We architect and deploy custom smart contracts on EVM and Solana chains, from ERC-20/721 tokens to complex DeFi protocols. Our process ensures gas-optimized code and audit-ready logic from day one.
LABS
Services
Account Abstraction Gas Sponsorship Manager
A managed API service to design, implement, and operate compliant gas sponsorship and fee abstraction models for ERC-4337, improving user onboarding and reducing drop-off.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Security-First Development: Built with
OpenZeppelinstandards and formal verification patterns. - Full Lifecycle Support: Development, testing (
Hardhat/Foundry), deployment, and upgrade management viaProxypatterns. - Compliance Ready: Integrate on-chain
KYCmodules, fee structures, and multi-sig controls.
Deliver a secure, auditable foundation for your token economy or dApp in as little as 2-4 weeks.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our Sponsorship Manager
Our Account Abstraction Gas Sponsorship Manager provides the critical infrastructure layer for Web3 products, enabling seamless user onboarding and predictable operational costs. Built for scale and security.
01
ERC-4337 Paymaster Integration
Seamless integration with ERC-4337 standards for user operation sponsorship. We handle the complexity of bundler and paymaster coordination, ensuring reliable transaction inclusion and finality.
ERC-4337
Standard
Multi-Chain
Support
02
Flexible Sponsorship Policies
Define granular rules for gas fee coverage. Sponsor transactions based on user type, contract interaction, token type, or custom logic. Set daily/monthly limits and whitelists for precise cost control.
Real-time
Policy Updates
Granular
Rule Engine
03
Multi-Chain & Multi-Asset Support
Sponsor gas fees across Ethereum, Polygon, Arbitrum, Optimism, and other EVM-compatible chains. Accept payment and cover costs in native tokens or stablecoins like USDC.
10+
Networks
Any ERC-20
Asset Support
04
Real-Time Analytics & Cost Dashboard
Monitor sponsorship usage, user adoption, and gas expenditure with a comprehensive dashboard. Track metrics per application, user segment, and smart contract to optimize your growth strategy.
Real-time
Metrics
Exportable
Reports
05
Enterprise-Grade Security & Reliability
Infrastructure built with security-first principles. Includes rate limiting, fraud detection, and automated alerting. Deployed with high availability across multiple cloud regions.
99.9%
Uptime SLA
24/7
Monitoring
benefits
ENTERPRISE VALUE
Business Outcomes: Beyond Technical Implementation
Our Account Abstraction Gas Sponsorship Manager delivers measurable business results, from user acquisition to operational efficiency. We focus on outcomes that impact your bottom line.
01
Seamless User Onboarding
Remove the friction of gas fees for new users. Enable one-click transactions and social logins to increase conversion rates by up to 40% and dramatically lower the barrier to entry.
40%
Higher Conversion
0 Gas
For End Users
02
Predictable Operational Costs
Replace volatile, user-paid gas with a fixed, subsidized model. Gain full visibility and control over your customer acquisition cost (CAC) with real-time analytics and budget caps.
Fixed CAC
Cost Model
Real-Time
Spend Analytics
03
Enhanced Security & Compliance
Leverage our battle-tested, audited smart account infrastructure. We implement multi-signature policies and transaction limits to protect your sponsorship funds from misuse or exploits.
Audited
Smart Contracts
Policy-Based
Spend Controls
04
Faster Time-to-Market
Deploy a production-ready gas sponsorship system in under 2 weeks. Our modular SDKs and APIs integrate directly with your existing wallet or dApp frontend, eliminating months of development.
< 2 Weeks
To Launch
Modular SDK
Integration
05
Scalable Infrastructure
Built for high-volume applications. Our system handles thousands of sponsored transactions per second across EVM chains with 99.9% uptime, ensuring reliability as you grow.
99.9%
Uptime SLA
1000+ TPS
Sponsored Tx
06
Competitive Market Advantage
Differentiate your product with a superior UX. Offering gasless transactions is a proven driver for user retention and can be a key feature in your GTM strategy against competitors.
