We architect, develop, and audit custom smart contracts that form the immutable business logic for your protocol. Our team delivers gas-optimized, upgradeable, and secure code for ERC-20, ERC-721, and complex DeFi primitives.
LABS
Services
Cross-Chain Account Abstraction Implementation
Integrate ERC-4337 and similar standards into your cross-chain bridge to enable gasless transactions, social recovery, and batch operations across Ethereum, Polygon, Arbitrum, and other EVM chains.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your decentralized applications.
From a 2-week MVP to a full protocol suite, we ensure your contracts are built for scale and security from day one.
- Security-First Development: Code reviews, formal verification, and integration with OpenZeppelin libraries.
- Full Lifecycle Support: Development, deployment, testing, and ongoing maintenance on EVM chains like Ethereum, Polygon, and Arbitrum.
- Measurable Outcomes: Reduce development time by 60% and mitigate critical vulnerabilities before mainnet launch.
key-features-cards
TECHNICAL PILLARS
Core Implementation Features
Our implementation is built on battle-tested, modular components designed for security, scalability, and seamless user experience. We deliver production-ready systems, not proof-of-concepts.
01
Modular Smart Account Architecture
We deploy ERC-4337-compatible smart accounts with custom modules for session keys, social recovery, and batched transactions. This future-proofs your application against protocol upgrades.
ERC-4337
Standard
OpenZeppelin
Audit Base
02
Gas Abstraction & Sponsorship Engine
Implement a flexible paymaster system allowing you to sponsor user transactions, accept stablecoin payments, or enable subscription models—removing the friction of native gas tokens.
Multi-token
Payment Support
< 24h
Integration Time
04
Unified User Operation Bundler
Deploy and manage a high-availability bundler service that aggregates user operations for efficient inclusion on-chain, ensuring low latency and high success rates.
< 2 sec
Avg. Bundle Time
Multi-region
Deployment
05
Comprehensive Security & Monitoring
Every component undergoes rigorous testing and formal verification. We provide real-time dashboards for transaction success rates, gas consumption, and system health.
24/7
Monitoring
Slack/PagerDuty
Alerts
06
Developer SDK & Integration Kits
Receive a custom TypeScript/React SDK and backend API wrappers to seamlessly integrate the abstracted account system into your existing frontend and infrastructure.
TypeScript
Primary SDK
2-4 weeks
Full Deployment
benefits
DELIVERABLES
Business Outcomes for Your Product
Our cross-chain account abstraction implementation delivers tangible, measurable results that accelerate your product's growth and technical maturity.
01
Seamless Multi-Chain UX
Users interact with your dApp across Ethereum, Arbitrum, Polygon, and Base using a single, gas-abstracted smart account. Eliminates network switching, bridging, and native token management.
> 90%
Reduction in user drop-off
Single Click
Cross-chain action
02
Enterprise-Grade Security & Audit
Implementation based on OpenZeppelin and Safe{Core} Account Abstraction Kit. All custom logic undergoes formal verification and third-party audits (e.g., Spearbit) before deployment.
100%
Audit Coverage
Zero
Critical Vulnerabilities
03
Faster Time-to-Market
Leverage our battle-tested modular architecture and pre-audited components. Go from concept to a production-ready, multi-chain dApp in weeks, not months.
< 4 weeks
To Production
Pre-built
Paymaster Modules
04
Predictable & Reduced Gas Costs
Batch user operations and implement sponsor-paid transactions via custom paymaster contracts. Achieve up to 40% gas savings for end-users and predictable operational expenses.
Up to 40%
Gas Savings
Fixed Monthly
Cost Model
05
Scalable Infrastructure Foundation
Deploy with a future-proof architecture supporting ERC-4337 and native AA (e.g., zkSync, Starknet). Includes monitoring, alerting, and automated key management systems.
99.9%
Infra Uptime SLA
Multi-Protocol
AA Standard Support
06
Enhanced Developer Velocity
Your team receives comprehensive documentation, integration SDKs, and direct access to our engineers. Focus on product logic, not wallet infrastructure.
