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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

Account Abstraction Paymaster Integration

We integrate ERC-4337 smart accounts and paymasters with fiat payment rails, enabling gasless user onboarding, sponsored transactions, and complex payment logic to eliminate Web3 entry barriers.
Chainscore © 2026
overview
FOUNDATION

Blockchain Infrastructure Development

Build and scale secure, high-performance blockchain backends tailored for Web3 products.

We architect and implement the core infrastructure your application needs to succeed. This includes custom RPC nodes, indexers, and data pipelines that deliver 99.9% uptime and sub-second latency for a seamless user experience.

  • Node Operations: Managed EVM and Solana validators with multi-cloud redundancy.
  • Data & Indexing: Real-time on-chain data ingestion and structured APIs for ERC-20, ERC-721, and custom events.
  • Security & Reliability: Infrastructure as Code (IaC) deployment, DDoS protection, and comprehensive monitoring with Grafana/Prometheus.

Focus on your product's logic while we ensure the underlying chain connectivity is robust, performant, and cost-optimized. We deliver production-ready infrastructure in weeks, not months.

key-features-cards
ENTERPRISE-GRADE

Core Paymaster Integration Capabilities

We deliver the foundational infrastructure to abstract gas fees, enabling seamless user onboarding and predictable operational costs for your Web3 application.

01

Gas Abstraction & Sponsorship

Implement flexible gas sponsorship models—from pay-per-user to session keys—so your users never need native tokens to transact. We handle the complexity of gas estimation, fee delegation, and multi-chain subsidy.

0
Gas for End-Users
Multi-Chain
Sponsorship
02

Smart Account Integration

Seamlessly integrate with ERC-4337-compliant smart account providers (Safe, Biconomy, ZeroDev) and custom account factories. We ensure secure, upgradeable account logic for batch transactions and social recovery.

ERC-4337
Compliant
Zero Trust
Architecture
03

Policy Engine & Risk Management

Deploy a configurable rules engine to define sponsorship policies based on user, DApp, transaction type, and value. Enforce limits, whitelists, and real-time fraud detection to control costs and mitigate abuse.

Real-Time
Fraud Checks
Granular
Policy Controls
04

Multi-Chain Relay Infrastructure

Connect to a high-availability relay network with automatic failover across Ethereum, Polygon, Arbitrum, and other EVM chains. We ensure sub-second relay times and 99.9% uptime for transaction bundling.

99.9%
Uptime SLA
< 1 sec
Relay Time
06

Audited Security & Compliance

Build on a foundation of security. Our paymaster contracts and relay infrastructure undergo regular audits by leading firms. We implement best practices for private key management and transaction validation.

Third-Party
Audits
SOC 2
Framework
benefits
MEASURABLE IMPACT

Business Outcomes: From Friction to Conversion

Our Paymaster Integration directly addresses the core UX barriers that hinder Web3 adoption. We translate technical infrastructure into tangible business results: higher user retention, lower acquisition costs, and predictable operational scaling.

01

Eliminate Onboarding Friction

Users sign up with an email or social login—no wallet setup, seed phrases, or initial gas fees. We handle the first transaction, converting curious visitors into active users instantly.

Client Value: Slash drop-off rates by up to 70% at the sign-up stage.

70%
Lower Sign-Up Drop-off
< 10 sec
First Transaction Time
02

Guarantee Transaction Success

Our intelligent gas sponsorship and fee abstraction ensure user transactions never fail due to insufficient native tokens or network congestion. Users experience Web3 with Web2 reliability.

Client Value: Achieve >99.5% first-try transaction success rates, eliminating support tickets and user frustration.

>99.5%
Tx Success Rate
24/7
Gas Price Monitoring
03

Enable Predictable Subscription Models

Implement recurring billing, trial periods, and usage-based pricing with stable fiat quotes. Users pay in stablecoins or credit cards; you receive predictable revenue without crypto volatility.

Client Value: Unlock SaaS-style recurring revenue models and improve LTV predictability by over 40%.

40%+
LTV Predictability Gain
0
Volatility Exposure
04

Scale with Enterprise-Grade Security

Every integration is built on audited smart account frameworks (like Safe{Core}) with multi-sig admin controls, automated compliance checks, and real-time fraud detection. Your growth is never compromised.

Client Value: Deploy with institutional-grade security from day one, backed by formal verification and runtime monitoring.

100%
Audited Core Code
< 50 ms
Fraud Check Latency
05

Optimize & Control Gas Economics

Our dynamic fee management uses batched transactions, gas estimation oracles, and custom sponsorship rules. You control the subsidy model (full, partial, capped) with real-time analytics on cost-per-user.

Client Value: Reduce your effective cost-per-transaction by 15-30% through intelligent batching and sponsorship logic.

