We architect, develop, and audit custom smart contracts that form the immutable backbone of your application. Our engineers deliver gas-optimized, upgradeable, and secure code for ERC-20, ERC-721, and complex DeFi logic.
LABS
Services
Account Abstraction User Onboarding Systems
We build smart account infrastructure for metaverse social hubs that removes Web3 friction. Deploy systems for gasless transactions, social logins, and batch actions to drive mainstream adoption.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your protocol.
Reduce your time-to-market from months to weeks with our battle-tested development framework and security-first approach.
- Security Audits: All code undergoes internal review against known vulnerabilities before deployment.
- Full Lifecycle Support: From initial design and
Hardhat/Foundrytesting to mainnet deployment and monitoring. - Protocol Integration: Seamless compatibility with major oracles, bridges, and liquidity networks.
key-features-cards
PRODUCTION-READY COMPONENTS
Core Smart Account Infrastructure We Deliver
We build the foundational smart account systems that power seamless user onboarding, abstracting away blockchain complexity for your customers. Our modular components are battle-tested and integrate directly into your application.
01
ERC-4337 Bundler & Paymaster
High-performance infrastructure for submitting and sponsoring user operations. We deliver a managed bundler with 99.9% uptime SLA and configurable paymaster logic for gas fee abstraction, enabling seamless onboarding.
99.9%
Uptime SLA
< 200ms
Avg. Op Latency
02
Custom Smart Account Factory
Deploy a tailored smart account factory contract for your application. We implement modular account logic with session keys, social recovery, and multi-chain deployment patterns to fit your specific user flows.
ERC-6900
Modular Standard
5+ Chains
Deployment Ready
03
User Operation Relayer API
A secure, scalable API layer for your frontend to interact with the ERC-4337 mempool. Handles signing, simulation, and submission, abstracting RPC complexity and reducing your integration time.
< 2 weeks
Integration Time
10k+ RPS
Scalable Capacity
04
Security & Audit Framework
Comprehensive security for your account abstraction stack. We conduct internal audits, implement formal verification for critical paths, and follow OpenZeppelin standards to protect user assets.
Zero Critical
Audit Findings
24/7
Monitoring
benefits
KEY BUSINESS OUTCOMES
Drive Business Growth with Frictionless Onboarding
Our Account Abstraction systems are engineered to deliver measurable improvements in user acquisition, activation, and retention. See the tangible results our clients achieve.
01
Reduce Onboarding Friction by 90%
Replace seed phrases and gas complexities with social logins and gas sponsorship. We implement ERC-4337 Paymasters and Session Keys to make the first user interaction seamless.
90%
Reduction in Drop-off
< 60 sec
First Transaction
02
Increase User Activation by 3x
Design and deploy custom onboarding flows with embedded tutorials and one-click transactions. We build modular smart accounts that guide users to their 'aha' moment faster.
3x
Higher Activation
40%
More Daily Active Users
03
Secure & Compliant by Design
All smart accounts and bundler infrastructure are built with OpenZeppelin standards and undergo rigorous security audits. We ensure your user onboarding meets regulatory best practices.
Zero
Security Incidents
SOC 2
Compliance Ready
04
Deploy in Weeks, Not Months
Leverage our pre-audited Account Abstraction modules and bundler SDKs. We deliver a production-ready onboarding system tailored to your dApp's specific needs.
2-4 weeks
Time to Launch
24/7
Infrastructure Support
Structured Rollout for Your AA Onboarding System
Phased Implementation for Rapid Deployment
Our modular implementation approach allows you to launch a secure, production-ready Account Abstraction onboarding system in weeks, not months. Choose the path that matches your current stage and scale.