Full SDK
React/Node.js
24h
Developer Support SLA
Choose the right level of support for your project
Implementation Tiers for Cross-Chain Account Abstraction
Compare our standard service packages for implementing secure, production-ready cross-chain account abstraction, from core development to full-scale enterprise deployment.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Smart Contract Development | |||
Multi-Chain Deployment (EVM) | 2 chains | 5 chains | Unlimited |
ERC-4337 Bundler & Paymaster Integration | Basic | Advanced (Gas Sponsorship) | Advanced + Custom Policies |
Security Audit (External Firm) | 1 Pass | 2 Passes + Fix Review | 3 Passes + Continuous Review |
Implementation Timeline | 6-8 weeks | 4-6 weeks | 2-4 weeks |
Post-Deployment Support | 30 days | 90 days | 1 year |
Incident Response SLA | Business Hours | 12 hours | 1 hour |
Uptime & Performance Monitoring | Basic Alerts | Advanced Dashboard + SLA | |
Team Training & Documentation | Standard | Custom Workshops | |
Total Project Cost | $25K - $50K | $75K - $150K | Custom Quote |
how-we-deliver
PREDICTABLE, TRANSPARENT, AND GUARANTEED
Our 4-Phase Delivery Process
We de-risk your cross-chain AA project with a structured, milestone-driven approach. Each phase delivers tangible, auditable value, ensuring alignment with your technical and business goals from day one.
01
Phase 1: Architecture & Smart Account Design
We define the optimal technical architecture for your use case, selecting the right Account Abstraction SDK (like Biconomy, ZeroDev, or Stackup) and cross-chain messaging protocol (CCIP, Axelar, Wormhole). Deliverables include a detailed technical specification and a security-first smart account blueprint.
2-3 weeks
Delivery Time
100%
Specification Complete
02
Phase 2: Core Smart Contract Development
Our senior Solidity engineers build and unit-test your custom Account Factory, Paymaster, and modular smart account logic. We implement gas sponsorship models, batch transactions, and session keys based on the approved architecture.
3-4 weeks
Delivery Time
OpenZeppelin
Security Standard
03
Phase 3: Integration & Cross-Chain Testing
We integrate the smart account system with your dApp frontend and rigorously test across all target chains (Ethereum, Polygon, Arbitrum, etc.). This includes end-to-end user flow validation, cross-chain message simulation, and comprehensive security analysis.
2-3 weeks
Delivery Time
5+ Chains
Test Coverage
04
Phase 4: Audit, Deployment & Handover
The final codebase undergoes an internal security review before deployment to mainnet. We provide full documentation, operational runbooks, and knowledge transfer to your team, ensuring you own and can scale the infrastructure.
2 weeks
Delivery Time
Production Ready
Final Deliverable
security
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built on `Solidity 0.8+` and `Rust` for production-ready Web3 applications.
We architect and deploy custom smart contracts that are secure by design. Every line of code follows OpenZeppelin standards and undergoes rigorous internal review before a formal audit, ensuring your core logic is protected from day one.
- Token Systems: Custom
ERC-20,ERC-721, andERC-1155contracts with advanced features like vesting, staking, and governance. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield aggregators with gas-optimized logic.
- Enterprise Logic: Multi-signature wallets, supply chain tracking, and verifiable credential systems built for compliance.
Our development process delivers a production-ready MVP in 2-4 weeks, complete with deployment scripts, comprehensive testing suites, and integration guides for your front-end team.
Cross-Chain Account Abstraction
Frequently Asked Questions
Get clear answers on timelines, costs, and technical details for implementing cross-chain smart accounts.
A standard cross-chain AA deployment takes 2-4 weeks from kickoff to mainnet launch. This includes smart account design, ERC-4337 bundler/verifier setup, and integration with 2-3 target chains. Complex multi-protocol integrations or custom paymaster logic can extend this to 6-8 weeks. We provide a detailed sprint plan during the discovery phase.
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