We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our engineers specialize in Solidity and Rust, implementing battle-tested patterns from OpenZeppelin and adhering to formal verification principles.
LABS
Services
EVM Oracle Integration for Prediction Markets
Secure, gas-optimized integration of Chainlink, Pyth, and other oracles into your Solidity-based prediction markets. We deliver reliable, cost-effective data feeds for Ethereum, Polygon, and Arbitrum.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
From initial audit to mainnet deployment, we manage the entire lifecycle with a focus on security and gas optimization.
- Full-Stack Development: End-to-end contracts for
ERC-20,ERC-721,ERC-1155, DeFi protocols, and custom logic. - Security-First Process: Multi-stage audits, static analysis with
Slither/MythX, and test coverage exceeding 95%. - Gas Optimization: Expert tuning to reduce deployment and transaction costs by 20-40% on average.
- Mainnet Ready: Comprehensive deployment scripts, upgradeability patterns (
TransparentProxy/UUPS), and monitoring setup.
key-features-cards
BUILT FOR PREDICTION MARKETS
Our Oracle Integration Capabilities
We architect and deploy secure, low-latency oracle solutions that ensure your prediction market resolves with integrity and speed. Our integrations are battle-tested for high-stakes, real-world data.
01
Custom Data Feed Development
Design and deploy bespoke price feeds, sports outcomes, or event results. We handle API sourcing, aggregation logic, and on-chain publishing with multi-signature security.
< 2 sec
Update Latency
5+ Sources
Avg. Aggregation
02
Chainlink & Pyth Integration
Seamless integration with leading oracle networks. We implement secure consumer contracts, manage data subscriptions, and ensure cost-effective, reliable data delivery.
99.9%
Historical Uptime
Mainnet-Proven
Reliability
03
Dispute & Resolution Systems
Build robust challenge periods, multi-party verification, and fallback mechanisms. Protect your platform from oracle manipulation and ensure fair market outcomes.
48-Hour
Avg. Resolution SLA
3+ Validators
Standard Quorum
04
Gas-Optimized Consumer Contracts
Engineered Solidity contracts that minimize gas costs for data requests and processing. Critical for high-frequency markets and user experience.
~40%
Avg. Gas Reduction
OpenZeppelin
Security Base
05
Real-World Event Oracle Design
Specialized architecture for off-chain event verification (elections, sports, weather). We design secure data attestation flows from trusted sources to your smart contracts.
KYC/AML
Source Vetting
E2E Encrypted
Data Pipeline
06
Monitoring & Alerting Suite
Proactive 24/7 monitoring of oracle health, data deviation, and contract balances. Get instant alerts for anomalies to maintain market integrity.
< 60 sec
Alert Latency
Full Logging
Audit Trail
benefits
EXPERTISE FOR PREDICTION MARKETS
Why Choose Chainscore for Your Oracle Integration
We deliver purpose-built EVM oracle infrastructure that ensures your prediction market resolves bets with unshakeable reliability and speed.
01
Market-Tested Reliability
Our oracles are battle-tested in production, securing over $1B in prediction market volume. We provide a 99.9% uptime SLA for data feeds, ensuring your platform never misses a critical settlement.
99.9%
Uptime SLA
$1B+
Secured Volume
02
Sub-Second Finality
Optimized for time-sensitive markets. Our low-latency architecture delivers price feeds and event outcomes to your smart contracts in under 500ms, enabling real-time betting and instant payouts.
< 500ms
Feed Latency
0
Missed Resolutions
03
Specialized Data Feeds
Go beyond simple price feeds. We provide custom data oracles for sports scores, election results, and real-world events with multi-source aggregation and cryptographic proof of correctness.
10+
Data Sources
100%
Audit Coverage
05
Seamless EVM Integration
Deploy a fully integrated oracle solution in under 2 weeks. Our SDKs and pre-audited contracts for Arbitrum, Optimism, and Base reduce your engineering overhead and accelerate time-to-market.
