We architect and deploy custom smart contracts that form the foundation of your protocol. Our development process is built for security and speed, delivering audit-ready code in 2-4 weeks for most MVPs.
LABS
Services
Cross-Ecosystem Flash Loan Aggregator Engineering
We design and build secure, high-performance infrastructure that discovers and executes complex, multi-step arbitrage and liquidation strategies across DeFi protocols on different blockchains within a single atomic transaction.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Security-First Development: Code written in
Solidity 0.8+using OpenZeppelin libraries and battle-tested design patterns. - Full-Stack Integration: Contracts are designed to work seamlessly with your frontend, backend, and off-chain infrastructure.
- Gas Optimization: Every line is reviewed for efficiency, reducing user transaction costs by 15-40% on average.
- Comprehensive Testing: Unit, integration, and scenario testing with tools like Hardhat and Foundry ensure reliability.
We don't just write code; we deliver the secure, economic engine for your decentralized application.
key-features-cards
ENGINEERING EXCELLENCE
Core Technical Capabilities
Our engineering team delivers battle-tested, high-performance infrastructure for cross-chain flash loan execution. We focus on security, speed, and reliability to power your DeFi product.
01
Multi-Chain Smart Contract Architecture
We design and deploy secure, gas-optimized smart contracts across EVM and non-EVM chains (Ethereum, Polygon, Arbitrum, Solana). Contracts are built with OpenZeppelin libraries and follow best practices for upgradability and access control.
10+
Supported Chains
0.8+
Solidity Version
02
Real-Time Arbitrage & Liquidity Routing
Our aggregation engine scans 50+ lending protocols (Aave, Compound, dYdX) across ecosystems to identify and execute the most profitable flash loan opportunities in sub-second timeframes.
< 500ms
Execution Latency
50+
Protocols Monitored
03
Security-First Development & Audits
Every line of code undergoes rigorous internal review and is submitted for external audit by firms like CertiK or Quantstamp. We implement circuit breakers, slippage controls, and comprehensive test suites covering 95%+ code.
95%+
Test Coverage
3rd Party
Security Audits
04
Customizable Execution Strategies
Tailor the aggregator's behavior to your specific use case: MEV protection, fee optimization, or custom collateral logic. We provide a modular SDK for integrating bespoke trading and risk management logic.
Modular
SDK Design
White-label
Ready
05
High-Availability Node Infrastructure
We manage redundant, geographically distributed RPC nodes and indexers to ensure 99.9% uptime for price feeds and transaction submission, eliminating single points of failure.
99.9%
Uptime SLA
Global
Node Distribution
06
Comprehensive Monitoring & Analytics
Gain real-time visibility into protocol health, profitability metrics, and user activity through our custom Grafana dashboards. Receive instant alerts for failed transactions or anomalous behavior.
Real-time
Dashboards
24/7
Alerting
benefits
MEASURABLE RESULTS
Business Outcomes for DeFi Protocols & Trading Firms
Our cross-ecosystem flash loan aggregator engineering delivers concrete advantages, from new revenue streams to hardened security. Here’s what you can expect.
01
New Revenue Streams & Protocol Growth
Integrate a flash loan module to capture fees from arbitrageurs and liquidators, directly increasing your protocol's TVL and user activity without additional marketing spend.
15-30%
TVL Increase
New Fee Layer
Revenue Model
02
Superior Capital Efficiency for Traders
Provide your users with a single interface to access the deepest liquidity across Ethereum, Arbitrum, and Polygon, enabling larger, more profitable positions with zero collateral.
40%+
Better Rates
Multi-Chain
Liquidity Access
03
Reduced Integration & Maintenance Overhead
We deliver a production-ready aggregator with a unified API, eliminating the need to build and maintain separate integrations with 10+ lending protocols.
90%
Dev Time Saved
Single API
Integration Point
04
Enterprise-Grade Security & Risk Mitigation
Every aggregator core and integration is built with formal verification patterns and undergoes rigorous internal audits, protecting your protocol from flash loan exploits.
Zero Critical
Audit Findings
Formal Verification
Security Standard
05
Faster Time-to-Market for New Features
Leverage our modular architecture to rapidly deploy support for new chains (e.g., Base, zkSync) or lending protocols, keeping you ahead of competitors.
< 2 Weeks
New Chain Support
Modular Design
Future-Proof
06
Optimized Execution & Maximal Extractable Value (MEV)
Our routing algorithms and mempool monitoring ensure your users' flash loan transactions are bundled for optimal success rates and minimal slippage in competitive blocks.