| Phase & Deliverables | Discovery & Design | Core Implementation | Scale & Optimize |
|---|---|---|---|
Smart Account Factory (ERC-4337) | |||
Custom Paymaster & Gas Sponsorship | |||
Social Login (Web2 & Web3 Auth) | |||
Bundler Integration & Management | |||
Full Security Audit Report | |||
Time to Production Launch | 2-3 weeks | 4-6 weeks | 2-4 weeks |
Ongoing Support & Maintenance | Ad-hoc | SLA: 24h response | SLA: 4h response + dedicated engineer |
Typical Project Scope | Architecture review, tech spec, PoC | End-to-end development, audit, deployment | Multi-chain expansion, performance tuning, advanced features |
Target Client Stage | Pre-seed/Seed, validating concept | Series A, preparing for mainnet launch | Series B+, scaling to millions of users |
Investment Range | $15K - $30K | $80K - $200K | Custom (Enterprise) |
how-we-deliver
PROVEN PROCESS
Our Methodology for Reliable Delivery
We follow a structured, security-first development lifecycle designed to deliver production-ready Account Abstraction systems on time and within spec.
01
Discovery & Architecture Design
We conduct a technical deep-dive to define your specific AA use case, select the optimal stack (ERC-4337, Safe{Core}, Biconomy), and architect a modular, scalable system.
1-2 weeks
Design Phase
3+ Options
Architecture Reviewed
02
Smart Contract Development & Auditing
Our engineers write gas-optimized, upgradeable smart contracts (Paymasters, Account Factories) using Solidity 0.8+ and OpenZeppelin libraries. All code undergoes internal review before external audit.
100%
Test Coverage
Certik / Halborn
Audit Partners
03
Bundler & Paymaster Integration
We deploy and configure high-availability bundler infrastructure (Stackup, Alchemy) and custom Paymaster logic for sponsored transactions, gas abstraction, and batch operations.
99.9%
Bundler Uptime SLA
< 2 sec
Avg. UserOp Finality
04
Frontend SDK & Wallet Integration
We provide a tailored SDK (Web3Modal, RainbowKit) or build a custom wallet interface for seamless user onboarding, social logins, and transaction management.
5+
Wallet Providers
< 3 clicks
To First Transaction
05
Staging, Testing & Security Review
We deploy to a staging environment for rigorous integration testing, user acceptance testing (UAT), and a final security review before mainnet launch.
Testnet First
Deployment Policy
Full Regression
Test Suite
06
Production Deployment & Monitoring
We manage the mainnet deployment, set up real-time monitoring (Tenderly, OpenZeppelin Defender), and provide 24/7 incident response for your AA infrastructure.
24/7
Infra Monitoring
1 hr
SLA Response Time
tech-stack
SECURITY & INTEROPERABILITY
Built on Robust, Standardized Protocols
Our Account Abstraction onboarding systems are engineered on battle-tested standards, ensuring security, future-proofing, and seamless integration with the broader Web3 ecosystem.
03
Multi-Chain ERC-4337 Support
Deploy your onboarding flow across Ethereum L2s (Arbitrum, Optimism, Base) and compatible EVM chains with a single codebase. We handle chain-specific RPC configurations and gas token abstractions.
6+ Chains
Supported
Single SDK
Unified Interface
04
Wallet-as-a-Service Integration
Seamlessly integrate with leading WaaS providers (Privy, Dynamic, Magic) for embedded wallet creation. We manage the smart account orchestration, letting you focus on user experience.
Plug-and-Play
API-First
< 1 Day
Integration Time
05
Paymaster & Bundler Infrastructure
We deploy and manage reliable ERC-4337 bundler nodes and flexible paymaster contracts. Sponsor user transactions with flexible policies (gasless, subscription, or fee abstraction).
99.9% Uptime
Bundler SLA
Sub-Second
UserOp Inclusion
06
Modular Smart Account Architecture
Future-proof account systems with upgradeable modules for recovery, 2FA, and spending limits. Swap functionality without migrating user accounts, protecting your long-term investment.
UUPS Proxies
Upgrade Pattern
Zero-Downtime
Module Updates
Account Abstraction
Frequently Asked Questions
Get clear answers on our process, security, and outcomes for building custom AA-powered onboarding systems.
We deliver a production-ready, audited system in 4-6 weeks for a standard implementation. This includes discovery, smart contract development, integration with your frontend, and a full security audit. More complex requirements like multi-chain support or custom paymaster logic can extend this to 8-10 weeks.
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