We architect and deploy custom smart contracts that are secure, efficient, and ready for mainnet. Our development process is built for enterprise-grade reliability and rapid iteration.
LABS
Services
EVM Transaction Bundler Development
We build secure, high-throughput transaction bundlers for EVM chains. Enable account abstraction, gas sponsorship, and seamless user onboarding for your dApp.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, gas-optimized smart contracts built for production by Web3 experts.
From token standards to complex DeFi logic, we deliver contracts that are battle-tested and audit-ready from day one.
- Full-Stack Development:
ERC-20,ERC-721,ERC-1155, and custom protocols on Ethereum, Polygon, Solana, and other EVM/L1 chains. - Security-First Approach: Development with OpenZeppelin libraries, comprehensive unit/integration testing, and preparation for third-party audits.
- Gas Optimization: Every line of
SolidityorRustis written with gas efficiency and user cost reduction in mind. - End-to-End Delivery: We provide complete deployment scripts, verification, and documentation for your engineering team.
key-features-cards
EVM BUNDLER DEVELOPMENT
Core Capabilities We Develop
We architect and deploy high-performance transaction bundlers that form the critical infrastructure for your account abstraction stack, ensuring reliability, security, and scalability from day one.
01
Custom Bundler Architecture
We design and implement bespoke bundler nodes tailored to your specific chain, RPC provider, and user operation volume. Our solutions support ERC-4337 and native account abstraction protocols, built with modularity for future upgrades.
ERC-4337
Protocol
Modular
Architecture
02
High-Performance Mempool Management
We develop efficient mempool systems for user operations with configurable validation, prioritization, and spam protection logic. This ensures optimal transaction ordering and prevents network abuse.
Sub-second
Validation
Custom Rules
Prioritization
03
Paymaster Integration & Sponsorship
Seamlessly integrate paymaster services to enable gasless transactions for your users. We implement robust logic for sponsorship policies, token-based payments, and multi-chain fee management.
Gasless UX
Enabled
Multi-Token
Payments
04
Enterprise-Grade Reliability & Monitoring
Deploy with 99.9% uptime SLAs, comprehensive logging, real-time health dashboards, and alerting systems. We ensure your bundler infrastructure is observable and maintainable at scale.
99.9%
Uptime SLA
24/7
Monitoring
05
Multi-Chain & L2 Deployment
Expert deployment and configuration across Ethereum Mainnet, Arbitrum, Optimism, Polygon, Base, and other EVM-compatible Layer 2s. We handle chain-specific RPC optimizations and gas estimation.
EVM+
Compatibility
Optimized
RPC Setup
06
Security Audits & Best Practices
Our development follows security-first principles, incorporating audits, formal verification where applicable, and adherence to OpenZeppelin standards to protect user funds and operation integrity.
Audited
Code
OZ Standards
Compliance
benefits
PROVEN RESULTS
Business Outcomes for Your dApp
Our EVM Transaction Bundler development delivers measurable infrastructure improvements that directly impact your application's performance and your team's velocity.
01
Enhanced User Experience
Deliver sub-second transaction finality for your users, eliminating the friction of slow confirmations. Our optimized bundlers batch operations to reduce wallet pop-ups and streamline complex interactions.
< 1 sec
Avg. Finality
90%
Gas Cost Reduction
02
Robust Infrastructure
Deploy on a fault-tolerant, multi-chain bundler with automatic failover. We provide 24/7 monitoring, alerting, and a guaranteed SLA, ensuring your dApp's core transaction layer never fails.
99.9%
Uptime SLA
5+ Chains
Supported
03
Accelerated Time-to-Market
Go from concept to production in weeks, not months. We provide a complete bundler stack—RPC endpoints, mempool management, and relay integration—so your team can focus on product, not plumbing.
< 3 weeks
Deployment
Full SDK
Included
04
Cost-Effective Scaling
Dramatically lower your operational costs. Our gas optimization and efficient batching reduce L1 settlement fees, while our pay-as-you-go model eliminates the overhead of managing in-house infrastructure.
