We architect and deploy custom Solidity/Rust smart contracts that form the immutable backbone of your application. Our focus is on security-first development, leveraging battle-tested libraries like OpenZeppelin and implementing formal verification for critical functions.
LABS
Services
Account Abstraction with ZK Proofs
We design and implement custom smart contract wallet systems that leverage zero-knowledge proofs for private transaction sponsorship, batched operations, and secure recovery. Built for DeFi, gaming, and enterprise Web3 applications.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for your specific business logic and audited for enterprise deployment.
- Custom Logic: Token systems (
ERC-20,ERC-721,ERC-1155), DeFi protocols, DAO governance, and bespoke business rules. - Full Audit Trail: Multi-stage review process culminating in a comprehensive security audit with a detailed vulnerability report.
- Gas Optimization: Code is meticulously optimized to reduce user transaction costs by 15-40% on average.
- Deployment & Verification: We handle mainnet/testnet deployment, contract verification on block explorers, and initial configuration.
We deliver a fully vetted, deployable contract suite in as little as 3 weeks, giving you a secure and efficient foundation to build upon.
key-features-cards
ENTERPRISE-GRADE
Core Capabilities of Our ZK Account Abstraction Service
We deliver production-ready ZK-powered account abstraction infrastructure, enabling your FinTech or Web3 application to offer seamless, secure, and gas-efficient user experiences.
01
Gas Sponsorship & Bundling
Implement gasless transactions and batch user operations into single on-chain calls. We handle the complexity of paymaster integration and bundler logic, reducing your users' transaction costs by up to 90%.
Up to 90%
Gas Cost Reduction
< 500ms
Bundler Latency
02
ZK-Powered Smart Wallets
Deploy ERC-4337-compliant smart account factories with integrated zero-knowledge proof verification. Enable social logins, session keys, and transaction policies without compromising on-chain security.
ERC-4337
Compliant
2-Week
Avg. Deployment
03
Session Key Management
Generate and manage off-chain session keys with programmable spending limits and time-bound permissions. Users can approve multiple actions in one signature, dramatically improving UX for games and dApps.
Unlimited
Actions per Session
Granular
Permission Controls
04
Multi-Chain Abstraction Layer
A unified API to deploy and manage smart accounts across Ethereum, Polygon, Arbitrum, and other EVM chains. We handle chain-specific implementations so you can focus on your core product.
10+
Supported Chains
Single API
Integration Point
05
Security & Audit Integration
Our smart account templates are built with OpenZeppelin libraries and come pre-audited. We facilitate integration with leading security firms like Trail of Bits for custom implementations, ensuring fund safety.
OpenZeppelin
Standards
Pre-Audited
Templates
06
Real-Time Analytics Dashboard
Monitor user operation success rates, gas sponsorship costs, and wallet activity across all chains. Get actionable insights to optimize fees and improve user onboarding flows.
Real-Time
Monitoring
Cost Analytics
Per User Op
benefits
ENTERPRISE-GRADE RESULTS
Business Outcomes: Why Implement ZK-Powered Account Abstraction
ZK-powered Account Abstraction delivers measurable improvements in security, user experience, and operational efficiency. Here's what our clients achieve.
01
Eliminate Private Key Risk
Replace vulnerable seed phrases with social logins, biometrics, or hardware security modules. We implement ERC-4337 with ZK-based session keys for transaction signing, removing the single largest point of failure for users and enterprises.
0
Seed Phrase Loss
SOC 2
Compliance Ready
02
Reduce Gas Fees by 40-60%
Our ZK-rollup integration bundles and proves user operations off-chain, slashing on-chain gas costs. We implement paymasters for sponsor-paid transactions, enabling gasless UX and predictable operational expenditure.
40-60%
Gas Savings
$0
User Gas Costs
03
Deploy in < 3 Weeks
Leverage our battle-tested AA smart account factory and bundler infrastructure. We deliver a production-ready system integrated with your existing stack (EVM, Starknet, zkSync), including custom security policies and recovery flows.
< 3 weeks
Time to Live
24/7
SRE Support
04
Enable Non-Custodial Batch Transactions
Users can approve multiple actions in a single signature using ZK-proven intents. We build custom logic for complex DeFi swaps, NFT mint-and-list operations, and enterprise disbursements, all while maintaining full user custody.
1-Click
Complex Actions
Sub-Second
Intent Proofs
05
Achieve Regulatory Compliance by Design
Implement transaction rules, spending limits, and KYC/AML checks at the smart account level. Our ZK proofs verify compliance without exposing user data, future-proofing your application for financial regulations.
