We architect and deploy custom smart contracts for tokens, DeFi protocols, NFTs, and DAOs. Our team specializes in Solidity and Rust, implementing battle-tested patterns from OpenZeppelin and Solana program libraries. Every contract undergoes rigorous security audits and gas optimization before mainnet deployment.
LABS
Services
Bundler Network Deployment
We deploy, configure, and manage high-availability bundler node networks for ERC-4337, providing load balancing, MEV protection, and enterprise-grade monitoring.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Token Systems:
ERC-20,ERC-721,ERC-1155, and SPL tokens with custom minting logic. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and staking contracts.
- Governance & DAOs: Multi-signature wallets, token-gated voting, and treasury management modules.
- Enterprise Logic: Custom business logic for supply chain, identity, and asset tokenization.
Deliver a secure, audited MVP in as little as 2-4 weeks, with a 99.9% uptime SLA for deployed contracts.
key-features-cards
ENTERPRISE-GRADE BUNDLER INFRASTRUCTURE
Core Technical Capabilities
We deploy and manage high-performance, secure bundler networks that power your user-centric applications. Our infrastructure is built for scale, reliability, and developer velocity.
01
Multi-Client Bundler Deployment
Deploy production-ready bundlers using Stackup, Pimlico, or Alchemy's ERC-4337 infrastructure. We configure for optimal performance and cost-efficiency based on your transaction volume and use case.
< 2 weeks
To Production
24/7
Monitoring
02
Paymaster Integration & Sponsorship
Implement gas sponsorship models with custom business logic. Integrate with Gelato, Pimlico, or custom paymasters to enable gasless transactions and abstract wallet complexity for your users.
Sub-second
Sponsor Checks
Multi-chain
Support
03
High-Availability Node Orchestration
Architect fault-tolerant bundler clusters with automated failover, load balancing, and geo-distribution. Ensure 99.9%+ uptime for critical user operations and transaction submission.
99.9%
Uptime SLA
< 50ms
P95 Latency
04
Security & Compliance Hardening
Harden your bundler setup with private RPC endpoints, rate limiting, DDOS protection, and audit trails. Implement best practices for key management and operational security (OpSec).
SOC 2
Framework
Zero Trust
Architecture
05
Custom UserOperation Logic
Extend standard ERC-4337 with custom validation, aggregation, and execution rules. Build bespoke account abstraction features like batch transactions, session keys, or recurring payments.
Solidity 0.8+
Audited Code
OpenZeppelin
Standards
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Team
Our Bundler Network Deployment service delivers measurable infrastructure improvements, reducing operational overhead and accelerating your product roadmap.
01
Production-Ready Bundler in 2 Weeks
We deploy a fully operational, secure, and monitored ERC-4337 bundler node on your chosen network (Ethereum, Polygon, Arbitrum, etc.), eliminating months of R&D and setup time.
< 2 weeks
Deployment Time
24/7
Monitoring from Day 1
02
Enterprise-Grade Security & Uptime
Deploy with confidence. Our infrastructure includes DDoS protection, private mempool management, and automated failover, backed by a 99.9% uptime SLA for your core bundler service.
99.9%
Uptime SLA
< 1 sec
P95 Paymaster Response
03
Cost-Optimized Operation
We implement gas sponsorship strategies and paymaster configurations that reduce user transaction costs by up to 40% compared to baseline implementations, improving user adoption.
~40%
Gas Cost Reduction
Multi-Chain
Paymaster Support
04
Scalable User Onboarding
Enable seamless user acquisition with integrated social logins (Web3Auth), session keys, and batch transactions. Handle spikes from 100 to 10,000+ UserOps per second without degradation.
10k+
UserOps/sec Capacity
< 5 min
Social Login Integration
05
Full Observability & Analytics
Gain real-time insights into bundler performance, user activity, and fee economics with our custom Grafana dashboards and alerting systems for proactive issue resolution.
Real-time
Metrics & Logs
E2E
Transaction Tracing
06
Ongoing Protocol Updates
We maintain your bundler infrastructure through all ERC-4337 specification upgrades and network hard forks, ensuring continuous compatibility and access to the latest features.
