We architect and deploy production-ready smart contracts that are secure by design. Every contract undergoes a rigorous development lifecycle, from initial specification in Solidity 0.8+ or Rust to comprehensive testing and formal verification.
LABS
Services
Cross-Chain Payment System Attack Simulation
Proactive security testing for cross-chain bridges, swaps, and messaging layers. We simulate real-world attacks to identify vulnerabilities in atomicity, liquidity, and relay logic before they are exploited.
Chainscore © 2026
overview
CORE INFRASTRUCTURE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications.
- Custom Logic: Build
ERC-20,ERC-721,ERC-1155, or bespoke protocols for DeFi, NFTs, and DAOs. - Security First: Mandatory audits using OpenZeppelin patterns and industry-standard tools like Slither and MythX.
- Gas Optimization: We minimize transaction costs, targeting up to 40% gas reduction versus unoptimized code.
Deploy with confidence. Our contracts come with a detailed technical specification document and a post-audit certification for your stakeholders.
key-features-cards
PROVEN FRAMEWORK
Our Attack Simulation Methodology
We don't just identify theoretical risks; we actively exploit them in a controlled environment to validate your system's resilience. Our methodology is based on real-world attack vectors and adversarial thinking.
01
Threat Modeling & Reconnaissance
We map your entire cross-chain payment architecture—bridges, oracles, relayers, and smart contracts—to identify critical attack surfaces and entry points for simulation.
100+
Attack Vectors Mapped
5+
Protocols Analyzed
02
Adversarial Simulation (Red Teaming)
Our security engineers act as malicious actors, executing simulated attacks like bridge drain exploits, oracle manipulation, and front-running to test live defenses.
Live
Attack Execution
Zero-Downtime
Production Safety
03
Vulnerability Validation & Proof
We don't stop at detection. For every critical finding, we provide a reproducible proof-of-concept exploit, demonstrating the exact impact and required fix.
POC
For Every Critical Issue
Step-by-Step
Exploit Documentation
04
Remediation Guidance & Retesting
Receive actionable, prioritized fixes with code-level recommendations. We then retest the patched system to confirm vulnerabilities are fully resolved.
Priority
Action Plan
Verification
Post-Fix Audit
benefits
PROACTIVE DEFENSE
Secure Your Cross-Chain Operations
Our attack simulation service doesn't just identify vulnerabilities—it validates your entire cross-chain payment system's resilience under real-world adversarial conditions, ensuring your assets and user funds are protected.
01
Real-World Bridge & Router Exploit Simulation
We replicate sophisticated attacks like signature validation bypasses, liquidity pool manipulation, and price oracle exploits specific to your chosen bridges (e.g., Wormhole, LayerZero) and DEX aggregators.
50+
Attack Vectors Tested
Zero-Knowledge
Proof Delivery
02
Smart Contract & Protocol Logic Fuzzing
Employ advanced fuzzing and static analysis to uncover reentrancy, flash loan, and business logic flaws in your custom payment settlement and escrow contracts before malicious actors do.
100%
Code Coverage
OWASP Top 10
Compliance
03
End-to-End Transaction Flow Penetration Testing
Stress-test the complete user journey—from initiation on Chain A to final settlement on Chain B—identifying weaknesses in frontend integrations, RPC nodes, and transaction relay mechanisms.
< 24 hrs
Critical Issue TAT
Full Stack
Attack Surface
Comprehensive Security Validation
Standard Attack Simulation Scope
Our tiered simulation packages assess your cross-chain payment system's resilience against the most critical real-world threats.
| Attack Vector | Starter | Professional | Enterprise |
|---|---|---|---|
Bridge/Relayer Manipulation | |||
Cross-Chain Message Forgery | |||
Liquidity Pool Drain (Flash Loans) | |||
Oracle Price Manipulation | |||
Front-Running & MEV Exploitation | |||
Governance Takeover Simulation | |||
Multi-Chain Consensus Attack | |||
Report & Remediation Guide | Basic | Detailed with POCs | Detailed with Live Demo |
Remediation Support | 1 review | Unlimited reviews | Dedicated engineer |
Simulation Duration | 2-3 days | 1-2 weeks | 2-4 weeks |
Starting Price | $15K | $45K | Custom |
process-walkthrough
FULL-STACK ENGINEERING
Custom Blockchain Development
End-to-end development of secure, scalable blockchain networks and applications tailored to your business logic.
We architect and build custom blockchains and dApps from the ground up. Our full-cycle development delivers production-ready systems in 8-12 weeks, with 99.9% uptime SLAs and comprehensive security audits.
- L1/L2 Development: Custom chains using
Substrate,Cosmos SDK, orOP Stack. - Smart Contract Suites: Gas-optimized contracts in
Solidity,Rust (Solana), orMove (Aptos/Sui). - Full-Stack dApps: Integrated frontends (
React/Next.js) with secure wallet connectivity and indexers. - DevOps & Node Infrastructure: Automated deployment, monitoring, and managed validator networks.
We don't just write code; we deliver audited, maintainable systems that scale with your user base and transaction volume.
Cross-Chain Payment Security
Frequently Asked Questions
Get clear answers about our attack simulation process, timelines, and security methodology.
A comprehensive simulation for a standard cross-chain payment system takes 2-3 weeks. This includes 1 week for initial threat modeling and environment setup, 1-2 weeks for active penetration testing and exploit development, and 2-3 days for reporting and remediation guidance. Complex multi-protocol integrations may extend this to 4 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