We architect and deploy custom smart contracts that are secure by design and ready for mainnet. Our development process is built on Solidity 0.8+, OpenZeppelin libraries, and rigorous internal audits to mitigate risks before deployment.
LABS
Services
Optimistic Rollup Fraud-Proof Oracle Integration
We architect and implement secure oracle data availability and verification mechanisms specifically for the fraud-proof challenge windows of Optimistic Rollups, ensuring data integrity during disputes.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts, from audit-ready MVPs to complex DeFi protocols.
- Token Systems:
ERC-20,ERC-721,ERC-1155with custom minting, vesting, and governance logic. - DeFi Protocols: Automated Market Makers (AMMs), staking pools, yield aggregators, and lending/borrowing platforms.
- Enterprise Logic: Multi-signature wallets, asset management systems, and cross-chain interoperability modules.
- Full Lifecycle: From specification and development to testing, deployment, and post-launch monitoring.
We deliver audit-ready code in 2-4 weeks for an MVP, significantly reducing your time-to-market and technical debt.
key-features-cards
ENTERPRISE-GRADE ORACLE INFRASTRUCTURE
Core Integration Capabilities
We architect, deploy, and maintain the critical fraud-proof oracle infrastructure that secures your optimistic rollup, ensuring data integrity and enabling trustless withdrawals.
01
Custom Fraud-Proof Oracle Development
We design and implement bespoke fraud-proof oracles tailored to your rollup's state transition logic and dispute resolution game. Our solutions integrate seamlessly with Arbitrum Nitro and Optimism Bedrock architectures.
100%
Test Coverage
Formal Verification
Critical Logic
02
High-Availability Data Feeder & Relayer
Deploy a resilient, multi-cloud system that continuously monitors L1 and L2, submitting state roots and challenge data with sub-second latency. Built for 24/7 uptime with automatic failover.
99.95%
Uptime SLA
< 500ms
Median Latency
03
Security Audit & Formal Verification
Our oracle code undergoes rigorous internal review and external audit by partners like Spearbit or Code4rena. We provide a verifiably correct implementation to mitigate protocol-level risk.
Zero Critical
Audit Findings
CertiK & Hacken
Audit Partners
04
Monitoring, Alerting & Incident Response
Gain full visibility with a custom Grafana dashboard tracking oracle health, submission success rates, and gas costs. Receive instant PagerDuty/Slack alerts for any anomalies.
24/7
SRE Support
< 5 min
Alert Response SLA
05
Multi-Rollup & Cross-Chain Oracle Design
Future-proof architecture that supports bridging assets and messages across multiple rollups (Arbitrum, Optimism, Base) or to other L1s, using a unified fraud-proof framework.
3+
Protocols Supported
Standardized
Interface (EIP-XXXX)
06
Integration & Developer Tooling
We provide comprehensive SDKs, detailed API documentation, and a local testnet environment to streamline your engineering team's integration process, reducing time-to-production.
< 2 weeks
Integration Timeline
TypeScript/Go
SDK Support
benefits
TANGIBLE RESULTS
Business Outcomes for Your Rollup Application
Integrating a production-ready fraud-proof oracle is not just a technical task—it's a strategic investment. We deliver concrete outcomes that accelerate your time-to-market, secure your assets, and build user trust.
01
Accelerated Time-to-Market
Deploy a fully integrated, battle-tested fraud-proof system in under 3 weeks, not months. Our pre-audited oracle modules and proven integration patterns eliminate the R&D phase, allowing your team to focus on core application logic.
< 3 weeks
Integration Time
0
Security Audits Required
02
Provably Secure Asset Protection
Mitigate the risk of invalid state transitions with a system built on formal verification principles. Our integration leverages OpenZeppelin's Defender for secure relay operations and follows Trail of Bits security patterns, ensuring your bridge and user funds are protected.
100%
Challenge Success Rate
24/7
Monitoring & Response
03
Enhanced Developer Experience
Provide your engineering team with a clean, well-documented API and comprehensive SDK. Reduce cognitive load with clear abstraction layers for fraud proof submission, verification, and dispute resolution, cutting internal support tickets by over 60%.
60%
Reduced Support Load
< 1 day
Onboarding Time
04
Predictable Operational Cost
Move from variable, unpredictable R&D and security audit expenses to a fixed-fee, SLA-backed service. Our model includes infrastructure, monitoring, and updates, providing full cost transparency and eliminating budget overruns.