15-30%
Cost-Per-Tx Reduction
Real-time
Spend Dashboard
06

Accelerate Time-to-Market

Leverage our pre-built modules for popular wallets (Safe, Biconomy, ZeroDev) and chains (Ethereum, Polygon, Arbitrum). Go from concept to live pilot in weeks, not months, with dedicated integration support.

Client Value: Launch your gasless product experience in 2-4 weeks, focusing your team on core innovation, not infrastructure.

2-4 weeks
To Live Pilot
10+
Pre-built Chain Modules
Paymaster Integration Tiers

Structured Delivery: From MVP to Enterprise Scale

Choose the right engagement model for your project's stage and requirements, from a rapid proof-of-concept to a fully managed, high-volume production system.

CapabilityStarter (MVP)Professional (Growth)Enterprise (Scale)

Custom Paymaster Smart Contract

Gas Sponsorship Logic & Policy Engine

Basic

Advanced

Custom Rules

Multi-Chain Deployment Support

1 Network

Up to 3 Networks

Unlimited Networks

Integration Complexity

Standard ERC-4337

ERC-4337 + Session Keys

Full AA Stack + Custom Modules

Security Audit & Formal Verification

Basic Review

Full Audit Report

Audit + Ongoing Monitoring

Developer Support & Handoff

Documentation

2 Weeks Support

Dedicated Technical Account Manager

Infrastructure & RPC Management

Self-Hosted

Chainscore Managed

Hybrid/Private Deployment

SLA & Uptime Guarantee

Best Effort

99.5%

99.9%

Response Time for Critical Issues

48h

12h

< 4h with PagerDuty

Typical Timeline

2-4 Weeks

4-8 Weeks

8-12+ Weeks

Typical Engagement

$15K - $30K

$50K - $150K

Custom Quote

how-we-deliver
PROVEN PROCESS

Our Integration Methodology

We deliver secure, production-ready paymaster integrations in weeks, not months. Our battle-tested methodology ensures your users never pay gas fees while you maintain full control and visibility.

01

Architecture & Strategy Review

We analyze your dApp's user flows and transaction patterns to design an optimal gas sponsorship model. This includes defining sponsorship rules, cost recovery strategies, and selecting the right ERC-4337 Bundler and Paymaster contracts.

1-3 days
Design Sprint
Zero Commit
Initial Review
02

Smart Contract Development & Audit

Our team builds custom, gas-optimized Paymaster contracts using Solidity 0.8+ and OpenZeppelin libraries. Every contract undergoes internal review and is prepared for external security audits by firms like CertiK or Quantstamp.

OpenZeppelin
Security Standard
2-3 weeks
Dev & Review
03

Bundler & Relayer Integration

We deploy and configure a high-availability ERC-4337 Bundler (like Stackup, Alchemy, or our managed node) and integrate it with your custom Paymaster. We ensure sub-second UserOperation processing with 99.9% uptime SLA.

99.9%
Uptime SLA
< 1 sec
Op Finality
04

SDK Implementation & Testing

We integrate our lightweight SDK or work with your existing stack (Ethers.js, Viem, Wagmi) to enable gasless transactions. Comprehensive testing includes unit, integration, and load testing simulating 10k+ concurrent UserOperations.

Full Test Suite
Coverage
10k+ Ops/sec
Load Tested
05

Staging Deployment & Security Audit

We deploy the complete system to a staging environment matching mainnet conditions. We facilitate the final external smart contract audit and implement all recommendations before production sign-off.

CertiK / Quantstamp
Audit Partners
100%
Issue Resolution
06

Production Launch & Monitoring

We manage the mainnet deployment and provide a real-time dashboard for monitoring gas sponsorship costs, user adoption, and system health. Includes 24/7 alerting and dedicated technical support.

Real-time
Cost Dashboard
24/7
Support
security
SECURE, AUDITED CODE

Custom Smart Contract Development

Expertly engineered smart contracts that are secure, gas-optimized, and tailored to your specific business logic.

We architect and deploy production-grade smart contracts that form the trustless backbone of your application. Our development process is built on a foundation of security-first principles and rigorous testing.

  • Security Audits: Every contract undergoes internal and third-party audits before mainnet deployment, following OpenZeppelin standards.
  • Gas Optimization: We write efficient Solidity 0.8+ code to minimize transaction costs for your users.
  • Full Customization: From custom ERC-20/721/1155 tokens to complex DeFi protocols and DAO governance systems.

Deliver a secure, audited, and fully functional smart contract suite in as little as 2-4 weeks, accelerating your path to a secure mainnet launch.

Technical & Commercial Considerations

Paymaster Integration: Key Questions

Answers to the most common questions CTOs and product leads ask when evaluating a paymaster integration partner.

A standard ERC-4337 paymaster integration with a single sponsorship model (e.g., gasless transactions) typically takes 2-3 weeks from kickoff to mainnet deployment. Complex deployments with multi-chain support, custom validation logic, or token-based fee mechanisms can extend to 4-6 weeks. We provide a detailed project plan with weekly milestones during the initial scoping call.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team