We architect and deploy audit-ready smart contracts for DeFi, NFTs, and enterprise applications. Our team specializes in Solidity and Rust, implementing OpenZeppelin standards and gas-optimized patterns from day one.
LABS
Services
Optimistic Rollup Fraud Detection API
A real-time API service that monitors and challenges fraudulent transactions on optimistic rollup payment systems, securing merchant funds during the critical dispute window.
Chainscore © 2026
overview
CORE SERVICE
Custom Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Full Lifecycle Support: From initial design and development to deployment, verification, and monitoring.
- Security-First Approach: Rigorous internal review and integration with top-tier audit firms.
- Proven Track Record: Contracts securing $500M+ in TVL and processing 10M+ transactions.
Reduce your time-to-market with a dedicated team that delivers production-ready code in 2-4 weeks.
key-features-cards
ENTERPRISE-GRADE SECURITY
Core Capabilities of Our Fraud Detection API
Our API delivers automated, real-time fraud proof generation and validation, designed to secure your optimistic rollup and protect user funds. Built for production by engineers who understand the stakes.
benefits
TANGIBLE RESULTS
Business Outcomes for Your Payment Platform
Integrating our Optimistic Rollup Fraud Detection API delivers measurable improvements to your platform's security, efficiency, and bottom line.
01
Eliminate Costly Fraud
Automatically detect and challenge invalid transactions before final settlement, preventing irreversible losses from double-spends or invalid state transitions.
100%
Invalid Tx Detection
$0
Fraud Losses
02
Slash Operational Costs
Replace manual monitoring and expensive watchtower services with a fully automated, API-driven fraud proof system. Reduce your security overhead by over 80%.
>80%
Cost Reduction
24/7
Automated Coverage
03
Accelerate Time-to-Market
Deploy a production-ready fraud detection layer in days, not months. Our battle-tested API integrates directly with your existing sequencer or validator client.
< 7 days
Integration Time
1 API
Simple Integration
04
Guarantee Settlement Finality
Provide your users with the confidence of mathematically-proven transaction finality. Our system ensures the canonical chain is always correct and secure.
100%
Finality Guarantee
7-day
Challenge Window
05
Scale with Your Network
Our architecture handles increasing transaction volume without performance degradation, ensuring sub-second fraud proof generation even during peak loads.
< 1 sec
Proof Generation
Unlimited
Horizontal Scale
06
Maintain Developer Velocity
Focus your engineering resources on core product features, not security infrastructure. We manage the complexity of fraud proof logic and state verification.
0
DevOps Overhead
Full SDK
Developer Tools
Infrastructure Decision Matrix
Build vs. Buy: Fraud Detection for Optimistic Rollups
A detailed comparison of the time, cost, and risk involved in developing fraud detection in-house versus using Chainscore's managed API service.
| Factor | Build In-House | Chainscore API |
|---|---|---|
Time to Initial Deployment | 6-12 months | 2-4 weeks |
Upfront Development Cost | $250K - $500K+ | $0 |
Security Audit Requirement | Mandatory (High Risk) | Pre-audited & Battle-Tested |
Expertise Required | Specialized L2 Security Team | API Integration (Standard Dev) |
Ongoing Monitoring & Alerting | Build & Maintain Custom System | Included & Managed |
Challenge Response Automation | Manual Process Development | Fully Automated |
Coverage for New Fraud Vectors | Your Team's Research | Continuous Protocol Updates |
Annual Operational Cost (Year 1) | $150K - $300K | $60K - $120K |
SLA for Detection & Response | None (Self-Managed) | 99.9% Uptime, <5min Alerts |
Integration Complexity | High (Custom State Analysis) | Low (REST/Webhook API) |
how-we-deliver
PROVEN METHODOLOGY
Our Integration & Delivery Process
A streamlined, security-first approach to integrate fraud detection into your rollup stack. We deliver production-ready APIs, not just proof-of-concepts.
01
Architecture Review & Threat Modeling
We analyze your rollup's architecture (Arbitrum, Optimism, custom) to identify fraud vectors. Deliverables include a security assessment and integration blueprint.
2-3 days
Assessment Time
10+
Fraud Vectors Audited
02
API Integration & Sandbox Testing
Seamless integration of our REST/WebSocket APIs. We provide a dedicated sandbox environment with simulated fraud attempts for your team to test against.
< 1 week
Integration Time
100%
Test Coverage
03
Production Deployment & Monitoring
We manage the deployment of detection nodes and establish real-time monitoring dashboards. Includes failover configuration and 24/7 alerting.
99.95%
Uptime SLA
< 100ms
Alert Latency
04
Continuous Tuning & Support
Our team continuously updates detection heuristics based on new attack patterns. Includes quarterly security reviews and dedicated technical support.
24/7
SLO Support
Weekly
Rule Updates
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect, develop, and deploy custom Solidity/Rust smart contracts that form the immutable backbone of your application. Our process delivers audit-ready code from day one, significantly reducing time-to-market and mitigating critical security risks.
We don't just write code; we engineer systems that are secure by design, performant under load, and maintainable for the long term.
- Full Lifecycle Development: From initial design and
OpenZeppelinintegration to deployment onEVM/Solana/Cosmoschains and post-launch monitoring. - Security-First Approach: Every contract undergoes rigorous internal review using industry-standard tools (
Slither,MythX) before external audit. - Measurable Outcomes: Achieve 99.9% uptime SLAs, gas-optimized transactions, and seamless integration with your front-end and backend systems.
Optimistic Rollup Fraud Detection
Frequently Asked Questions
Get clear answers on how our API integrates, secures, and scales your rollup infrastructure.
Most teams integrate our API into their sequencer or validator client within 1-2 weeks. We provide a dedicated SDK, comprehensive documentation, and direct engineering support to ensure a smooth, code-first integration. For custom rule configurations, add 1-2 additional weeks.
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