We architect and deploy custom smart contracts that form the immutable backbone of your application. Our development process is built on security-first principles, utilizing OpenZeppelin libraries, comprehensive testing suites, and formal verification where required.
LABS
Services
Hedera Consensus Service Oracle Integration
We build enterprise-grade oracle integrations leveraging the Hedera Consensus Service for high-throughput, MEV-resistant data feeds with provably fair ordering and cryptographic timestamps.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Custom Logic: From
ERC-20tokens andERC-721NFTs to complex DeFi primitives and DAO governance systems. - Full Audit Readiness: Code is structured for seamless integration with top security firms like CertiK and Quantstamp.
- Gas Optimization: Every contract is optimized for minimum execution cost, reducing user fees and improving scalability.
We deliver battle-tested contracts that are secure by design, enabling you to launch with confidence and scale without rework.
key-features-cards
HEDERA ORACLE INTEGRATION
Core Technical Capabilities
We deliver production-ready, secure, and scalable oracle infrastructure for the Hedera network, enabling your DApp to access real-world data with enterprise-grade reliability.
04
High-Availability Relayer Network
Fault-tolerant, geographically distributed relayers with automatic failover and load balancing to submit data to HCS, backed by a 99.9% uptime SLA for mission-critical applications.
99.9%
Uptime SLA
< 1 sec
Relay Latency
05
Enterprise Security & Monitoring
End-to-end security with encrypted data feeds, role-based access control, and 24/7 monitoring with alerts for data anomalies or network downtime, ensuring compliance and operational integrity.
SOC 2
Compliance
24/7
Monitoring
06
Rapid Deployment & SDK
Go from specification to live oracle in under 2 weeks. We provide a custom SDK and comprehensive documentation for your developers to query and integrate data seamlessly.
< 2 weeks
Deployment
Full SDK
Included
benefits
TANGIBLE RESULTS
Business Outcomes for Your Project
Our Hedera Consensus Service (HCS) Oracle Integration delivers measurable infrastructure advantages, enabling you to build with confidence and scale with efficiency.
01
Enterprise-Grade Data Integrity
Leverage HCS's asynchronous Byzantine Fault Tolerance (aBFT) consensus to achieve immutable, tamper-proof data feeds for your dApp. This provides a cryptographically verifiable audit trail for all oracle data, a critical requirement for DeFi, insurance, and supply chain applications.
aBFT
Consensus Model
Final
Data Guarantee
02
Sub-Second Finality & High Throughput
Process thousands of oracle transactions per second with finality in under 5 seconds. This performance profile eliminates the uncertainty of probabilistic finality, enabling real-time settlement and high-frequency trading applications on Hedera.
< 5 sec
Transaction Finality
10k+ TPS
Network Capacity
03
Predictable, Low-Cost Operations
Benefit from Hedera's stable, USD-denominated fee schedule. Our integration architecture is optimized for cost efficiency, allowing you to forecast operational expenses accurately—crucial for scaling your product's economics.
$0.0001
Avg. HCS Tx Cost
USD
Fixed Pricing
04
Accelerated Time-to-Market
Deploy a production-ready, secure HCS oracle integration in under 3 weeks. We provide a complete package: architecture design, smart contract development, node deployment, and comprehensive documentation, so your team can focus on core product logic.
< 3 weeks
To Production
Full SDK
Included Deliverable
05
Regulatory & Compliance Readiness
Build on a public, permissioned ledger governed by a council of global enterprises. HCS's transparent and accountable model provides a stronger foundation for applications in regulated industries compared to anonymous proof-of-work networks.
Governing Council
Network Model
Public Ledger
Transparency
06
Dedicated Infrastructure Support
Get 24/7 monitoring, alerting, and maintenance for your oracle nodes. We provide a 99.5% uptime SLA and proactive health checks to ensure your data feeds remain reliable and available for mission-critical operations.
