We architect and deploy custom blockchains and Layer 2 solutions that solve your specific business logic, not generic templates. Our development process delivers production-ready code in 4-8 weeks, with 99.9% uptime SLAs and comprehensive security audits.
LABS
Services
EVM Oracle Node Penetration Testing
Offensive security testing to identify and remediate critical vulnerabilities in your EVM-based oracle node software before deployment, ensuring resistance to external attacks and data manipulation.
Chainscore © 2026
overview
FROM CONCEPT TO PRODUCTION
Custom Blockchain Development
Build secure, high-performance blockchain solutions tailored to your exact business requirements.
We build the infrastructure so you can focus on your product and users.
- Custom Consensus & EVM Chains: Design and implement bespoke consensus mechanisms, private EVM networks, and application-specific rollups using
Arbitrum NitroorOP Stack. - Cross-Chain & Interoperability: Develop secure bridges, omnichain applications, and interoperability layers with
LayerZero,Axelar, orWormhole. - Full-Node Infrastructure: Deploy and manage dedicated, high-availability nodes for any protocol with real-time monitoring and failover systems.
key-features-cards
PROVEN FRAMEWORK
Our Offensive Testing Methodology
Our methodology is based on real-world attack vectors and industry standards like OWASP and NIST. We don't just check boxes; we simulate sophisticated adversaries to find the vulnerabilities that matter.
01
Reconnaissance & Threat Modeling
We map your entire oracle attack surface, from on-chain contracts to off-chain data sources and node infrastructure. This identifies the most critical threat vectors before testing begins.
100%
Attack Surface Mapped
OWASP
Framework
02
Active Exploitation & Penetration
Our engineers execute controlled attacks against your node's API endpoints, consensus mechanisms, and data signing processes to validate exploitability and potential impact.
Real
Exploit Proofs
Zero
Network Disruption
03
Smart Contract & Data Feed Testing
We audit the on-chain consumer contracts and the data delivery mechanisms for manipulation, front-running, and logic flaws that could corrupt the oracle's output.
100%
Code Coverage
Slither
Tool Suite
04
Reporting & Remediation Guidance
Receive a detailed technical report with CVSS-scored vulnerabilities, proof-of-concept exploits, and actionable remediation steps prioritized by business risk.
< 48h
Report Delivery
Guided
Remediation Support
benefits
OUR METHODOLOGY
Deliver Secure, Attack-Resistant Oracle Nodes
We don't just test; we engineer resilience. Our penetration testing methodology is designed to harden your EVM oracle nodes against the most sophisticated attack vectors, delivering infrastructure you can stake your business on.
01
Comprehensive Threat Modeling
We map your entire oracle data flow—from off-chain sources to on-chain delivery—identifying critical attack surfaces like data manipulation, consensus bypass, and front-running vulnerabilities before testing begins.
50+
Attack Vectors Modeled
OWASP Top 10
Framework
02
Real-World Attack Simulation
Our security engineers execute hands-on exploits, including price manipulation, latency attacks, and Sybil attacks, using the same tools and techniques as malicious actors to validate your node's defenses.
100%
Manual Testing
Custom Tooling
Method
03
Smart Contract Integration Audit
We analyze the security of your node's on-chain contracts—the Oracle.sol consumer interfaces and update mechanisms—for reentrancy, access control flaws, and gas optimization issues.
Solidity 0.8+
Standards
Slither, MythX
Tool Suite
04
Remediation & Hardening Guide
Receive a prioritized action plan with detailed code fixes, configuration changes, and architectural recommendations to eliminate vulnerabilities and implement defense-in-depth strategies.
Actionable
Findings
SLA-Based
Patch Verification
05
Continuous Security Posture
Beyond the audit, we provide monitoring baselines and incident response playbooks tailored for oracle nodes, ensuring long-term resilience against emerging threats.
24/7
Monitoring Ready
Runbooks
Delivered
06
Protocol-Specific Expertise
Leverage our deep experience with Chainlink, Pyth Network, API3, and custom oracles. We understand the unique security requirements of each architecture.
Multi-Protocol
Experience
Production Nodes
Tested
Structured Security Assessment
Comprehensive Testing Phases & Deliverables
Our phased penetration testing methodology for EVM oracle nodes, from initial discovery to final hardening.
| Testing Phase | Core Deliverables | Starter | Professional | Enterprise |
|---|---|---|---|---|
Discovery & Reconnaissance | Attack surface mapping, dependency analysis | |||
Smart Contract & Node Logic Review | Manual code review for critical vulnerabilities | |||
Active Penetration Testing | Simulated attacks on data feeds, consensus, and APIs | |||
Economic & Governance Attack Simulation | Stress testing for oracle manipulation and slashing | |||
Final Report & Risk Assessment | Detailed findings with CVSS scores and PoCs | |||
Remediation Support | Guidance on fixing identified vulnerabilities | Email only | Priority calls | Dedicated engineer |
Re-Testing & Verification | Validation of fixes before mainnet deployment | 1 round included | Unlimited rounds | |
Time to Completion | Estimated project timeline | 2-3 weeks | 3-4 weeks | 4-6 weeks |
Post-Deployment Monitoring | Ongoing threat detection for 30 days | |||
Starting Price | Fixed-scope engagement | $15K | $45K | Custom Quote |
process-walkthrough
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 specialists for your token, DeFi, or NFT project.
We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our development process ensures gas optimization, comprehensive security audits, and full compliance with standards like ERC-20, ERC-721, and ERC-1155.
From initial concept to mainnet deployment, we handle the entire lifecycle, delivering battle-tested code you can trust.
- Token Systems: Custom minting, vesting, staking, and governance logic.
- DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield strategies.
- NFT Collections: Generative art, dynamic metadata, and royalty enforcement.
- Security First: Built with
OpenZeppelinlibraries and subjected to manual review + automated analysis.
Choosing the Right Security Approach
Manual Penetration Testing vs. Automated Scans
While automated tools are essential for continuous scanning, manual expert-led penetration testing is critical for uncovering complex, logic-based vulnerabilities in EVM oracle nodes that automated tools miss. This table compares the depth and value of each approach.
| Security Assessment Factor | Automated Vulnerability Scans | Manual Penetration Testing (Chainscore) |
|---|---|---|
Depth of Analysis | Surface-level, pattern-based | Deep, logic and architecture-focused |
Vulnerability Discovery | Known CVEs, common exploits | Novel attack vectors, business logic flaws |
Oracle-Specific Risks | Limited coverage | Full assessment (data manipulation, latency attacks, consensus) |
Expertise Required | Tool configuration | Senior blockchain security engineers |
Time to Complete | Hours | 2-4 weeks (comprehensive) |
Actionable Report | Raw vulnerability list | Prioritized findings with PoC exploits & remediation steps |
Cost Implication | Low (tool subscription) | High (expertise investment) |
ROI for Critical Infrastructure | Low (misses critical flaws) | High (prevents catastrophic financial loss) |
Technical Due Diligence
EVM Oracle Security Testing FAQ
Get answers to the most common questions about our penetration testing and security assessment services for EVM-based oracle nodes and data feeds.
We follow a hybrid methodology combining automated scanning with deep manual review. Our process includes: 1) Architecture Review (data sourcing, aggregation logic, update mechanisms), 2) Smart Contract Audit (Solidity/Vyper code for on-chain components), 3) Node Infrastructure Penetration Testing (API endpoints, P2P layers, key management), and 4) Data Integrity & Manipulation Testing (simulating flash loan attacks, latency exploits, and data feed poisoning). This approach is based on OWASP Web3 Security Standards and our experience securing over $500M in TVL across oracle networks.
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