We architect and deploy custom smart contracts on EVM chains (Ethereum, Polygon, Arbitrum) and Solana. Our development process is built on security-first principles with formal verification, gas optimization, and comprehensive audit preparation.
Cross-Chain Gasless Payments
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts for your protocol or dApp.
From concept to mainnet, we deliver battle-tested code that protects your assets and your users.
- Full Lifecycle Development: Ideation, architecture,
Solidity/Rustdevelopment, testing, deployment, and post-launch monitoring. - Security & Audits: Code follows
OpenZeppelinstandards, includes unit/integration tests, and is prepped for leading auditors like CertiK and Quantstamp. - Gas Optimization: We reduce transaction costs by 20-40% through efficient storage patterns and contract architecture.
- Integration Ready: Contracts are built for seamless integration with frontends, oracles (
Chainlink), and cross-chain bridges.
Core Capabilities of Our Gasless Relayer Service
Our managed service abstracts the complexity of cross-chain transaction sponsorship, allowing your users to interact with any dApp without holding native gas tokens. We handle the infrastructure so you can focus on product growth.
Multi-Chain Transaction Sponsorship
We sponsor gas fees for user transactions across Ethereum, Arbitrum, Optimism, Polygon, and Base. Users pay in any ERC-20 token, eliminating the need to acquire and manage native ETH or MATIC.
Deterministic Fee Recovery
Our system guarantees 100% recovery of sponsored gas costs. We use meta-transactions with verifiable signatures and secure off-chain accounting, ensuring your treasury is never at risk.
High-Performance Relayer Network
Deploy with a globally distributed network of relayers for sub-2-second transaction submission and 99.9% uptime SLA. Automatic failover ensures user transactions never stall.
Enterprise Security & Compliance
Built with OpenZeppelin standards and regularly audited. Includes rate limiting, anti-abuse measures, and SOC 2 Type II compliant infrastructure for regulated fintechs.
Flexible Billing & Analytics
Pay-as-you-go pricing with volume discounts. Access a real-time dashboard to monitor transaction volume, gas costs, and user adoption metrics with granular filtering.
Business Outcomes: Why Gasless Payments Drive Growth
Cross-chain gasless payments are not just a technical feature—they are a strategic growth lever. By removing the fundamental friction of blockchain transactions, you unlock new user segments and revenue streams.
Eliminate Onboarding Friction
Users can transact without holding native tokens, removing the single biggest barrier to entry. This expands your addressable market to mainstream, non-crypto-native users.
Increase Transaction Volume
Frictionless, predictable costs encourage more frequent and higher-value interactions. Users are no longer deterred by volatile gas fees or complex bridging steps.
Reduce Operational Costs
Our meta-transaction infrastructure abstracts gas management. You gain predictable billing, batch processing, and automated fee sponsorship, reducing your per-transaction overhead.
Enhance User Retention
A seamless, predictable payment experience keeps users engaged. No failed transactions due to insufficient gas means higher satisfaction and lower churn.
Unlock New Business Models
Sponsor transactions for users, offer subscription services, or implement paymaster logic. Gasless infrastructure enables innovative monetization strategies previously impossible.
Future-Proof Your Stack
Built on ERC-4337 Account Abstraction and our cross-chain relay network. Your payment system scales seamlessly across Ethereum, Polygon, Arbitrum, and other major L2s.
Build vs. Buy: Partnering vs. In-House Development
A detailed comparison of the time, cost, and risk involved in building a cross-chain gasless payment system internally versus partnering with Chainscore's experts.
| Development Factor | Build In-House | Partner with Chainscore |
|---|---|---|
Time to First Live Transaction | 6-12 months | 4-8 weeks |
Upfront Engineering Cost | $250K - $600K+ | $75K - $200K |
Security & Audit Overhead | High (unaudited, custom code) | Low (pre-audited, battle-tested modules) |
Cross-Chain Protocol Expertise | Must hire/develop (ERC-4337, CCIP, Axelar) | Included (team of protocol specialists) |
Ongoing Maintenance & Upgrades | Your team's responsibility | Managed service with optional SLA |
Smart Contract Audit Coverage | Additional $50K+ & 8-12 weeks | Included in deployment package |
Multi-Chain Relayer Infrastructure | Build & manage your own | Provided as a scalable service |
Total Year 1 Cost (Est.) | $300K - $750K+ | $125K - $300K |
Our Delivery Process: From Architecture to Maintenance
We follow a rigorous, client-focused process to deliver production-ready cross-chain gasless payment systems. Each phase is designed for transparency, security, and rapid time-to-market.
1. Discovery & Architecture Design
We conduct a technical deep-dive to define your specific cross-chain flows, token standards, and target chains. Deliverables include a detailed technical specification and architecture diagram.
2. Smart Contract Development & Auditing
Our engineers build modular, upgradeable smart contracts for gas abstraction and cross-chain messaging. All code undergoes internal review and is prepared for third-party audit.
3. Relayer & Infrastructure Deployment
We deploy and configure the off-chain relayer network, RPC endpoints, and monitoring dashboards. This includes stress testing and configuring failover mechanisms.
4. Integration & SDK Handoff
We provide a tailored SDK and comprehensive documentation for your engineering team, followed by paired programming sessions to integrate the gasless system into your dApp.
5. Production Launch & Monitoring
We manage the mainnet launch, including final security checks and liquidity bridging. Real-time monitoring for transaction success rates, relayer health, and gas costs is established.
6. Ongoing Maintenance & Upgrades
We offer SLA-backed maintenance packages covering relayer uptime, smart contract upgrades for new chains, and periodic security reviews to ensure long-term system integrity.
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts that form the foundation of your Web3 application. Our development process ensures security, gas efficiency, and upgradability from day one.
- Full Lifecycle Development: From initial concept and technical design to deployment, verification, and ongoing maintenance.
- Protocol-Specific Expertise:
ERC-20,ERC-721,ERC-1155,ERC-4626, and custom standards for DeFi, NFTs, and DAOs. - Security-First Approach: Code reviews, adherence to
OpenZeppelinbest practices, and preparation for third-party audits.
Deliver a battle-tested, auditable codebase that reduces risk and accelerates your time-to-market.
Frequently Asked Questions
Get clear answers about our development process, security, and support for your gasless payment solution.
A standard implementation takes 2-4 weeks from kickoff to mainnet deployment. This includes smart contract development, integration with our relay infrastructure, and frontend SDK setup. Complex features like multi-token support or custom fee logic can extend this timeline, which we scope and quote for upfront.
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.