain verification with sub-second latency.
< 1 sec
Proof Generation
99.9%
Service Uptime SLA
04
Comprehensive Privacy Analytics Dashboard
Monitor sandbox activity, track proof performance, and audit transaction flows with detailed logs and metrics—all without compromising data privacy.
Real-Time
Metrics & Logs
Fully Auditable
Activity Trails
05
Seamless Mainnet Deployment Pipeline
Confidently promote your tested ZK applications to production with our automated deployment pipeline, including final security checks and gas optimization reports.
1-Click
Production Push
< 2 weeks
Avg. Time-to-Mainnet
06
Enterprise Security & Compliance Guardrails
Build with confidence using sandboxes that enforce security best practices, including role-based access control, audit trails, and compliance-ready data handling.
SOC 2 Type II
Compliance
RBAC
Access Control
benefits
THE CHAINSCORE ADVANTAGE
Why Build with a Specialized Sandbox
Generic sandboxes expose your sensitive logic. Our purpose-built ZK sandbox delivers production-ready privacy, security, and performance from day one.
03
Rapid Integration & Deployment
Leverage our pre-built modules for private swaps, shielded NFTs, and confidential voting. Go from concept to a fully functional, audited testnet in under 3 weeks, accelerating your time-to-market.
< 3 weeks
To Testnet
Pre-Built Modules
Accelerators
04
Cost-Optimized Gas & Operations
Our specialized architecture minimizes on-chain proof verification costs. We provide detailed gas analytics and optimization strategies, ensuring your privacy features remain economically viable at scale.
Gas Optimization
Focus
Cost Analytics
Included
Choose Your Integration Tier
Structured Development Paths
Compare our structured service tiers for implementing a ZK-based Privacy-Preserving Transaction Sandbox, designed to match your project's scale, security requirements, and operational needs.
| Feature / Specification | Proof-of-Concept | Production-Ready | Enterprise Scale |
|---|---|---|---|
ZK Circuit Complexity | Basic (1-3 constraints) | Standard (Custom logic) | Advanced (Optimized, multi-op) |
Smart Contract Audit Scope | Light Review | Full Audit + Report | Full Audit + Formal Verification |
Deployment Support | Self-serve guides | Hands-on deployment | White-glove multi-chain deployment |
Sandbox Environments | Single testnet | Testnet + Staging | Multi-region, isolated staging |
Transaction Throughput (TPS) | Up to 100 | 1,000+ | 10,000+ |
Uptime & Monitoring SLA | 99.5% | 99.9% with 24/7 SRE | |
Incident Response Time | Best effort | < 12 hours | < 1 hour (P1) |
Dedicated Technical Support | Slack channel | Dedicated engineer | |
Custom Integration Support | Up to 20 hours | Unlimited scoped support | |
Typical Timeline | 2-4 weeks | 6-10 weeks | 12+ weeks (custom) |
Starting Engagement | $15K | $75K | Custom Quote |
how-we-deliver
PROVEN FRAMEWORK
Our Delivery Methodology
A structured, four-phase approach to deliver a production-ready, privacy-preserving transaction environment. We focus on rapid deployment, rigorous security, and seamless integration to accelerate your time-to-market.
01
Architecture & Design Sprint
We conduct a collaborative 1-week sprint to define your privacy requirements, map data flows, and architect the optimal ZK-circuit design (e.g., using Circom or Noir). This phase establishes the technical blueprint and project milestones.
1 week
Sprint Duration
Zero-Knowledge
Circuit Design
02
Secure Development & Circuit Implementation
Our engineers build the core privacy-preserving logic using industry-standard ZK frameworks. We implement custom circuits, smart contract verifiers (Solidity/Vyper), and the sandbox's API layer with embedded security patterns from day one.
Circom/Noir
ZK Framework
OpenZeppelin
Security Base
03
Comprehensive Audit & Testing
Every component undergoes rigorous testing, including formal verification of ZK circuits, penetration testing of the sandbox API, and gas optimization audits for on-chain verifiers. We deliver a detailed security report.
Formal Verification
Circuit Audit
Pen Test
API Security
04
Deployment & Integration Support
We handle the full deployment of your sandbox environment (cloud or on-premise) and provide integration support for your front-end and back-end systems. Includes documentation, developer training, and a 30-day launch support window.
< 2 weeks
Deployment Time
30 days
Launch Support
security
FOUNDATION
Custom Blockchain Development
Build secure, scalable, and purpose-built blockchain networks tailored to your specific business logic.
We architect and deploy custom blockchain solutions that move beyond generic frameworks. Our development focuses on core protocol design, consensus mechanisms, and network architecture to create a foundation optimized for your exact use case—whether it's a private consortium chain, a high-throughput DeFi L2, or a specialized NFT ecosystem.
Deliver a production-ready mainnet in 8-12 weeks, not quarters, with a clear roadmap from genesis to governance.
- Protocol-Level Customization: Modify
EVM-compatible chains or build from scratch withCosmos SDK/Substratefor ultimate control. - Proven Security: All core logic undergoes formal verification and audits by leading firms before deployment.
- Built to Scale: Design for 10,000+ TPS and sub-second finality from day one, with a clear node operator strategy.
Privacy-Preserving Transaction Sandbox
Frequently Asked Questions
Get clear answers on how our ZK-based sandbox accelerates your development while ensuring data confidentiality.
We deliver a fully configured, isolated sandbox environment in 2-3 weeks for standard implementations. Complex integrations with custom ZK circuits or specific L2 rollups may extend to 4-5 weeks. This includes environment provisioning, initial smart contract deployment, and developer onboarding.
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