60-80%
OpEx Savings
Pay-per-Tx
Pricing Model
Choose Your Path to Production
Structured Bundler Development Packages
Compare our tiered development packages for EVM transaction bundler implementation, from initial integration to enterprise-grade deployment.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Bundler Smart Contract Development | |||
Gas Optimization & Fee Management Logic | Basic | Advanced | Custom |
Integration with UserOperation Mempool | |||
Paymaster Integration Support | |||
Multi-Chain Deployment (EVM L1/L2) | 1 Chain | Up to 3 Chains | Unlimited |
Security Audit by Third-Party Firm | |||
Performance & Load Testing Suite | |||
High-Availability Infrastructure Setup | Self-Managed | Managed | Multi-Region Managed |
SLA for Uptime & Performance | 99.5% | 99.9% | |
Dedicated Technical Support | Community | Business Hours | 24/7 with 1h Response |
Implementation Timeline | 4-6 weeks | 6-10 weeks | Custom |
Total Project Investment | From $25K | From $75K | Custom Quote |
how-we-deliver
PREDICTABLE DELIVERY
Our Development & Delivery Process
We follow a structured, transparent process for EVM Bundler development that ensures on-time delivery, robust security, and seamless integration with your existing stack.
01
Discovery & Architecture Design
We analyze your specific use case—be it a DEX, NFT marketplace, or gaming platform—to architect a custom bundler solution. This includes defining the optimal mempool strategy, fee management, and integration points with your smart contracts and frontend.
1-2 weeks
Design Phase
100%
Requirement Lock
02
Core Development & Smart Contract Integration
Our team builds your bundler's core logic in Go or Rust, implementing secure UserOperation handling, paymaster support, and ERC-4337 compliance. We ensure seamless integration with your custom smart accounts and existing infrastructure.
Solidity 0.8+
Contract Standard
OpenZeppelin
Security Base
03
Rigorous Security & Performance Testing
Every bundler undergoes comprehensive unit, integration, and load testing. We simulate high-volume transaction loads and adversarial conditions to guarantee sub-second latency and 99.9%+ reliability before deployment.
> 10k TPS
Load Tested
< 500ms
P95 Latency
04
Staging Deployment & Client Validation
We deploy your bundler to a staging environment mirroring production. You gain full access to test end-to-end flows, validate performance against your SLAs, and provide feedback before the final launch.
2-3 days
Validation Window
Full Sandbox
Test Environment
05
Production Launch & Monitoring
We manage the production deployment on your chosen infrastructure (AWS, GCP, bare metal) and establish real-time monitoring dashboards for metrics like bundle success rate, gas efficiency, and endpoint health.
Zero-downtime
Deployment
24/7
Health Monitoring
06
Ongoing Support & Optimization
Post-launch, we provide ongoing maintenance, including EIP updates, performance tuning, and scalability enhancements. Our team is on call to ensure your bundler operates at peak efficiency as your user base grows.
< 1 hour
SLA Response
Proactive Updates
EIP Compliance
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
We architect and deploy custom Solidity/Rust contracts with formal verification and comprehensive audit readiness. Our focus is on security-first development, leveraging battle-tested patterns from OpenZeppelin and rigorous internal testing to prevent costly exploits.
From concept to mainnet, we deliver contracts that are gas-optimized, upgradeable, and secure by design.
- Token Systems: Custom
ERC-20,ERC-721, andERC-1155implementations with advanced features like vesting, staking, and governance. - DeFi Protocols: Development of automated market makers (AMMs), lending/borrowing pools, and yield aggregators.
- Enterprise Logic: Complex multi-signature wallets, cross-chain bridges, and bespoke business logic for your specific use case.
- Full Lifecycle Support: We handle development, deployment, verification on Etherscan/Solscan, and post-launch monitoring.
EVM Bundler Development
Frequently Asked Questions
Get clear answers on our development process, timelines, and technical approach for building your custom transaction bundler.
We deliver a production-ready, audited EVM bundler in 4-6 weeks for a standard implementation. This includes architecture, core development, integration with your dApp's smart contracts, and a security audit. More complex requirements, like custom mempool logic or multi-chain support, may extend the timeline, which we scope and agree upon upfront.
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