We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our development process is built on Solidity 0.8+ with OpenZeppelin standards, ensuring security from the first line of code.
LABS
Services
Institutional-Grade Recurring Billing Systems
End-to-end, compliant subscription platforms with multi-sig approvals, on-chain audit trails, and integration with traditional finance rails, built for regulated fintechs and large enterprises.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for your Web3 product.
- Full Lifecycle Development: From initial design and
ERC-20/721/1155implementation to deployment and on-chain verification. - Security-First Approach: Every contract undergoes peer review and is prepared for formal audits by firms like CertiK or Quantstamp.
- Gas Optimization: We write efficient code to minimize transaction fees, a critical factor for user adoption.
- Integration Ready: Contracts are built with clear interfaces for seamless connection to your frontend and backend systems.
Deliver a fully audited, mainnet-ready smart contract suite in 4-6 weeks, reducing your technical risk and accelerating your go-to-market timeline.
key-features-cards
COMPLIANCE BY DESIGN
Core Architecture for Regulated Environments
Our infrastructure is engineered from the ground up to meet the stringent requirements of financial institutions, ensuring security, auditability, and regulatory adherence are not afterthoughts but foundational pillars.
01
On-Chain Compliance Engine
Programmable rule sets for KYC/AML, transaction limits, and jurisdiction controls directly embedded into smart contract logic, enabling automated, transparent policy enforcement.
Zero
Manual Compliance Overrides
Real-time
Policy Enforcement
02
Multi-Signature Treasury & Governance
Enterprise-grade custody solutions with configurable M-of-N signer schemes, time-locks, and role-based permissions for secure fund management and operational control.
Gnosis Safe
Audited Standard
Custom Roles
Granular Permissions
03
Immutable Audit Trail
Every invoice, payment, and configuration change is recorded on-chain, providing regulators and internal auditors with a tamper-proof, single source of truth for all financial activity.
100%
Transaction Traceability
Sub-Second
Data Retrieval
04
Data Privacy & Sovereignty
Architected to support data residency requirements with private transaction layers and zero-knowledge proofs, ensuring sensitive billing data is protected while maintaining settlement integrity.
ZK-Proofs
For Selective Disclosure
GDPR/CCPA
Design Patterns
05
Institutional Wallet Integration
Seamless, secure connectivity to custodial partners (Fireblocks, Copper) and enterprise wallet providers, abstracting complexity while maintaining institutional security standards.
API-First
Integration
SOC 2 Type II
Partner Compliance
06
Regulatory Reporting Module
Automated generation of standardized reports for tax (FATF Travel Rule), financial statements, and transaction histories, directly from on-chain and off-chain data sources.
Pre-built
Report Templates
Automated
Export Scheduling
benefits
GUARANTEED RESULTS
Business Outcomes for Fintech Leaders
Our institutional-grade recurring billing systems deliver measurable improvements in operational efficiency, compliance, and revenue capture. Built for scale and security, here's what you can expect.
01
Automated Compliance & Audit Trails
Every transaction is immutably logged on-chain, providing a verifiable audit trail for regulators. Our systems are pre-configured for MiCA, AML5, and FATF Travel Rule compliance, reducing manual reporting overhead by 80%.
80%
Reduced Reporting Overhead
100%
Immutable Audit Trail
02
Sub-Second Settlement & Reconciliation
Eliminate multi-day settlement delays. Our on-chain billing engine finalizes payments and updates ledgers in under one second, enabling real-time treasury management and eliminating reconciliation errors.
< 1 sec
Settlement Finality
0
Manual Reconciliation
03
Scalable Multi-Chain Billing
Collect recurring revenue across Ethereum, Solana, Polygon, and other major L1/L2 networks from a single dashboard. Our architecture abstracts away chain complexity, supporting millions of automated transactions per month.
10+
Supported Chains
99.9%
Uptime SLA
05
Reduced Operational Costs
Replace legacy payment processors and manual billing teams with a unified, automated system. Clients typically see a 40-60% reduction in payment processing fees and administrative costs within the first quarter.