< 2 weeks
Deployment Time
5+
Supported L2s
06
Predictable, Transparent Pricing
No hidden fees or gas cost surprises. We offer simple, subscription-based pricing with clear SLAs, allowing you to forecast infrastructure costs accurately as you scale.
$0
Setup Fees
Fixed
Monthly Rate
For Prediction Markets
Build vs. Buy: Oracle Integration Analysis
A detailed comparison of the total cost, risk, and time investment required to develop and maintain a custom oracle solution versus using Chainscore's managed EVM oracle service.
| Factor | Build In-House | Chainscore Managed Service |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $150K - $400K+ | $25K - $75K |
Annual Maintenance Cost | $80K - $200K (2-3 engineers) | $15K - $50K (SLA) |
Security & Audit Burden | High (Your responsibility) | Low (Pre-audited, insured) |
Uptime & Reliability SLA | You build it (0% SLA) | 99.9% Guaranteed |
Data Source Integration | Manual for each feed | 100+ pre-integrated feeds |
Dispute Resolution & Fallbacks | Custom logic required | Built-in multi-layer system |
Protocol Upgrades & Support | Your team manages forks | Handled automatically |
Team Focus | Diverted to infrastructure | 100% on core prediction logic |
Total Cost of Ownership (Year 1) | $230K - $600K+ | $40K - $125K |
how-we-deliver
PREDICTABLE, TRANSPARENT, AND SECURE
Our 4-Phase Delivery Process
We deliver production-ready EVM oracle integrations through a structured, milestone-driven process. Each phase has clear deliverables, ensuring your prediction market launches on time and with enterprise-grade reliability.
01
Phase 1: Discovery & Architecture
We analyze your market logic, data requirements, and blockchain environment to design a secure, cost-effective oracle architecture. This includes selecting the optimal data source (e.g., Chainlink, Pyth, API3), defining update intervals, and finalizing the smart contract interface.
1-2 weeks
Duration
Architecture Spec
Deliverable
02
Phase 2: Smart Contract Development
Our engineers write, test, and optimize the core oracle consumer contracts and any required adapters. We implement gas-efficient patterns, OpenZeppelin security standards, and comprehensive unit/integration tests using Hardhat or Foundry.
2-3 weeks
Duration
Audit-Ready Code
Deliverable
03
Phase 3: Security & Testing
All code undergoes rigorous security analysis, including automated vulnerability scanning and a manual review by our senior auditors. We deploy to a testnet (Sepolia, Holesky) for end-to-end simulation with mock data feeds and stress testing.
1-2 weeks
Duration
Security Report
Deliverable
04
Phase 4: Deployment & Monitoring
We manage the mainnet deployment, configure oracle nodes or service subscriptions, and establish real-time monitoring dashboards. You receive full documentation and a handover session, with optional ongoing support and SLA-backed maintenance.
< 1 week
Duration
Live Integration
Deliverable
Technical Deep Dive
Oracle Integration FAQs for Prediction Market Builders
Answers to the most common technical and commercial questions from CTOs and founders evaluating oracle infrastructure for their prediction market.
We deliver a production-ready, audited oracle solution in 2-4 weeks for a standard prediction market deployment. This includes design, development, on-chain deployment, and initial testing. Complex integrations with multi-source data or custom dispute resolution logic may extend to 6-8 weeks. We provide a detailed sprint-by-sprint project plan during the initial technical scoping call.
conclusion
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
We architect and deploy custom smart contracts that form the unbreakable backbone of your application. Our code is built on Solidity 0.8+ with OpenZeppelin standards, designed for security-first deployment and gas optimization from day one.
Reduce your time-to-market from months to weeks with battle-tested contract templates.
- Token Systems: Custom
ERC-20,ERC-721, andERC-1155implementations with advanced features like vesting, staking, and governance. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield aggregators with sub-second finality.
- Enterprise Logic: Multi-signature wallets, access control systems, and verifiable on-chain data oracles.
- Full Audit Trail: Every contract undergoes peer review and is prepared for third-party audits by firms like CertiK or Quantstamp.
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