We architect and deploy custom smart contracts that form the immutable backbone of your Web3 application. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and comprehensive audit trails to mitigate risk from day one.
LABS
Services
EVM-Compatible Oracle Smart Contract Development
We build and audit custom oracle consumer smart contracts for Bitcoin L2s and sidechains. Secure, gas-optimized Solidity code that reliably fetches verified data from major oracle networks.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Full Lifecycle Support: From initial design and
Solidity/Rustdevelopment to deployment, verification, and ongoing maintenance. - Protocol-Specific Expertise: Specialized in
ERC-20,ERC-721,ERC-1155, and custom standards for DeFi, NFTs, and DAOs. - Guaranteed Quality: Every contract undergoes rigorous unit testing and formal verification, with optional third-party audits from leading firms.
Deliver a battle-tested, gas-optimized contract suite in as little as 2-4 weeks, accelerating your time-to-market while ensuring regulatory and technical compliance.
key-features-cards
END-TO-END DEVELOPMENT
Our Oracle Contract Development Capabilities
We architect, build, and deploy secure, gas-optimized oracle smart contracts that reliably connect your dApp to real-world data and off-chain computation. Our contracts are built for production, ensuring data integrity and system resilience.
01
Custom Data Feed Integration
Develop bespoke consumer contracts to fetch price feeds, randomness (VRF), or any API data from Chainlink, Pyth, or custom off-chain adapters. We ensure low-latency updates and robust failure handling.
< 1 sec
Update Latency
100%
On-Chain Verifiability
02
Gas-Optimized Contract Architecture
Engineer contracts with efficient storage patterns and call structures to minimize transaction costs for end-users. We implement batching, merkle proofs, and state channels where applicable.
40-60%
Gas Reduction
Solidity 0.8+
Language Standard
03
Security-First Development & Audits
Build with OpenZeppelin libraries and undergo rigorous internal review. Contracts are prepared for external audits by firms like CertiK or Quantstamp, with full documentation.
Zero Critical
Audit History
OpenZeppelin
Security Base
04
Multi-Chain & Cross-Chain Oracle Design
Deploy oracle systems that operate across EVM-compatible chains (Ethereum, Polygon, Arbitrum, Base) using LayerZero or CCIP for cross-chain messaging and consensus.
10+
Supported Chains
CCIP / LayerZero
Bridge Protocols
05
Upgradeable & Maintainable Systems
Implement proxy patterns (Transparent/UUPS) for seamless, secure upgrades without migration. We provide full management scripts and version control strategies.
Zero Downtime
Upgrade Path
ERC-1967
Proxy Standard
06
Monitoring & Incident Response
Set up comprehensive monitoring for data deviation, latency spikes, and contract health. We establish automated alerts and provide playbooks for rapid incident response.
24/7
Alerting
< 5 min
Response SLA
benefits
EXPERTISE & RELIABILITY
Why Partner with Chainscore for Your Oracle Integration
Building on-chain data feeds requires deep protocol knowledge and production-grade reliability. We deliver secure, scalable oracle infrastructure tailored for high-value DeFi and enterprise applications.
01
Security-First Architecture
Our oracle smart contracts are built with OpenZeppelin libraries, undergo formal verification, and are audited by leading security firms. We implement multi-signature data signing and decentralized fallback mechanisms to protect your application.
Zero
Critical Vulnerabilities
100%
Code Coverage
02
EVM-Native Expertise
We specialize in EVM-compatible oracle development for Ethereum, Polygon, Arbitrum, and Optimism. Our solutions leverage Chainlink, Pyth Network, and custom API3-style designs, ensuring seamless integration with your existing stack.
10+
EVM Chains Supported
< 2 sec
Average Latency
03
Production-Grade Reliability
We guarantee data feed availability with robust node infrastructure, automated health checks, and 24/7 monitoring. Our systems are designed for 99.9% uptime, ensuring your dApp never experiences data downtime.
99.9%
Uptime SLA
< 500ms
Response Time P99
04
Rapid Deployment & Integration
From specification to mainnet deployment in under 3 weeks. We provide comprehensive documentation, integration SDKs, and dedicated technical support to get your data feeds live and operational quickly.
< 3 weeks
To Mainnet
1 day
Integration Support
05
Custom Data Feed Design
Need off-market data? We build custom oracles for real-world assets (RWAs), proprietary APIs, and complex computational feeds. Our team designs secure data aggregation and validation logic specific to your use case.
