We architect and deploy custom smart contracts that form the backbone of your Web3 product. Our development process is built on audited security patterns and gas-optimized code to ensure reliability and cost-efficiency from day one.
LABS
Services
Subscription Billing Crypto Wallet
A programmable wallet infrastructure with native logic for automated recurring payments, subscription lifecycle management, proration, and dunning. Built for SaaS, content, and membership platforms.
Chainscore © 2026
overview
CORE INFRASTRUCTURE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Token Systems:
ERC-20,ERC-721,ERC-1155with custom minting, vesting, and governance logic. - DeFi Protocols: Automated Market Makers (AMMs), staking pools, yield aggregators, and lending/borrowing modules.
- Enterprise Logic: Multi-signature wallets, access control systems, and compliant asset management frameworks.
- Full Audit Support: Code review, formal verification, and preparation for third-party audits from firms like CertiK or OpenZeppelin.
We deliver production-ready contracts in 2-4 weeks, with a focus on upgradability, security, and seamless integration into your existing stack.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Billing & Wallet Capabilities
We deliver the foundational wallet and billing modules that power recurring revenue for Web3 SaaS, DeFi, and NFT platforms. Our battle-tested infrastructure handles the complexity so you can focus on growth.
01
Automated Subscription Billing Engine
Deploy a fully automated, on-chain subscription engine supporting multiple billing cycles (monthly, annual), proration, and trial periods. Integrates seamlessly with your existing payment rails.
< 2 weeks
Integration Time
99.9%
Settlement Accuracy
02
Multi-Chain Smart Contract Wallets
Secure, non-custodial wallet infrastructure with social recovery, session keys for seamless UX, and support for EVM chains (Ethereum, Polygon, Arbitrum) and Solana. Built with OpenZeppelin standards.
5+ Chains
Native Support
SOC 2 Type II
Security Compliance
03
Real-Time Payment Analytics & Webhooks
Gain instant visibility into cash flow with dashboards tracking MRR, churn, and lifetime value. Configurable webhooks trigger events for successful payments, failures, and renewals.
Real-time
Data Latency
50+ Metrics
Pre-built Reports
04
Compliance & Fraud Prevention Layer
Built-in AML/KYC checks, transaction monitoring, and geofencing. Automated compliance workflows for sanction screening and risk scoring to protect your platform and users.
< 100ms
Check Latency
Certified
Chainalysis Integration
05
Developer-First APIs & SDKs
Comprehensive REST APIs and frontend SDKs (React, Vue) for rapid integration. Full-featured developer portal with sandbox environment and detailed API documentation.
24/7
Dev Support SLA
< 5 Min
SDK Setup
06
Gas Optimization & Cost Management
Proprietary gas estimation and sponsorship mechanisms reduce user friction. Batch transactions and implement meta-transactions to abstract gas costs entirely for your end-users.
Up to 40%
Gas Savings
Paymaster
Integrated Solution
benefits
TANGIBLE RESULTS
Business Outcomes for Your Platform
Our subscription billing wallet development delivers measurable improvements to your core business metrics, from revenue predictability to user retention.
01
Predictable, Recurring Revenue
Automate subscription collection in crypto with configurable billing cycles (monthly, quarterly, annual). Reduce revenue volatility and improve cash flow forecasting with on-chain, verifiable payment streams.
90%
On-Time Collection
0%
Chargeback Risk
02
Reduced Churn & Higher LTV
Implement automated grace periods, dunning management, and easy renewal flows. Reduce involuntary churn from failed payments and increase customer lifetime value through seamless subscription management.
40%
Lower Churn
3x
Higher LTV
03
Enterprise-Grade Security & Compliance
Built with OpenZeppelin standards and audited by leading security firms. Features multi-sig treasury management, role-based access control, and compliance-ready transaction reporting for enterprise adoption.
100%
Audit Coverage
SOC 2
Compliance Ready
04
Faster Time-to-Market
Leverage our pre-built, modular smart contract suite for subscriptions (ERC-1337/ERC-948 patterns) and wallet infrastructure. Deploy a production-ready system in weeks, not months.
< 4 weeks
To Launch
50+
Pre-built Modules
05
Seamless Multi-Chain & Fiat Integration
Support subscriptions across Ethereum, Polygon, Solana, and other major L2s. Optional fiat on-ramp integration allows users to pay with credit cards while you receive crypto, expanding your addressable market.
10+
Chains Supported
5
Fiat Gateways
06
Scalable Infrastructure & Analytics
Deploy on our managed node infrastructure with 99.9% SLA. Gain real-time insights into MRR, churn rate, and user cohorts through dedicated dashboards for data-driven decisions.
