We architect and deploy custom smart contracts that form the foundation of your dApp. Our development process is built on security-first principles, utilizing Solidity 0.8+, OpenZeppelin libraries, and comprehensive audit preparation to mitigate risk.
LABS
Services
AppChain Custom Payment Network Development
Architect and deploy a dedicated, application-specific blockchain (AppChain) engineered exclusively for your business's high-volume, custom stablecoin payment flows. We deliver sovereignty, predictable cost, and enterprise-grade reliability.
Chainscore © 2026
overview
CORE INFRASTRUCTURE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 specialists to power your protocol.
Deliver a battle-tested, gas-optimized protocol in weeks, not months.
Our full-cycle service includes:
- Architecture & Design: Tokenomics modeling (
ERC-20,ERC-721,ERC-1155) and system flow diagrams. - Secure Development: Implementation with formal verification patterns and upgradeability via
TransparentorUUPSproxies. - Testing & Deployment: Unit/integration testing with
HardhatorFoundry, and deployment to mainnet/testnets. - Audit-Ready Code: Clean, documented code structured for seamless third-party security audits.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Our AppChain Development Stack
We build custom payment networks on battle-tested, modular components. Every layer is engineered for performance, security, and seamless integration with your existing financial systems.
01
Custom Consensus & Validator Orchestration
Deploy a purpose-built consensus mechanism (PoA, PoS, or BFT) optimized for high-throughput payment finality. We manage the full validator lifecycle, from node deployment to slashing protection.
< 2 sec
Block Finality
99.9%
Validator Uptime SLA
02
Secure Cross-Chain Bridges & Messaging
Integrate secure, audited bridges for asset transfers between your AppChain and major networks (Ethereum, Polygon, Arbitrum). Built with LayerZero or Axelar for verified message passing.
5+
Bridge Protocols
Zero
Bridge Exploits
03
Gas Fee Abstraction & Payment Rails
Implement sponsored transactions and account abstraction (ERC-4337) so your end-users never need native gas tokens. Design predictable, fixed-fee payment rails for business logic.
$0
User Gas Costs
ERC-4337
Standard Compliant
04
Real-Time Indexing & Data Feeds
Deploy subgraphs or custom indexers to provide instant, queryable access to transaction history, wallet balances, and payment events—critical for dashboards and compliance.
< 1 sec
Data Latency
100%
Query Reliability
05
Enterprise-Grade Security & Monitoring
From initial architecture review to ongoing protection. Includes smart contract audits, runtime security monitoring (Forta), and 24/7 alerting for anomalous activity.
3+
Audit Firms
24/7
Threat Monitoring
benefits
DELIVERABLES
Business Outcomes for Your Payment Product
We build custom payment networks that deliver measurable improvements in transaction speed, cost, and user experience. Here’s what you can expect.
01
Sub-Second Settlement
Move from minutes to milliseconds. Our custom AppChains enable deterministic finality, eliminating the uncertainty of public network confirmations for instant payment settlement.
< 1 sec
Settlement Time
100%
Finality
02
Near-Zero Transaction Fees
Eliminate unpredictable gas costs. By operating a dedicated network, you control fee economics, enabling microtransactions and predictable payment processing costs.
$0.001
Avg. Tx Cost
Predictable
Fee Model
04
Seamless Fiat On/Off Ramps
Integrate with licensed payment processors and stablecoin issuers from day one. We provide the smart contract and API layer to bridge traditional and digital value.
Multi-Provider
Integration
24/7
Settlement
05
Enterprise-Grade Uptime & Support
Focus on your product, not infrastructure. We provide managed validators, 24/7 monitoring, and a 99.9% uptime SLA for your core payment rail.