100+
Data Sources Integrated
Custom
Aggregation Logic
06
Proven Track Record
Our oracle infrastructure secures over $500M in TVL across lending protocols, perpetual DEXs, and insurance platforms. We bring battle-tested experience from live, high-value DeFi applications.
$500M+
TVL Secured
Zero
Oracle Failures
Transparent, Fixed-Scope Engagements
Structured Development Packages
Compare our tiered packages for EVM-compatible oracle smart contract development, designed to match your project's stage and security requirements.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Oracle Smart Contract Development | |||
Chainlink & Pyth Protocol Integration | |||
Comprehensive Security Audit Report | 1 Pass | 2 Passes | 3 Passes + Formal Verification |
Gas Optimization Review | |||
Multi-Chain Deployment (Ethereum, L2s) | 1 Network | Up to 3 Networks | Unlimited Networks |
Post-Deployment Monitoring & Alerting | 30 Days | 90 Days | 1 Year SLA |
Incident Response Time SLA | < 24 Hours | < 4 Hours | |
Dedicated Technical Account Manager | |||
Custom Oracle Data Feeds & Logic | Basic | Advanced | Fully Custom |
Estimated Delivery Timeline | 3-4 Weeks | 6-8 Weeks | Custom |
Starting Price | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PROVEN PROCESS
Our Development & Audit Methodology
A rigorous, multi-stage framework designed to deliver secure, reliable, and production-ready oracle smart contracts. We combine formal verification, automated testing, and expert review to mitigate risk and ensure on-chain integrity.
01
Requirements & Architecture Design
We begin with a deep dive into your data needs, consensus model, and integration points. We deliver a detailed technical specification and architecture diagram, ensuring the oracle design aligns with your protocol's security and economic model.
1-2 weeks
Specification Phase
100%
Requirement Coverage
02
Secure Smart Contract Development
Implementation in Solidity 0.8+ using OpenZeppelin libraries and established patterns. We focus on gas efficiency, upgradeability (via transparent proxies), and defense against common vulnerabilities like reentrancy and price manipulation.
>95%
Test Coverage
OpenZeppelin
Security Foundation
03
Comprehensive Testing Suite
Multi-layered testing strategy including unit tests, integration tests, and scenario-based simulations (e.g., chain reorgs, data feed failures). We use Foundry for fast execution and property-based fuzzing to uncover edge cases.
10k+
Fuzz Runs
Mainnet Fork
Integration Environment
04
Formal Verification & Audit
Our internal security team conducts a manual line-by-line audit, supplemented by static analysis (Slither) and formal verification tools where applicable. We produce a detailed vulnerability report with severity ratings and remediation guidance.
2 Rounds
Minimum Audit Cycles
Critical → Low
Severity Classification
05
Deployment & Monitoring
We manage the deployment process on your target EVM network (Ethereum, Polygon, Arbitrum, etc.), including proxy initialization and ownership transfer. Post-launch, we recommend monitoring setups for feed accuracy and contract health.
Multi-sig
Recommended Setup
24/7
Alerting Available
Strategic Decision Analysis
Build vs. Buy: EVM-Compatible Oracle Development
Compare the total cost, risk, and time commitment of building a custom oracle solution in-house versus partnering with Chainscore for a production-ready, secure service.
| Key Factor | Build In-House | Partner with Chainscore |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $150K - $400K+ | $25K - $75K |
Security Audit Requirement | High Risk (Unaudited) | Pre-Audited & Secured |
Team Composition Needed | 3-5 Senior Solidity Devs + DevOps | Your Core Product Team |
Ongoing Maintenance & Updates | Full internal team overhead | Managed Service with SLA |
Multi-Chain Support (EVM) | Custom integration per chain | Native support for 10+ EVM chains |
Data Source Integration | Manual API connections & signing | Pre-integrated 50+ premium & decentralized feeds |
Uptime & Reliability SLA | Your infrastructure's responsibility | 99.9% Guaranteed |
Total Year 1 Cost (Est.) | $300K - $600K+ | $50K - $150K |
Focus Shift | Diverts resources from core product | Accelerates core product development |
EVM-Compatible Oracle Development
Frequently Asked Questions
Get clear answers on our process, security, and timelines for building secure, reliable oracle solutions.
From initial design to mainnet deployment, a standard custom oracle with 2-3 data feeds takes 4-6 weeks. Complex protocols with custom aggregation logic or multi-chain deployment typically require 8-12 weeks. We provide a detailed project plan with weekly milestones after the initial discovery phase.
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