24h
Update Response SLA
Zero-Downtime
Upgrade Process
Managed Bundler Infrastructure
Standard Deployment Specifications
Compare our tiered deployment packages for ERC-4337 Bundler nodes, designed to match your project's scale and operational requirements.
| Specification | Starter | Professional | Enterprise |
|---|---|---|---|
ERC-4337 Bundler Node | |||
Supported Chains | Ethereum Mainnet | Ethereum + 2 L2s | All EVM Chains |
Transaction Throughput | Up to 100 TPS | Up to 1,000 TPS | 10,000+ TPS |
Uptime SLA | 99.5% | 99.9% | 99.99% |
Deployment Time | 2-3 weeks | 1-2 weeks | < 1 week |
Monitoring & Alerts | Basic Dashboard | Advanced Grafana + PagerDuty | Custom Dashboards + 24/7 SRE |
Support Response Time | Business Hours (48h) | 24/7 (12h) | 24/7 (1h) |
Smart Contract Audit | External Review | Full Audit Report | Full Audit + Ongoing Review |
Paymaster Integration | Basic | Custom Logic | White-label & Managed |
Starting Price | $15K / year | $50K / year | Custom Quote |
how-we-deliver
A PROVEN FRAMEWORK
Our Deployment & Management Process
From initial architecture to 24/7 production monitoring, our structured process ensures your bundler network is deployed securely, scaled efficiently, and managed with enterprise-grade reliability.
01
Architecture & Specification
We design a custom bundler architecture based on your target chain (Ethereum, Arbitrum, Polygon), user volume, and gas optimization goals. Deliverables include a technical spec, infrastructure diagram, and security review plan.
1-2 weeks
Design Phase
3+ Options
Architecture Reviewed
02
Secure Node Deployment
Deploy and configure bundler, paymaster, and mempool nodes using hardened, containerized infrastructure. Includes integration with RPC providers (Alchemy, Infura) and wallet services for seamless User Operation submission.
< 5 days
Deployment Time
Zero-Trust
Security Model
03
Rigorous Testing & Auditing
Conduct end-to-end testing including load testing for 10k+ TPS, integration tests with popular SDKs (UserOp.js, Etherspot), and a final security audit focusing on paymaster validation and mempool logic.
100%
Test Coverage
Third-Party
Audit Ready
04
Production Launch & Monitoring
We manage the mainnet launch with phased rollouts and real-time dashboards. Our 24/7 monitoring tracks key metrics: bundler profitability, paymaster sponsorship costs, and mempool health with automated alerts.
99.9% SLA
Uptime Guarantee
< 60 sec
Alert Response
05
Ongoing Optimization & Support
Proactive management includes gas fee optimization, paymaster strategy tuning, and node software updates. We provide detailed weekly reports on network performance and cost efficiency.
24/7
DevOps Support
Weekly
Performance Reports
06
Compliance & Upgrade Management
We ensure your network stays compatible with the latest ERC-4337 standards and client (Viem, Ethers) updates. Handle all node upgrades, security patches, and regulatory compliance checks for paymaster operations.
Zero-Downtime
Upgrades
ERC-4337
Standards Compliant
Infrastructure Decision Matrix
Build vs. Managed Bundler Service
Compare the total cost, risk, and resource commitment of developing your own ERC-4337 bundler infrastructure versus using Chainscore's managed service.
| Key Factor | Build In-House | Chainscore Managed |
|---|---|---|
Initial Development Time | 4-6 months | 2-4 weeks |
Core Team Required | 3-5 Senior Engineers | Your Integration Team |
Upfront R&D Cost | $250K - $500K+ | $0 (Service Model) |
Security & Audit Burden | Your Responsibility (High Risk) | Our Responsibility (Pre-Audited) |
ERC-4337 Spec Compliance | Manual Implementation & Updates | Guaranteed & Auto-Updated |
Multi-Chain Support | Per-Chain Development Required | Native (Ethereum, Polygon, Arbitrum, Base, etc.) |
Paymaster & Sponsor Integration | Custom Build Required | Pre-built Modules & APIs |
Monitoring & Alerting | Build from Scratch (Grafana, Prometheus) | Included Dashboard & Alerts |
Uptime SLA & P&L Support | None (Your Team On-Call) | 99.9% SLA with 24/7 Support |
Total Year 1 Cost (Est.) | $500K - $1M+ | Starts at $60K / year |
Bundler Network Deployment
Frequently Asked Questions
Get clear answers on timelines, security, and support for your custom bundler infrastructure.
Standard deployments are completed in 2-4 weeks from kickoff to mainnet launch. This includes architecture design, smart contract development, integration with your dApp, and a full security audit. Complex multi-chain or high-throughput systems may extend to 6-8 weeks. We provide a detailed project plan during the initial consultation.
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