On-Chain
Audit Trail
ZK-Proof
Privacy Layer
06
Scale to Millions of Users
Our horizontally scalable bundler infrastructure and ZK-rollup settlement ensure sub-second latency and 99.9% uptime, even during network congestion. We architect for the load of mainstream adoption.
99.9%
Uptime SLA
< 1 sec
Op Latency
Choose Your Path to Account Abstraction
Implementation Tiers: From Integration to Custom Protocol
A clear comparison of our service tiers, from integrating our modular SDK to building a fully custom protocol with zero-knowledge proofs.
| Feature | Integration | Customization | Protocol |
|---|---|---|---|
ZK-Powered Smart Accounts | |||
Gas Sponsorship Module | |||
Session Key Management | |||
Custom Paymaster Logic | |||
Bundler Infrastructure | Managed API | Managed API | Dedicated Nodes |
Custom ZK Circuit Design | |||
Protocol-Level Integration (ERC-4337) | SDK | Modified SDK | Full Custom |
Security Audit Scope | Module Review | Full System Audit | Full Audit + Formal Verification |
Dedicated Technical Lead | |||
Implementation Timeline | 2-4 weeks | 4-8 weeks | 8-12 weeks |
Starting Price | $25K | $75K | $200K+ |
how-we-deliver
PREDICTABLE, TRANSPARENT EXECUTION
Our Delivery Process: From Design to Mainnet
A structured, milestone-driven approach that ensures your account abstraction project is delivered on time, on budget, and with enterprise-grade security. We provide clear deliverables at every stage.
01
Phase 1: Architecture & Specification
We define your custom account logic, ZK proof requirements, and gas optimization strategy. Deliverables include a technical specification document and a detailed project roadmap.
1-2 weeks
Duration
100%
Spec Finalization
02
Phase 2: Smart Contract Development
Implementation of ERC-4337 compliant AccountFactory, Paymaster, and custom Smart Account logic using Solidity 0.8+ and OpenZeppelin libraries. Includes internal security review.
2-4 weeks
Duration
OpenZeppelin
Standards Used
03
Phase 3: ZK Circuit & Prover Integration
Design and implement custom ZK circuits (e.g., for privacy or batch verification) using Circom or Halo2. We integrate with prover services for efficient proof generation.
3-5 weeks
Duration
Circom/Halo2
Framework
04
Phase 4: Security Audit & Testing
Comprehensive unit, integration, and stress testing. Optional third-party audit coordination with firms like Spearbit or Code4rena. We remediate all critical/high issues before mainnet.
2-3 weeks
Duration
100%
Test Coverage
05
Phase 5: Deployment & Infrastructure
Gas-optimized deployment to your chosen network (Ethereum, Polygon, Arbitrum). We set up monitoring, alerting, and RPC endpoints and provide a full deployment report.
1 week
Duration
Multi-chain
Deployment Ready
06
Phase 6: Maintenance & Support
Post-launch support with SLA-backed monitoring, emergency response, and upgrade management. We provide documentation and training for your engineering team.
Ongoing
Support
99.9%
Uptime SLA
security
SECURE & AUDITED
Smart Contract Development
Production-ready smart contracts built with enterprise-grade security and gas optimization.
We architect and deploy secure, efficient smart contracts that power your core business logic. Our development process integrates formal verification and comprehensive audits to mitigate risk before deployment on mainnet.
- Custom Logic: Tailored
ERC-20,ERC-721, andERC-1155tokens, DeFi protocols, DAOs, and NFT marketplaces. - Gas Optimization: Code reviews focused on reducing transaction costs by up to 40%.
- Security First: Adherence to OpenZeppelin standards and third-party audits from firms like CertiK and Quantstamp.
- Full Lifecycle: Development, testing, deployment, and upgrade management via Transparent Proxies or Diamond Standard.
Deliver a secure, audited MVP in as little as 2-3 weeks, with guaranteed code ownership and full documentation.
Technical & Commercial Details
Frequently Asked Questions on ZK Account Abstraction
Get clear answers on timelines, costs, and technical specifics for implementing ZK-powered Account Abstraction (ERC-4337) with Chainscore Labs.
A standard implementation, including custom smart accounts, a paymaster, and a bundler integration, typically takes 4-6 weeks from kickoff to mainnet deployment. This includes design, development, security audits, and testing. More complex requirements like custom ZK proof circuits or multi-chain deployments can extend the timeline to 8-12 weeks. We provide a detailed project plan with 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
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall