We architect and deploy production-grade smart contracts that form the immutable backbone of your Web3 application. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and comprehensive audit workflows to mitigate risk before deployment.
LABS
Services
ZK-Rollup Oracle Data Integrity
Implement zero-knowledge proof systems to cryptographically verify the integrity and correctness of oracle data before it triggers state changes on your Layer 2, eliminating the risk of corrupted finalization.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, gas-optimized smart contracts built to your exact specifications.
- Custom Logic: Tailored
Solidity 0.8+/Vypercontracts for DeFi, NFTs, DAOs, and enterprise use cases. - Gas Optimization: Every line of code is reviewed to minimize transaction costs for your end-users.
- Full Audit Trail: Development includes unit testing, integration testing, and preparation for third-party audits.
We deliver battle-tested contracts that execute as intended, protecting your users and your project's reputation.
key-features-cards
ARCHITECTURE
Core Components of Our ZK Oracle Integrity System
A modular, battle-tested framework that ensures your ZK-rollup's off-chain data is as secure and verifiable as its on-chain state. We deliver the cryptographic guarantees your application needs.
01
Zero-Knowledge Proof Generation Engine
High-performance prover system for generating succinct proofs of correct data attestation. Built with Plonk and Halo2 for optimal proving times and minimal on-chain verification costs.
< 5 sec
Avg. Proof Gen
~45k gas
On-Chain Verify
02
Multi-Source Data Attestation Layer
Aggregates and cryptographically attests data from multiple high-availability oracles (Chainlink, Pyth, API3) before proof generation, eliminating single points of failure.
3+ Sources
Per Data Point
99.99%
Source Uptime SLA
03
On-Chain Verifier Smart Contracts
Gas-optimized Solidity verifiers deployed on your L1. Accepts proofs and attested data, enabling trustless validation of off-chain state for your rollup's bridge or sequencer.
OpenZeppelin
Security Audit
EVM + L2s
Compatibility
04
Real-Time Data Integrity Monitor
Proactive monitoring dashboard that tracks proof generation latency, source health, and verification success rates, alerting your team to anomalies before they impact users.
< 100ms
Alert Latency
24/7
SRE Coverage
benefits
TANGIBLE ROI
Business Outcomes: Beyond Technical Security
ZK-Rollup Oracle Data Integrity isn't just a security feature—it's a business enabler. Our service delivers measurable operational and financial advantages that directly impact your bottom line and market position.
01
Reduced Operational Costs
Eliminate the need for expensive, redundant data verification layers and manual reconciliation. Our integrity proofs automate trust, cutting data validation overhead by up to 70%.
Key Benefit: Lower total cost of ownership for your oracle infrastructure.
Up to 70%
Lower Validation Overhead
24/7
Automated Operation
02
Accelerated Time-to-Market
Deploy a production-ready, integrity-guaranteed oracle feed in weeks, not months. We provide a complete, audited solution with integration support for major L2s like zkSync, Starknet, and Polygon zkEVM.
Key Benefit: Launch new products faster and capture market opportunities.
< 4 weeks
To Production
5+
L2s Supported
03
Enhanced Protocol Credibility
Provide mathematically verifiable proof of data integrity to users, auditors, and partners. This builds unparalleled trust, reduces perceived risk, and can lower insurance premiums for your protocol.
Key Benefit: Strengthen your brand as a secure, transparent leader in DeFi.
100%
Verifiable Proof
Zero-Knowledge
Audit Trail
05
Regulatory & Compliance Readiness
ZK proofs create an immutable, auditable record of data provenance and integrity. This demonstrable compliance framework is critical for institutional adoption and navigating evolving financial regulations.
Key Benefit: Future-proof your protocol for institutional partners.