99.9%
Uptime SLA
Real-time
Revenue Dashboards
Subscription Billing Wallet Infrastructure
Build vs. Buy vs. Our Managed Service
A clear comparison of approaches for implementing recurring crypto payments, highlighting the operational and financial impact of each path.
| Key Factor | Build In-House | Buy Off-the-Shelf | Chainscore Managed Service |
|---|---|---|---|
Time to Launch | 6-12 months | 2-4 weeks | 4-8 weeks |
Upfront Development Cost | $150K-$400K | $10K-$50K License | $50K-$150K |
Smart Contract Security | High Risk (Unaudited) | Medium Risk (Vendor Audited) | Low Risk (Formally Audited + Bug Bounty) |
Protocol & Chain Support | Your team's capacity | Vendor's roadmap | Ethereum, Polygon, Arbitrum, Base, Solana |
Custom Business Logic | Full control | Limited or none | Tailored to your model |
Compliance & Tax Engine | Build from scratch | Basic features | Built-in (1099, VAT, AML screening) |
Ongoing Maintenance & Upgrades | Full DevOps team required | Vendor patches & updates | Fully managed with 99.9% SLA |
Support & Incident Response | Internal on-call | Business hours, ticket-based | 24/7 SRE with <1h P1 response |
Total Cost of Ownership (Year 1) | $300K-$600K+ | $75K-$125K | $80K-$180K |
how-we-deliver
PREDICTABLE, TRANSPARENT, AND FAST
Our Delivery Process: From Specification to Live Billing
We deliver production-ready subscription billing for crypto wallets in 4-6 weeks through our structured, milestone-driven process. Each phase has clear deliverables and expert oversight, ensuring your product launches on time and on budget.
01
1. Discovery & Specification
We conduct a 2-day technical workshop to define your exact billing logic, token standards (ERC-20, ERC-777), and integration requirements. You receive a detailed technical specification document and a fixed-price project quote.
2 Days
Workshop
Fixed Price
Quote
02
2. Architecture & Smart Contract Development
Our engineers design and build the core subscription smart contracts using Solidity 0.8+ and OpenZeppelin libraries. This includes payment streaming logic, proration calculations, and admin controls, all following security-first patterns.
Solidity 0.8+
Standard
OpenZeppelin
Security Base
03
3. Security Audit & Testing
Every contract undergoes rigorous unit, integration, and scenario testing. We provide a comprehensive audit report and implement fixes before proceeding. Optional third-party audits with firms like Spearbit can be arranged.
100%
Line Coverage
Audit Report
Delivered
04
4. Frontend Integration & Wallet SDK
We deliver a React-based admin dashboard for managing plans and a lightweight SDK for seamless integration into your existing wallet UI. Includes hooks for real-time subscription status and payment events.
React SDK
Included
TypeScript
Full Support
05
5. Staging Deployment & Client Review
The complete system is deployed to a testnet (Sepolia, Mumbai) for your team to review. We conduct a final walkthrough, gather feedback, and make any configuration adjustments before mainnet launch.
Testnet
Full Deployment
Live Demo
Walkthrough
06
6. Mainnet Launch & 30-Day Support
We handle the secure mainnet deployment, provide documentation, and conduct knowledge transfer. Includes 30 days of post-launch support to ensure smooth operation and address any initial questions.
4-6 Weeks
Total Timeline
30 Days
Post-Launch Support
Choose the right plan for your subscription product
Implementation Tiers & Deliverables
Compare the scope, support, and deliverables for our standard implementation packages. All tiers include a production-ready, audited smart contract suite for recurring crypto payments.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Audited Smart Contract Suite | |||
Custom Token & Chain Configuration | 1 chain, 1 token | Up to 3 chains/tokens | Unlimited |
Frontend SDK & Integration | Basic React SDK | React & Mobile SDKs | Full-Stack SDK Suite |
Admin Dashboard | Read-only analytics | Full management console | White-labeled dashboard |
Deployment & Go-Live Support | Self-serve guides | Hands-on deployment | Dedicated launch manager |
Smart Contract Upgrades | Manual process | Managed upgrade path | Automated, gasless upgrades |
Monitoring & Alerting | Basic health checks | Real-time dashboards + alerts | 24/7 SOC2-monitored ops |
Support SLA & Response Time | Community support | Business hours, < 12h | 24/7, < 1h critical |
Compliance Features | Basic KYC hooks | Modular KYC/AML plugins | Custom regulatory workflow engine |
Estimated Implementation Timeline | 2-3 weeks | 4-6 weeks | 8+ weeks (custom scope) |
Starting Price | $25,000 | $75,000 | Custom Quote |
Subscription Billing Wallet
Frequently Asked Questions
Get clear answers about our development process, security, and support for your custom subscription billing wallet.
For a standard subscription billing wallet with core features (recurring payments, admin dashboard, multi-chain support), we deliver a production-ready MVP in 4-6 weeks. Complex integrations with existing ERP/CRM systems or custom tokenomics can extend this to 8-12 weeks. We use an agile sprint model, providing weekly demos and a fixed launch date.
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