We architect, develop, and audit custom smart contracts that form the immutable business logic of your application. Our process ensures security-first development, gas optimization, and full audit readiness from day one.
LABS
Services
Hedera Consensus Service Gateway
Build a high-throughput, enterprise-ready crypto payment gateway on Hedera Hashgraph. We deliver predictable sub-5-second finality and stable, low transaction fees for B2B invoicing and settlements.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for DeFi, NFTs, and enterprise applications.
Deploy with confidence. We deliver battle-tested code for the most demanding production environments.
- Protocol Development: Custom
ERC-20,ERC-721,ERC-1155, and bespoke token standards. - DeFi & DAOs: Automated market makers (AMMs), staking pools, governance systems, and multi-sig wallets.
- Enterprise Logic: Supply chain tracking, asset tokenization, and verifiable credential systems.
- Security Guarantee: All code follows OpenZeppelin standards and undergoes internal review before external audit.
key-features-cards
HEDERA CONSENSUS SERVICE INFRASTRUCTURE
Core Technical Capabilities We Deliver
We build and manage the foundational infrastructure that connects your application to Hedera's enterprise-grade consensus. Our solutions are engineered for reliability, security, and seamless integration.
01
Enterprise-Grade HCS Gateway
Deploy a dedicated, high-availability gateway for submitting and receiving messages from the Hedera Consensus Service. We ensure 99.9% uptime, low-latency message processing, and automatic failover for mission-critical applications.
99.9%
Uptime SLA
< 100ms
Avg. Latency
02
Mirror Node Integration & Management
We set up and maintain robust mirror node infrastructure, providing your application with real-time, reliable access to the HCS transaction stream. Includes historical data indexing and WebSocket APIs for live event consumption.
Real-time
Event Streaming
Full History
Data Indexing
03
Secure Topic & Key Management
Implement secure, automated lifecycle management for HCS topics, including creation, configuration, and access control. We provide secure key generation and storage solutions for topic submit and admin keys.
HSM/GCP KMS
Key Security
Automated
Topic Lifecycle
04
Custom SDK & API Development
We build tailored SDKs and REST/GraphQL APIs that abstract the complexity of HCS, enabling your team to focus on business logic. Includes libraries for message signing, batching, and validation.
2-4 weeks
Delivery Time
OpenZeppelin
Security Patterns
05
Audit-Ready Architecture
Our infrastructure is built with security-first principles, featuring comprehensive logging, monitoring, and alerting. We deliver architecture documentation and compliance reports for enterprise audits.
SOC 2
Compliance Ready
24/7
Monitoring
06
Scalability & Load Optimization
Design and implement systems that scale with your transaction volume. We optimize for high-throughput message submission, implement efficient batching strategies, and conduct load testing to guarantee performance.
10k+ TPS
Tested Capacity
Auto-scaling
Infrastructure
benefits
DELIVERING ENTERPRISE-GRADE RESULTS
Business Outcomes for Your FinTech or NeoBank
Our Hedera Consensus Service Gateway is engineered to deliver measurable, high-impact outcomes for financial institutions. We focus on the technical and business results that matter most to your leadership and engineering teams.
01
Sub-Second Settlement at Scale
Achieve finality in under 2 seconds for payment and settlement transactions, enabling real-time financial products and superior user experiences compared to traditional or other blockchain networks.
< 2 sec
Transaction Finality
10,000+ TPS
Network Capacity
02
Predictable, Near-Zero Transaction Costs
Eliminate gas fee volatility with Hedera's fixed, USD-denominated fees. Budget accurately for high-volume micro-transactions, loyalty programs, and audit trails without cost surprises.
$0.0001
Avg. Transaction Cost
Fixed USD
Fee Model
03
Regulatory & Audit Compliance
Leverage an immutable, time-stamped, and verifiable consensus log. Our gateway provides the cryptographic proof required for financial audits, KYC/AML traceability, and regulatory reporting.
Immutable
Audit Trail
Nano-second
Timestamp Precision
04
Rapid Integration & Time-to-Market
Deploy a production-ready HCS gateway with REST APIs and WebSocket feeds in weeks, not months. Our pre-built connectors and SDKs accelerate integration with your core banking systems.
2-4 weeks
Production Deployment
REST/WS API
Integration Standard
05
Enterprise-Grade Security & Uptime
Built on the Hedera network, governed by global enterprises like Google, IBM, and Deutsche Telekom. We deliver the reliability and security SLAs required for mission-critical financial infrastructure.
