We architect and deploy custom smart contracts that form the backbone of your Web3 application. Our development process is built on security-first principles, ensuring your core logic is robust and resilient.
LABS
Services
Account Abstraction Mobile Toolkit
A development suite for building, deploying, and managing ERC-4337 account abstraction infrastructure directly from mobile applications. We deliver production-ready smart contracts and SDKs for seamless user onboarding.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
- From Specification to Mainnet: Full lifecycle support from initial design and
Solidity/Rustdevelopment to deployment and monitoring. - Security by Default: All contracts follow
OpenZeppelinstandards and undergo rigorous internal audits before external review. - Gas Optimization: We write efficient code to minimize transaction costs, a critical factor for user adoption and scalability.
Deliver a secure, auditable, and performant foundation for your dApp in as little as 2-4 weeks for an MVP.
key-features-cards
PRODUCTION-READY
Core Components We Deliver
We build and deliver fully integrated, audited components that accelerate your mobile wallet development. Each module is designed for security, scalability, and seamless user onboarding.
01
Smart Account Factory
Deploy ERC-4337-compliant smart contract accounts (SCAs) with multi-signature, session keys, and social recovery. Built on OpenZeppelin libraries for maximum security.
ERC-4337
Standard
OpenZeppelin
Audited Base
02
Bundler Integration
Seamless integration with leading bundler services (e.g., Stackup, Alchemy) for reliable UserOperation execution and gas sponsorship logic.
> 99.9%
Reliability
Multi-chain
Support
03
Paymaster Service
Implement gas abstraction with flexible sponsorship models—allow users to pay with ERC-20 tokens or enable fully gasless transactions to boost adoption.
Gasless
Option
ERC-20 Gas
Payment
04
Mobile SDK & UI Kit
Native iOS/Android SDKs and React Native modules with pre-built UI components for onboarding, transaction signing, and account management.
iOS & Android
Native
React Native
Ready
05
Session Key Manager
Secure, time-bound permission system enabling limited transaction capabilities (e.g., gaming, trading) without exposing the master private key.
Time-bound
Sessions
Granular
Permissions
06
Recovery & Security Module
Robust social recovery workflows, multi-factor authentication hooks, and integration with MPC services for enhanced key management security.
Social Recovery
Enabled
MPC Options
Available
benefits
TANGIBLE RESULTS
Business Outcomes for Your Mobile Product
Our Account Abstraction Mobile Toolkit delivers measurable improvements in user adoption, security, and operational efficiency. Here’s what you can expect.
01
Accelerated User Onboarding
Replace complex seed phrases with familiar Web2 logins (email, social, passkeys). We implement ERC-4337 compliant smart accounts to reduce sign-up friction by over 90%.
> 90%
Reduction in Sign-up Friction
< 60 sec
First Transaction Time
02
Enhanced Transaction Security
Deploy multi-signature policies, session keys, and transaction limits directly in your mobile app. We build with audited OpenZeppelin contracts and secure key management.
Zero
Private Keys Exposed
SOC 2
Compliant Infrastructure
03
Reduced Gas Fee Friction
Implement gas sponsorship and batch transactions to abstract away network costs. Our paymaster integrations let you offer gasless experiences or predictable subscription models.
100%
Gasless User Experience
~40%
Lower Gas via Batching
04
Faster Feature Deployment
Leverage our pre-built modules for social recovery, subscription billing, and cross-chain ops. Integrate core AA features in 2-4 weeks, not months.
2-4 weeks
Core Integration Time
10+
Pre-audited Modules
05
Improved User Retention & Engagement
Enable seamless cross-session experiences and automated transactions. Users stay logged in and can execute complex DeFi or gaming actions with a single tap.
3.5x
Higher Session Duration
70%+
Repeat Transaction Rate
Choose Your Path to Production
Structured Development Packages
Compare our tiered service packages for implementing Account Abstraction (ERC-4337) into your mobile application. Each package includes our core SDK, with varying levels of support, customization, and security.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
ERC-4337 Bundler & Paymaster Integration | |||
Custom Smart Account (ERC-4337) Development | Basic Templates | Custom Logic | Full Customization |
Mobile SDK (iOS/Android/React Native) | |||
Social Login (Web3Auth, Magic) Integration | |||
Gas Sponsorship & Fee Management System | Basic | Advanced Rules | Custom Abstraction |
Smart Contract Security Audit | Basic Review | Full Audit Report | Audit + Formal Verification |
Deployment & Multi-Chain Setup | Ethereum Testnet | 2 Production Chains | Unlimited Chains |
Dedicated Technical Support | Email (72h) | Slack Channel (24h) | 24/7 Dedicated Engineer |
Implementation Timeline | 3-4 weeks | 6-8 weeks | Custom |
Starting Project Cost | $25,000 | $75,000 | Custom Quote |
how-we-deliver
PREDICTABLE DELIVERY
Our Development & Integration Process
A structured, four-phase approach to integrate Account Abstraction into your mobile app with clear milestones, technical rigor, and guaranteed outcomes.
01
Architecture & Smart Contract Design
We design and deploy your core AA infrastructure: custom ERC-4337 Bundlers, Paymasters, and Account Factory contracts using audited OpenZeppelin patterns. This ensures gas-efficient user operations and a secure foundation.
OpenZeppelin
Security Standard
ERC-4337
Protocol
02
Mobile SDK Integration
Seamless integration of our lightweight, platform-native SDKs for iOS (Swift) and Android (Kotlin). We handle session key management, gas sponsorship flows, and batched transactions, delivering a native wallet experience.
< 100KB
SDK Size
Swift/Kotlin
Native Code
03
Security Audit & Penetration Testing
Every component undergoes rigorous review. Smart contracts are verified on-chain and tested against common attack vectors. The mobile SDK is penetration-tested for secure key storage and transaction signing.
On-Chain
Verification
OWASP
Testing Standard
04
Deployment & Go-Live Support
We manage the full deployment lifecycle to mainnet or your chosen L2 (Optimism, Arbitrum, Base). Includes monitoring setup, documentation handoff, and 30 days of post-launch technical support to ensure stability.
30 Days
Post-Launch Support
Multi-L2
Deployment Ready
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for your specific business logic.
We architect and deploy custom smart contracts on EVM and Solana that power your core business. Our process delivers audit-ready code in weeks, not months, with a focus on security and gas optimization.
From tokenomics to complex DeFi logic, we translate your requirements into robust, on-chain systems.
- Custom Logic:
ERC-20/721/1155, multi-sig wallets, staking pools, DAO governance. - Security First: Built with
OpenZeppelinstandards and formal verification patterns. - Full Lifecycle: Development, testing (
Hardhat/Foundry), deployment, and ongoing maintenance.
Account Abstraction Mobile Toolkit
Frequently Asked Questions
Get clear answers on our development process, timelines, and support for your mobile Web3 project.
We deliver a production-ready, white-labeled mobile wallet with core AA features in 4-6 weeks. This includes a custom UI/UX, smart account deployment, social login (Web3Auth), gas sponsorship, and batch transactions. Complex integrations like multi-chain support or custom paymasters may 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