40-60%
Cost Reduction
< 2 weeks
ROI Realization
06
Faster Time-to-Market
Launch new subscription products or tokenized services in weeks, not months. Our modular, API-first platform integrates with your existing stack, requiring minimal engineering lift for deployment.
2-4 weeks
Average Deployment
REST & Webhook APIs
Integration Method
Make the Right Infrastructure Choice
Chainscore vs. Building In-House or Using Generic Solutions
A detailed comparison of development approaches for a secure, compliant, and scalable recurring billing system on-chain.
| Key Factor | Build In-House | Generic SaaS | Chainscore |
|---|---|---|---|
Time to Market | 6-12+ months | 2-4 weeks | 4-8 weeks |
Initial Development Cost | $200K - $500K+ | $10K - $50K/yr | $50K - $150K |
On-Chain Security & Audits | Your responsibility | Not applicable | Pre-audited, battle-tested contracts |
Regulatory Compliance (AML/KYC) | Custom integration | Basic, one-size-fits-all | Modular, institution-ready modules |
Multi-Chain & Multi-Currency Support | Custom per chain | Limited (1-2 chains) | Native support (EVM & non-EVM) |
Smart Contract Upgradability & Admin | Custom implementation | None / Vendor-locked | Managed, secure upgrade paths |
Ongoing Maintenance & DevOps | Full internal team | Vendor handles, limited control | Optional SLA with 24/7 monitoring |
Custom Business Logic & Branding | Full control | Minimal to none | Tailored to your specific revenue model |
Total Cost of Ownership (Year 1) | $250K - $600K+ | $15K - $60K | $65K - $180K |
Enterprise SLA & Support | Build internally | Business hours only | 99.9% Uptime, <4h response SLA |
Fixed-Scope, Predictable Delivery
6-Week Delivery Timeline: From Discovery to Production
Our proven 6-week sprint delivers a production-ready, audited recurring billing system. Each phase includes specific deliverables and client checkpoints.
| Week | Phase | Key Activities | Client Deliverables |
|---|---|---|---|
1 | Discovery & Scoping | Requirements workshop, architecture review, token standards selection (ERC-20, ERC-4626) | Technical specification document, project roadmap, smart contract scope |
2-3 | Core Development | Smart contract development (Solidity), unit testing, initial integration stubs | Development environment access, weekly progress demos, testnet deployment |
4 | Security & Audit | Internal code review, automated vulnerability scanning, formal verification setup | Preliminary audit report, security findings log, mitigation plan |
5 | Integration & Testing | API layer development, frontend SDK, end-to-end testing on testnet | Integration guide, staging environment, client UAT (User Acceptance Testing) |
6 | Deployment & Launch | Mainnet deployment, final security audit, monitoring dashboard setup, documentation | Production-ready system, final audit certificate, admin dashboard access, launch support |
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
We architect, develop, and deploy custom smart contracts on EVM-compatible chains like Ethereum, Polygon, and Arbitrum. Our contracts are built for security, gas efficiency, and scalability from day one.
Deliver a secure, audited, and fully functional smart contract system in 2-4 weeks.
- Custom Logic: Tailored
ERC-20,ERC-721,ERC-1155, and bespoke contract development. - Security-First: Built with
OpenZeppelinstandards and prepared for third-party audits. - Gas Optimization: Expert-level techniques to minimize transaction costs for your users.
- Full Lifecycle: From initial spec and development to deployment, verification, and on-chain monitoring.
Institutional-Grade Billing
Frequently Asked Questions
Get clear answers on how we build secure, compliant, and scalable recurring billing systems for Web3 businesses.
A standard deployment for a production-ready, audited system takes 4-6 weeks. This timeline includes requirements analysis, smart contract development, integration with your frontend, security audits, and a staging deployment. For more complex integrations with existing ERP or accounting systems, the timeline may extend to 8-10 weeks. We provide a detailed project plan within the first week of engagement.
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