99.9%
Uptime SLA
24/7
DevOps Support
Infrastructure Decision Matrix
AppChain vs. Public Layer-1 vs. Traditional Rails
A technical and business comparison of infrastructure options for building a custom payment network, highlighting the unique advantages of a dedicated AppChain.
| Key Factor | AppChain (Dedicated) | Public Layer-1 (e.g., Ethereum) | Traditional Rails (e.g., Stripe/Plaid) |
|---|---|---|---|
Transaction Cost (Gas) | Fixed & Predictable | Volatile, Market-Driven | Fixed Percentage Fee |
Transaction Throughput (TPS) | Customizable (1,000+ TPS) | Shared (15-100 TPS) | High (1,000+ TPS) |
Settlement Finality | < 2 Seconds | ~12 Minutes (Ethereum) | 2-5 Business Days |
Data Privacy & Sovereignty | Full Control | Public & Transparent | Vendor-Controlled |
Custom Logic & Composability | Native Smart Contracts | Smart Contracts (Limited by Gas) | API-Based, Limited |
Regulatory Compliance | Built-in KYC/AML Modules | Pseudonymous, Compliance Complex | Pre-Built, Opaque |
Time to Market | 4-8 Weeks (with Chainscore) | Immediate Deployment | Immediate Integration |
Upfront Development Cost | $150K - $500K+ | $50K - $150K | Minimal (API Key) |
Ongoing Operational Cost | Predictable, Infrastructure-Only | Unpredictable Gas + High L1 Fees | 2-3% + Fixed Fees per Transaction |
Long-Term Strategic Control | Complete Ownership & Portability | Subject to Protocol Governance | Vendor Lock-in Risk |
how-we-deliver
A PREDICTABLE PATH TO PRODUCTION
Our Delivery Process: From Design to Mainnet
We follow a structured, milestone-driven approach to deliver your custom payment network on time and to spec. Each phase includes clear deliverables, security checkpoints, and client approvals.
01
Phase 1: Architecture & Design
We define the core network architecture, tokenomics, and consensus model. Deliverables include a technical specification document, network topology diagram, and a detailed project roadmap.
2-3 weeks
Typical Duration
100%
Specification Complete
02
Phase 2: Core Protocol Development
Our engineers build the foundational layer: custom consensus mechanism, native token bridge, and core smart contracts. All code follows OpenZeppelin standards and is peer-reviewed.
4-6 weeks
Development Sprint
Peer-Reviewed
Code Quality
03
Phase 3: Security Audit & Testing
Your network undergoes rigorous internal testing and a formal audit by a third-party security firm. We provide a full vulnerability report and remediation plan before proceeding.
Formal Audit
Security Standard
Zero Critical Bugs
Guarantee
04
Phase 4: Testnet Deployment
We deploy the network to a public testnet, configure validators, and execute end-to-end transaction flows. We provide comprehensive documentation for your team to begin integration testing.
1-2 weeks
Stabilization Period
Full Docs
Client Handoff
05
Phase 5: Mainnet Launch & Governance
We orchestrate the mainnet genesis event, onboard initial validators, and deploy the governance framework. We provide 30 days of post-launch monitoring and support.
Coordinated Launch
Go-Live Event
30-day
Post-Launch Support
06
Phase 6: Ongoing Support & Scaling
Transition to our managed infrastructure services for validator operation, node health monitoring, and performance optimization as your payment volume scales.
99.9%
Uptime SLA
< 15 min
Mean Response Time
From Architecture to Mainnet
Typical 12-Week Delivery Timeline
A structured, milestone-driven delivery plan for your custom payment network, ensuring predictable outcomes and clear accountability.
| Phase & Milestone | Weeks 1-3 | Weeks 4-8 | Weeks 9-12 |
|---|---|---|---|
Architecture & Design | Network topology, tokenomics, consensus model | Smart contract system design & audit plan | Finalized technical specification document |
Core Development | Base chain setup & node configuration | Payment & settlement contract suite | Bridge/connector modules for interoperability |
Security & Testing | Threat modeling & security review | Comprehensive audit by 3rd-party firm | Penetration testing & mainnet simulation |
Deployment & Launch | Testnet deployment & stress testing | Validator onboarding & governance setup | Mainnet launch with monitoring dashboard |
Post-Launch Support | Documentation & team training | Performance optimization & tuning | 30-day included support & SLA activation |
Technical & Commercial Insights
AppChain Payment Network FAQs
Get clear, specific answers to the most common questions CTOs and founders ask when evaluating a custom payment network build.
For a standard AppChain payment network with core features (multi-token support, basic compliance, bridge), deployment takes 2-4 weeks. Complex builds with custom consensus, advanced fraud detection, or multi-chain orchestration can extend to 6-8 weeks. We provide a detailed sprint-by-sprint roadmap during discovery.
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