99.9%
Uptime SLA
ABFT Secure
Consensus Model
06
Interoperability with Legacy & Web3
Our gateway acts as a bridge. Securely anchor data from your existing systems onto Hedera for verification, while enabling future composability with EVM-based smart contracts and DeFi protocols.
EVM Compatible
Smart Contract Support
REST API
Legacy System Bridge
Infrastructure Decision Matrix
Build vs. Buy: Custom HCS Gateway vs. Generic Solutions
A technical and financial comparison of developing a Hedera Consensus Service gateway in-house versus partnering with Chainscore Labs for a custom, managed solution.
| Key Factor | Build In-House | Generic SaaS | Chainscore Custom Gateway |
|---|---|---|---|
Time to Production | 6-12 months | 2-4 weeks | 4-8 weeks |
Initial Development Cost | $150K - $400K+ | $5K - $20K / year | $50K - $150K |
HCS Protocol Expertise Required | High (Senior Devs) | Low | Provided by Chainscore |
Custom Logic & Business Rules | Full control | Limited or none | Tailored to your dApp |
Security & Audit Burden | Your responsibility (High Risk) | Shared (Medium Risk) | Our responsibility (Audited, Low Risk) |
Scalability & Performance Tuning | Your team manages | Shared pool, limited | Dedicated, optimized nodes |
Ongoing Maintenance & Updates | 2-3 FTE engineers | Included (generic) | Optional SLA from $2K/month |
Total Cost of Ownership (Year 1) | $300K - $600K+ | $25K - $40K | $70K - $190K |
Guaranteed Uptime SLA | None (your infra) | 99.5% | 99.9% |
Direct Hbar Foundation & Node Operator Support | Self-managed | No | Yes, via our partnerships |
how-we-deliver
PREDICTABLE, TRANSPARENT EXECUTION
Our 4-Phase Delivery Methodology
We deliver production-ready Hedera Consensus Service (HCS) gateways through a structured, client-focused process that ensures clarity, security, and rapid time-to-market.
01
Phase 1: Discovery & Architecture
We conduct a technical deep-dive to define your consensus requirements, data flow, and integration points. Deliverables include a detailed technical specification, HCS topic strategy, and a project roadmap with clear milestones.
1-2 weeks
Duration
100%
Requirements Locked
02
Phase 2: Development & Core Integration
Our team builds your custom HCS gateway with secure Hedera SDK integration, robust message queuing, and failover logic. We implement enterprise-grade authentication, logging, and monitoring from day one.
2-4 weeks
Typical Build Time
OpenZeppelin
Security Patterns
03
Phase 3: Security Audit & Staging
Every gateway undergoes rigorous internal security review and testing against the OWASP Top 10. We deploy to a staging environment for full integration testing, load simulation, and client review before mainnet.
> 95%
Code Coverage
Testnet
Staging Environment
04
Phase 4: Deployment & Handover
We manage the production deployment on your infrastructure (AWS, GCP, Azure) or ours. The process includes final configuration, performance benchmarking, and comprehensive documentation and operational handover.
< 1 day
Go-Live Window
24/7
Initial Support
From Architecture to Production
Typical 12-Week Project Timeline & Deliverables
A structured delivery roadmap for implementing a Hedera Consensus Service (HCS) gateway, detailing key milestones and outputs for each project phase.
| Phase & Key Deliverables | Weeks 1-3 | Weeks 4-8 | Weeks 9-12 |
|---|---|---|---|
Architecture & Design | Technical spec, HCS topic design, API schema | ||
Core Gateway Development | HCS listener/mirror node integration | REST/WebSocket API server | Advanced filtering & batching logic |
Security & Auditing | Threat model review | Smart contract & API security audit | Penetration testing report |
Deployment & Integration | Staging environment setup | Mainnet deployment, client SDKs | |
Monitoring & Analytics | Logging framework | Dashboard for message throughput & latency | Alerting system for topic health |
Documentation | Architecture Decision Records (ADRs) | API reference & integration guide | Production runbook & SLA definition |
Hedera Consensus Service Gateway
Frequently Asked Questions
Get clear, technical answers about our HCS Gateway development and integration services.
Standard gateway deployments take 2-4 weeks from kickoff to production. This includes architecture design, smart contract development, API layer integration, and security audit. Complex integrations with existing enterprise systems or multi-chain logic 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