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 libraries and follows industry-standard security patterns to mitigate risks from day one.
LABS
Services
Account Abstraction for User-Friendly Subscriptions
We implement ERC-4337 and session keys to build subscription services with gasless sign-ups, automated payments, and mainstream UX. Reduce user drop-off by 90%.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts for your protocol.
From tokenomics to complex DeFi logic, we translate your business rules into gas-efficient, auditable code.
- End-to-End Development: Full lifecycle from architecture and coding to deployment on
EVMchains like Ethereum, Polygon, and Arbitrum. - Security-First Approach: Mandatory internal audits, formal verification where applicable, and preparation for third-party audits by firms like CertiK or Quantstamp.
- Key Deliverables:
ERC-20,ERC-721,ERC-1155tokens, custom DeFi vaults, governance systems, and bespoke protocol logic. - Guaranteed Outcome: Production-ready contracts with comprehensive documentation, enabling a 2-4 week MVP launch for standard projects.
key-features-cards
ENGINEERED FOR SCALE
Core Technical Capabilities
We build the secure, scalable infrastructure that powers subscription models for millions of users. Our solutions are built on battle-tested standards and audited security practices.
02
Secure Smart Contract Development
Custom subscription logic built in Solidity 0.8+ with OpenZeppelin libraries. Every contract undergoes formal verification and third-party audits before deployment.
100%
Audit Coverage
0 Critical
Vulnerabilities
03
Gas Optimization & Bundling
Reduce user transaction costs by up to 40% with our proprietary bundler service and gas estimation algorithms. Achieve predictable, low-cost recurring payments.
40%
Avg. Gas Savings
< 5 sec
Bundler Latency
04
Paymaster Integration
Seamlessly integrate flexible paymaster contracts for gas fee sponsorship, fiat on-ramps, and multi-currency payment options. Maintain full control over subsidy logic.
05
Multi-Chain Deployment
Deploy your subscription service across Ethereum, Polygon, Arbitrum, and other EVM-compatible chains from a single codebase. We manage the cross-chain complexity.
10+
Supported Chains
1 Codebase
Unified Logic
06
Real-Time Analytics & Monitoring
Monitor user activity, subscription health, and contract performance with our dashboard. Get alerts for failed payments and system anomalies.
24/7
Monitoring
99.9% SLA
Uptime
benefits
KEY METRICS
Business Outcomes You Can Measure
Our Account Abstraction service delivers quantifiable improvements to your subscription business. Track these core KPIs to measure success.
01
User Onboarding Conversion
Eliminate seed phrase friction with social logins and email/password. We deliver a sign-up flow that matches Web2 expectations, directly increasing your activation rate.
70%+
Typical Conversion Lift
< 60 sec
First-Time Setup
02
Subscription Renewal Success
Implement automated, gasless renewals via smart contract wallets. Remove payment failures due to empty wallets, ensuring predictable, recurring revenue.
> 95%
Renewal Success Rate
$0
User Gas Costs
03
Operational Cost Reduction
Batch user operations and sponsor gas for key actions. We architect your system to minimize on-chain transaction costs and customer support overhead.
60-80%
Gas Cost Savings
50%
Support Ticket Reduction
04
Time-to-Market Acceleration
Leverage our pre-audited Account Abstraction modules and SDKs. Deploy a production-ready, user-friendly subscription system in weeks, not months.
2-4 weeks
Typical Deployment
ERC-4337
Standard Compliant
05
Security & Compliance Assurance
Build on OpenZeppelin contracts with multi-sig recovery and session keys. Our implementations undergo rigorous internal audits, providing a secure foundation for your business.
Zero
Critical Vulnerabilities
OpenZeppelin
Audited Standards
06
Developer Velocity
Integrate with our TypeScript SDK and comprehensive APIs. Your team spends time on product logic, not wallet infrastructure, accelerating feature development.
< 1 day
SDK Integration
24/7
Technical Support
Structured Delivery for Predictable Outcomes
Phased Development & Integration
Our phased approach to Account Abstraction integration ensures a clear roadmap from initial design to full-scale production, minimizing risk and aligning with your development sprints.
| Phase & Deliverables | Discovery & Design | Core Implementation | Production & Scale |
|---|---|---|---|
Technical Architecture Review | |||
Custom Smart Contract Suite | |||
Paymaster & Bundler Integration | |||
Frontend SDK & API Integration | |||
Security Audit & Penetration Testing | |||
Deployment to Mainnet | |||
Performance & Gas Optimization | Analysis | Implementation | Monitoring |
Ongoing Support & Maintenance | Ad-hoc | SLA: Business Hours | SLA: 24/7 |
Typical Timeline | 1-2 weeks | 3-6 weeks | Ongoing |
Estimated Investment | $5K - $15K | $25K - $75K | Custom SLA |
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications, from concept to mainnet deployment.
We architect and deploy production-grade smart contracts that form the immutable foundation of your Web3 application. Our development process is built on security-first principles, utilizing battle-tested libraries like OpenZeppelin and adhering to the latest Solidity 0.8+ standards.
We deliver contracts that are secure by design, not just by audit.
Our full-cycle service includes:
- Custom Logic & Architecture: Token standards (
ERC-20,ERC-721,ERC-1155), DeFi primitives, governance systems, and bespoke business logic. - Rigorous Security Audits: Multi-stage review process, including automated analysis, manual code review, and formal verification for critical functions.
- Gas Optimization: We write efficient code to reduce user transaction costs by 15-40% on average, a critical factor for adoption.
- Mainnet Deployment & Verification: Full support for deployment, Etherscan verification, and initial configuration on your target chain.
Partner with us to move from a concept to a live, secure contract in as little as 2-4 weeks. We ensure your core business logic is robust, efficient, and ready to scale.
Account Abstraction for Subscriptions
Frequently Asked Questions
Get clear answers on how we build secure, user-friendly subscription systems using ERC-4337 and smart accounts.
We follow a structured 4-phase process: Discovery & Design (1 week) to define requirements and user flows, Smart Contract Development (2-3 weeks) using Solidity 0.8+ and OpenZeppelin libraries, Integration & Testing (1-2 weeks) with comprehensive unit and integration tests, and Deployment & Handoff (1 week). We use agile sprints with weekly demos to ensure alignment and transparency throughout the project.
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