Immutable
Audit Trail
Data Provenance
Full Traceability
Architectural Comparison
ZK-Verified Oracles vs. Traditional Oracle Reliance
A technical breakdown of how ZK-verified oracles fundamentally improve data integrity and security for rollups compared to conventional oracle models.
| Architecture & Security | Traditional Oracle Reliance | ZK-Verified Oracle (Chainscore) |
|---|---|---|
Data Integrity Proof | ||
On-Chain Verification | Trusted relay signatures | Zero-knowledge validity proofs |
Attack Surface | High (trusted relayers, multisig signers) | Minimal (cryptographic proof verification only) |
Data Latency | 3-12 seconds (block confirmation) | < 1 second (proof generation) |
Cross-Chain Data Feeds | Complex bridge dependencies | Native cryptographic attestation |
Implementation Timeline | 4-6 months (integration + security review) | 2-4 weeks (SDK integration) |
Annual Operational Cost | $100K-$300K+ (relayer ops, security audits) | $50K-$150K (prover service SLA) |
Settlement Finality Guarantee | Probabilistic (social consensus) | Cryptographically guaranteed |
how-we-deliver
PROVEN METHODOLOGY
Our Delivery Process: From Architecture to Mainnet
A structured, transparent approach to delivering production-ready ZK-Rollup oracle solutions. We de-risk your integration with clear milestones, security-first development, and guaranteed performance.
01
Architecture & Threat Modeling
We design a custom ZK-Rollup oracle architecture for your use case, mapping data flows and defining security boundaries. This includes threat modeling to identify and mitigate risks in data sourcing, proof generation, and state updates before a single line of code is written.
1-2 weeks
Design Phase
100%
Security Review
02
Circuit Development & Optimization
Our team implements and optimizes the zero-knowledge circuits that prove data integrity. We focus on minimizing proof generation time and verification gas costs using frameworks like Circom or Halo2, ensuring your solution is both secure and cost-effective.
< 5 sec
Avg. Proof Gen
~200k gas
Verification Cost
03
Smart Contract & Prover Suite
We deploy the on-chain verifier contracts and the off-chain prover service. Contracts are built with Solidity 0.8+ and OpenZeppelin libraries, then undergo rigorous internal and external audits. The prover suite is engineered for high availability and scalability.
2 Audits
Minimum
99.9% SLA
Prover Uptime
04
Testnet Deployment & Stress Testing
Full deployment to a testnet (e.g., Sepolia, Holesky) for integration testing. We conduct load and adversarial testing, simulating mainnet conditions and malicious data feeds to validate system resilience and data integrity guarantees under stress.
10k+ TPS
Load Tested
100%
Integrity Pass
05
Mainnet Launch & Monitoring
Managed mainnet deployment with phased rollouts. We provide 24/7 monitoring dashboards for proof success rates, latency, and contract health, along with automated alerting for any anomalies in the data integrity pipeline.
< 1 day
Zero-Downtime Cutover
24/7
Active Monitoring
06
Ongoing Support & Upgrades
Post-launch, we offer ongoing maintenance, performance tuning, and upgrade paths for new ZK-proof systems or data sources. Our team ensures your oracle infrastructure evolves with the ecosystem and your business needs.
< 4 hrs
Critical Response
Quarterly
Security Reviews
security-approach
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
- Custom Logic:
Solidity/Rustdevelopment for DeFi, NFTs, DAOs, and enterprise use cases. - Security Framework: Built with OpenZeppelin standards and formal verification patterns.
- Deployment & Management: Full lifecycle support from testnet to mainnet with CI/CD pipelines.
Reduce your time-to-market by weeks with battle-tested contract templates and a proven deployment workflow.
We deliver production-grade code that is:
- Audit-ready: Structured for seamless review by firms like CertiK or Trail of Bits.
- Upgradeable: Designed with proxy patterns (UUPS/Transparent) for future improvements.
- Gas-efficient: Optimized for lower transaction costs and better user experience.
Technical Deep Dive
Frequently Asked Questions on ZK Oracle Integrity
Get clear, expert answers to the most common questions CTOs and architects have about securing oracle data with zero-knowledge proofs.
Our service integrates a ZK-verifier layer between your oracle provider (e.g., Chainlink, Pyth) and your rollup's smart contracts. We generate succinct zero-knowledge proofs that cryptographically attest to the integrity and correct processing of incoming data feeds. This proof is verified on-chain before the data is consumed, guaranteeing it hasn't been tampered with and was delivered according to the agreed-upon SLA. Think of it as a cryptographic notary for every data point.
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