99.5%
Uptime SLA
24/7
Monitoring
Architectural Comparison
HCS Oracle vs. Traditional Oracle Designs
A technical breakdown of how Chainscore's Hedera Consensus Service (HCS) Oracle integration fundamentally differs from conventional oracle designs, highlighting key advantages in security, cost, and performance.
| Architectural Feature | Traditional Oracle (e.g., Chainlink, Pyth) | Chainscore HCS Oracle |
|---|---|---|
Data Consensus & Integrity | Relies on off-chain committee consensus or delegated proof-of-stake among node operators. | Leverages Hedera's native, hashgraph-based aBFT consensus for immutable, ordered data attestation on-chain. |
Trust Model | Trust in a decentralized network of independent node operators and their aggregation logic. | Trust in the mathematically proven, leaderless consensus of the public Hedera network. |
Data Finality Speed | Varies (2-30 sec+); depends on underlying blockchain confirmation times and oracle network latency. | Guaranteed <5 seconds; deterministic finality provided by HCS's 3-second consensus rounds. |
Cost Structure | High & volatile; payment in native gas tokens (ETH, SOL) plus oracle service fees, subject to mainnet congestion. | Predictable & low; fixed $0.0001 USD per HCS message + negligible HBAR transaction fees (<$0.001). |
Data Feed Transparency | Opaque; aggregation logic and source attestation often occur off-chain, requiring trust in the oracle's reputation. | Transparent; every data point, source signature, and attestation is an immutable, publicly verifiable HCS message. |
Architectural Complexity | High; requires complex off-chain infrastructure, relay networks, and extensive smart contract logic for validation. | Simplified; HCS is the canonical data layer. Smart contracts subscribe directly to verified consensus streams. |
Settlement Assurance | Probabilistic; finality depends on the security of the underlying blockchain the oracle reports to. | Absolute; HCS provides immediate, aBFT finality before data is consumed by a smart contract. |
Time to Production | Weeks to months for custom integration, node coordination, and security setup. | Days to weeks; leverage pre-built HCS adapters and Chainscore's managed relay infrastructure. |
Best For | Applications requiring ultra-high-frequency data on networks where HCS is not natively supported. | Projects prioritizing cost predictability, cryptographic audit trails, and leveraging Hedera's speed for DeFi, supply chain, and ESG data. |
how-we-deliver
PREDICTABLE, PROVEN PATH
Our Integration Process
A streamlined, four-phase methodology designed for technical teams. We deliver a production-ready Hedera Consensus Service (HCS) oracle integration, from architecture to deployment, with zero surprises.
01
Architecture & Design Review
We analyze your data requirements and system architecture to design the optimal HCS oracle model. This includes defining message topics, consensus timestamps, and the on-chain/off-chain data flow for your specific use case.
1-3 days
Design Sprint
100%
Requirement Alignment
02
Mirror Node & HCS Setup
Our team provisions and configures the dedicated infrastructure. We establish secure connections to Hedera Mirror Nodes for data ingestion and set up the HCS topics and subscriptions that will form the backbone of your oracle's consensus layer.
< 48 hours
Infrastructure Ready
Enterprise-Grade
Mirror Node Access
03
Oracle Logic & Smart Contract Integration
We develop the core oracle logic—data fetching, validation, and formatting—and deploy the companion smart contracts (Solidity or HTS) that will consume the verified HCS messages on-chain, ensuring data integrity from source to settlement.
OpenZeppelin
Security Standards
Gas-Optimized
Contract Code
04
Testing, Deployment & Monitoring
Rigorous testing on testnet precedes a seamless mainnet deployment. We provide a comprehensive monitoring dashboard for topic activity, message latency, and system health, ensuring operational transparency from day one.
99.9% SLA
Production Uptime
Real-Time
Health Metrics
security-approach
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by certified auditors for your Web3 application.
We architect and deploy custom smart contracts for DeFi, NFTs, DAOs, and enterprise use cases. Our team of certified security auditors ensures your logic is robust, gas-optimized, and secure from day one.
- Security-First Development: Built on
Solidity 0.8+withOpenZeppelinstandards and comprehensive unit/integration testing. - Gas Optimization: We achieve up to 40% lower transaction costs through efficient coding patterns and storage strategies.
- Full Audit Readiness: Code is structured for seamless review by top firms like CertiK or Trail of Bits.
We deliver battle-tested contracts that power real value, not just proof-of-concepts. Reduce your time-to-audit by 50% and launch with confidence.
Hedera Consensus Service Oracle Integration
Frequently Asked Questions
Get clear answers on how we deliver secure, low-latency oracle data to your Hedera-based applications.
A standard integration project is completed in 2-4 weeks. This includes design, smart contract development, on-chain deployment, and end-to-end testing. Complex multi-source or custom logic requirements may extend the timeline, which we scope and quote for upfront.
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