Higher
User Retention
Key GTM
Feature
Choose the Right Level of Support
Implementation Tiers for Gas Sponsorship Manager
Compare our structured service tiers for deploying and managing a custom Account Abstraction Gas Sponsorship Manager, designed to match your project's scale and operational needs.
| Feature / Capability | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Paymaster Smart Contract | |||
ERC-4337 Bundler Integration | |||
Multi-Chain Deployment (EVM) | 1 Chain | Up to 3 Chains | Unlimited |
Gas Policy Engine & Dashboard | Basic Rules | Advanced Logic | Fully Custom |
Smart Contract Security Audit | ✓ (Basic) | ✓ (Comprehensive) | ✓ (Comprehensive + Formal Verification) |
Implementation Timeline | 4-6 weeks | 6-8 weeks | 8-12 weeks |
Deployment & Infrastructure Support | Guidance | Hands-on Support | Full Managed Service |
Monitoring & Alerting | Basic Logs | Real-time Dashboards + Alerts | 24/7 SOC Monitoring & SLA |
Developer Support & Maintenance | 3 Months | 12 Months | 24 Months + Dedicated Engineer |
Typical Project Scope | Proof-of-Concept, Early Startup | Scaling Application, Series A | Enterprise, High-Volume Platform |
Starting Engagement | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PREDICTABLE DELIVERY
Our Delivery Process: From Design to Scale
We provide a structured, milestone-driven approach to deploying your gas sponsorship infrastructure, ensuring transparency, security, and rapid time-to-market.
01
Architecture & Strategy Session
We analyze your user flows, tokenomics, and security requirements to design a custom gas sponsorship strategy. This includes selecting the optimal paymaster model (ERC-4337 Bundler, native meta-transactions) and defining sponsorship policies.
2-3 days
Strategy Finalization
100%
Requirement Alignment
02
Smart Contract Development & Audit
Our team builds and hardens your custom paymaster and policy contracts using Solidity 0.8+ with OpenZeppelin libraries. Every contract undergoes internal review and is prepared for third-party security audits.
1-2 weeks
Development Time
Certified
Security Patterns
03
Infrastructure Integration
We deploy and configure the full stack: paymaster contracts on your target chains (Ethereum, Polygon, Arbitrum), integrate with bundler services (like Stackup, Pimlico), and set up monitoring dashboards.
< 1 week
Deployment SLA
Multi-chain
Supported
04
Testing & Security Hardening
Comprehensive testing suite execution, including unit tests, integration tests with popular wallets (Safe, Argent), and simulation of attack vectors (replay, griefing). We provide a full audit report summary.
99.9%
Test Coverage
Zero Critical
Audit Findings
05
Launch & Go-Live Support
We manage the production launch, including final contract verification on Etherscan, configuring gas fee limits, and setting up real-time alerts. Includes 30 days of post-launch monitoring and optimization support.
24/7
Launch Support
30 days
Included Monitoring
06
Scale & Optimization
Post-launch, we provide analytics on sponsorship costs and user adoption. We offer retainer services for scaling to new chains, optimizing gas policies, and implementing advanced features like session keys and batched transactions.
Ongoing
Performance Review
< 48h
Feature Update SLA
Infrastructure Decision Matrix
Build vs. Buy: Managing ERC-4337 Gas Sponsorship
A detailed comparison of the resource investment, risk, and timeline for developing a custom gas sponsorship manager versus implementing Chainscore's managed service.
| Key Factor | Build In-House | Buy with Chainscore |
|---|---|---|
Time to Production | 6-12 months | 2-4 weeks |
Initial Development Cost | $150K - $300K+ | $25K - $75K |
Annual Maintenance Cost | $80K - $150K (2-3 FTEs) | $15K - $50K (Managed SLA) |
Security Posture | High Risk (Requires Audits) | Low Risk (Pre-Audited & Battle-Tested) |
Paymaster & Bundler Management | Your responsibility | Fully managed & monitored |
Multi-Chain Deployment | Complex, per-chain integration | Single API, 10+ chains supported |
Gas Optimization Logic | Build from scratch | Dynamic strategies included |
Compliance & Reporting | Manual dashboard development | Real-time analytics & export |
Team Expertise Required | Solidity, Node.js, DevOps, Security | API Integration (Frontend/Backend) |
Support & Upgrades | Internal team handles ERC-4337 changes | Included with proactive updates |
Account Abstraction Gas Sponsorship
Frequently Asked Questions
Get clear answers about our managed gas sponsorship service, designed to remove onboarding friction and operational overhead for your Web3 application.
Our service is a managed, white-label solution. We deploy and maintain a secure, scalable Paymaster contract on your chosen network (Ethereum, Polygon, Arbitrum, etc.). Your users' gas fees for specific transactions are paid from a dedicated, pre-funded wallet we manage on your behalf. You get a real-time dashboard to monitor usage, set spending policies, and top-up funds, while we handle the infrastructure, security, and compliance.
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