Fixed Fee
Pricing Model
99.9%
Uptime SLA
05
Regulatory & Compliance Readiness
Build with institutional-grade audit trails and verifiable correctness from day one. Our system generates immutable logs for every state claim and challenge, providing the transparency required for financial compliance and enterprise adoption.
Immutable
Audit Trail
Real-time
Compliance Reporting
06
Scalable Infrastructure Foundation
Support transaction volumes from thousands to millions per day without re-architecting. Our horizontally scalable oracle nodes and automated load balancing ensure sub-second proof verification latency as your rollup grows.
Sub-second
Verification Latency
Millions/day
Transaction Capacity
Infrastructure Decision Analysis
Build vs. Buy: Oracle Integration for Optimistic Rollups
A detailed comparison of the time, cost, and risk involved in developing a custom fraud-proof oracle system versus leveraging Chainscore's managed service.
| Factor | Build In-House | Chainscore Managed Service |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $250K - $500K+ | $50K - $150K |
Security Audit Requirement | Mandatory (External) | Included (Pre-Audited) |
Ongoing Maintenance & Updates | 2-3 FTEs | Fully Managed |
Dispute Resolution SLA | Self-Monitored | 99.9% Uptime Guarantee |
Integration Complexity | High (Custom RPC, Indexers) | Low (API & SDK) |
Multi-Chain Support | Custom Per Chain | Built-in (Arbitrum, Optimism, Base) |
Total Cost of Ownership (Year 1) | $500K - $800K+ | $75K - $200K |
how-we-deliver
PREDICTABLE DELIVERY
Our Delivery Process: From Architecture to Audit
A transparent, phased approach designed for technical founders and CTOs. We deliver production-ready, secure integrations with clear milestones and guaranteed outcomes.
01
Architecture & Design Review
We analyze your current optimistic rollup stack and design a custom fraud-proof oracle integration. Deliverables include a technical specification, system architecture diagrams, and a detailed integration roadmap.
1-2 weeks
Design Phase
3+ options
Architecture Reviewed
02
Smart Contract Development
Build and optimize the core on-chain components: the verification contract for fraud proofs and the oracle adapter for secure data ingestion. All code follows OpenZeppelin standards and is gas-optimized.
Solidity 0.8+
Language
Gas Reports
Deliverable
03
Off-Chain Prover & Watcher Service
Deploy a resilient, high-availability service that monitors the rollup, generates fraud proofs, and submits them to the L1 verification contract. Built for 99.9% uptime with automatic failover.
99.9%
Uptime SLA
< 5 sec
Proof Generation
04
Security Audit & Penetration Testing
Every integration undergoes a rigorous security review. We conduct internal audits and facilitate third-party audits with firms like Trail of Bits or ConsenSys Diligence before mainnet deployment.
2+ Audits
Minimum
Critical Issues
Zero Tolerance
05
Staging Deployment & Testing
Full deployment to a testnet or staging environment matching your production specs. We execute comprehensive integration tests, load tests, and a simulated fraud challenge to validate the entire system.
Testnet Fork
Environment
100% Coverage
Integration Tests
06
Production Launch & Monitoring
We manage the mainnet deployment and provide 24/7 monitoring dashboards for proof submissions, challenge status, and system health. Includes documentation and knowledge transfer for your team.
24/7
Monitoring
SLA Reports
Weekly
security-approach
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect and deploy custom smart contracts that power your core business logic—from fungible tokens (ERC-20, ERC-20P) and NFTs (ERC-721, ERC-1155) to complex DeFi protocols and DAO governance systems. Our contracts are built for mainnet deployment from day one.
We don't just write code; we engineer systems that are secure, gas-optimized, and upgradeable, ensuring your application's foundation is robust and future-proof.
- Security-First Development: Built with
Solidity 0.8+andOpenZeppelinlibraries, followed by rigorous internal audits and formal verification practices. - Full Lifecycle Support: From initial architecture and development through to deployment, monitoring, and post-launch maintenance.
- Compliance & Standards: Implementation of token standards (
ERC-3643for RWA), tax hooks, and regulatory-ready features for global markets.
Optimistic Rollup Fraud-Proof Oracle Integration
Frequently Asked Questions
Get clear, technical answers to common questions about integrating secure, high-performance fraud-proof oracles for your Optimistic Rollup.
A standard integration project takes 4-8 weeks from kickoff to mainnet deployment. This includes architecture design, smart contract development, off-chain prover/verifier implementation, security audit, and final deployment. Complexities like custom dispute logic or multi-chain support can extend this timeline, which we scope and quote for upfront.
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