99.5%
Tx Success Rate
MEV-Aware
Routing
Choose the Right Level of Support
Structured Development Tiers
Compare our tiered service packages for building a secure, high-performance cross-ecosystem flash loan aggregator.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Aggregator Core (Solidity) | |||
Multi-Chain Support (EVM) | 2 Networks | 5 Networks | Unlimited |
Smart Contract Security Audit | Basic Review | Full Audit + Report | Full Audit + Formal Verification |
Gas Optimization & Fee Analysis | |||
Frontend SDK / Integration Kit | Basic | Advanced (React/Node.js) | Custom White-Label |
Deployment & Mainnet Launch Support | |||
Post-Launch Monitoring & Alerting | 7 Days | 30 Days | 24/7 with SLA |
Priority Support Response Time | Business Hours | 12 Hours | < 4 Hours |
Architecture & Code Ownership | Full | Full | Full |
Estimated Delivery Timeline | 4-6 Weeks | 8-12 Weeks | Custom |
Starting Engagement Price | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PREDICTABLE, TRANSPARENT, AND SECURE
Our Engineering & Delivery Process
We deliver production-ready flash loan aggregators through a structured, milestone-driven process. Our focus is on security, interoperability, and delivering a tangible competitive edge for your DeFi product.
01
Phase 1: Architecture & Strategy
We define the optimal multi-chain strategy, select protocols (Aave, dYdX, Compound), and design the smart contract architecture for maximum capital efficiency and minimal gas costs.
5-7 days
Technical Spec
3+ Chains
Architecture Review
02
Phase 2: Core Smart Contract Development
Development of the aggregator's core logic in Solidity 0.8+, including the router, rate calculation engine, and fail-safe mechanisms, using OpenZeppelin libraries.
Solidity 0.8+
Language
OpenZeppelin
Security Base
03
Phase 3: Security & Audit Readiness
Comprehensive internal testing, formal verification of critical functions, and preparation for external audit with firms like CertiK or Quantstamp. We deliver a fully documented codebase.
100%
Test Coverage
Formal Verification
Key Modules
04
Phase 4: Integration & Frontend
Seamless integration with your chosen frontend stack (React/Next.js + Wagmi/viem) and deployment to testnets across all target ecosystems (Ethereum, Polygon, Arbitrum, etc.).
< 2 days
Per Chain
Wagmi/viem
Standard Stack
05
Phase 5: Mainnet Deployment & Monitoring
Managed mainnet deployment with multi-sig safeguards. We establish real-time monitoring for slippage, liquidity, and contract health, ensuring 99.9% operational uptime.
99.9%
Uptime SLA
24/7
Health Monitoring
06
Phase 6: Ongoing Support & Optimization
Post-launch support, performance analytics, and iterative optimization for new protocols and chains. We ensure your aggregator maintains its competitive advantage.
30 days
Included Support
Bi-weekly
Performance Reviews
Infrastructure Decision Matrix
Build vs. Buy vs. Partner with Chainscore
Compare the strategic, technical, and financial trade-offs for launching a cross-chain flash loan aggregator. We recommend the Partner path for startups prioritizing speed, security, and capital efficiency.
| Key Factor | Build In-House | Buy Generic SDK | Partner with Chainscore |
|---|---|---|---|
Time to Production Launch | 6-12 months | 3-6 months | 4-8 weeks |
Upfront Engineering Cost | $250K - $600K+ | $50K - $100K | $75K - $200K |
Security Posture & Audit Burden | High (You manage audits) | Medium (Reliant on vendor) | Low (Pre-audited, battle-tested core) |
Cross-Chain Coverage (EVM & non-EVM) | Your team integrates each chain | Limited to SDK's supported chains | Ethereum, Arbitrum, Base, Polygon, Solana, Sui, Aptos |
MEV & Slippage Optimization | Requires dedicated quant team | Basic routing only | Advanced algorithms with real-time mempool data |
Protocol Risk Monitoring | You build monitoring from scratch | Basic alerting only | 24/7 monitoring with exploit early-warning |
Ongoing Maintenance & Upgrades | Full-stack team required | Dependent on vendor roadmap | Included in partnership SLA |
Custom Logic & White-Labeling | Fully customizable | Limited or non-existent | Fully customizable front-end & smart contract extensions |
Typical Total Cost of Ownership (Year 1) | $500K - $1.2M+ | $150K - $300K | $150K - $350K |
Cross-Ecosystem Flash Loan Aggregator Engineering
Frequently Asked Questions
Get clear answers on timelines, security, and process for building a custom flash loan aggregator.
A minimum viable product (MVP) with core aggregator logic and 3-5 integrated protocols can be delivered in 4-6 weeks. Full-scale production deployments with custom arbitrage bots, multi-chain support, and advanced risk management typically take 8-12 weeks. We provide a detailed sprint-by-sprint roadmap after the initial technical scoping session.
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