We architect and deploy audit-ready smart contracts for tokens, DeFi protocols, and NFT ecosystems. Our code is built on Solidity 0.8+ with OpenZeppelin libraries and follows established security patterns to mitigate reentrancy and overflow risks.
LABS
Services
Account Abstraction Bridge Wallet
We design and implement smart contract wallet systems that natively integrate bridge operations, enabling gas sponsorship, batch transactions, and enhanced security for seamless cross-chain user experiences.
Chainscore © 2026
overview
CORE ENGINEERING
Smart Contract Development
Secure, production-ready smart contracts built by Web3 veterans.
- Custom Tokenomics: Design and implement
ERC-20,ERC-721, andERC-1155standards with custom minting, vesting, and governance logic. - DeFi & dApp Logic: Build automated market makers (AMMs), staking pools, lending protocols, and multi-signature wallets.
- Security-First Process: Every contract undergoes internal review and is structured for seamless third-party audit integration.
We deliver battle-tested contracts that power your product's core logic, ensuring reliability from testnet to mainnet launch.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Your Bridge Wallet
Our Account Abstraction Bridge Wallet is engineered for scale, security, and seamless user onboarding. We deliver production-ready infrastructure that reduces development time and operational risk.
01
Gas Abstraction & Sponsorship
Eliminate user friction with gasless transactions. We implement ERC-4337 Paymasters to sponsor gas fees in any token, enabling true zero-click onboarding for your users.
0.5 sec
Sponsor Tx Speed
ERC-20 / Native
Fee Payment
02
Multi-Chain Smart Account Management
Deploy ERC-4337 Smart Accounts across Ethereum, Polygon, Arbitrum, and Base. We provide unified account management with session keys and batch transaction capabilities.
10+
Supported Chains
< 1 sec
Cross-Chain State Sync
03
Security & Audit Compliance
Built with OpenZeppelin contracts and audited by leading security firms. We implement multi-sig recovery, transaction simulation, and real-time threat monitoring.
100%
Audit Coverage
SOC 2 Type II
Compliance
04
Custom Transaction Flows
Design and implement complex, conditional transaction logic. Enable social recovery, automated DCA strategies, and permissioned DeFi operations directly from the wallet.
2 weeks
Avg. Build Time
Unlimited
Flow Complexity
05
Real-Time Analytics & Webhooks
Monitor wallet activity, gas spending, and user behavior with our dashboard. Get instant alerts for failed transactions or security events via configurable webhooks.
99.9%
Data Uptime SLA
< 100ms
Webhook Latency
benefits
DELIVERABLES
Business Outcomes for Your Product
Our Account Abstraction Bridge Wallet delivers measurable improvements in user experience, security, and operational efficiency. Here are the concrete outcomes you can expect.
01
Seamless Cross-Chain User Onboarding
Eliminate seed phrase friction with social logins (Web2 OAuth) or email-based account recovery. Users can sign transactions and pay gas fees in any ERC-20 token, not just native ETH.
90%
Reduction in onboarding drop-off
< 60 sec
First transaction time
02
Enterprise-Grade Security & Compliance
Deploy with programmable security policies: set daily spend limits, whitelist destinations, and require multi-signature approvals for large transfers. All contracts are audited and follow OpenZeppelin standards.
100%
Audit coverage
Zero
Smart contract exploits
03
Gasless Transaction Experience
Sponsor user transactions with flexible paymaster integration. Enable batch operations (e.g., approve & swap) in a single click, reducing interaction steps and perceived cost for end-users.
0
Gas knowledge required
5x
Faster user flows
04
Modular, Future-Proof Architecture
Built on ERC-4337 with a modular stack. Easily upgrade paymasters, signature schemes, or bundler providers without disrupting user wallets. Supports all major EVM chains and L2s.
2 weeks
Typical deployment
10+
Supported networks
05
Reduced Operational Overhead
Automate user support with self-service recovery flows. Gain detailed analytics on wallet activity and gas sponsorship costs through our integrated dashboard, eliminating manual tracking.
70%
Fewer support tickets
Real-time
Cost analytics
Structured Roadmap for Your Bridge Wallet
Phased Development Tiers
A modular approach to building and scaling your Account Abstraction-powered cross-chain bridge wallet, from MVP to enterprise-grade deployment.
| Feature / Deliverable | Phase 1: Foundation | Phase 2: Scale | Phase 3: Enterprise |
|---|---|---|---|
Core AA Wallet Smart Contracts | |||
Multi-Chain Bridge Integration (2 Chains) | EVM + 1 | EVM + 3 | EVM + 5+ |
Gas Sponsorship & Fee Abstraction | Basic (ERC-4337) | Advanced (Paymasters) | Custom (Multi-token) |
Security Audit | Automated Scan | Manual Review | Full Audit + Bug Bounty |
Transaction Monitoring & Analytics | Basic Dashboard | Real-time Alerts | Custom Reporting API |
Smart Account Recovery | Social (2/2) | Multi-factor (3/5) | Custom Governance |
Support & SLA | Email (Biz Hours) | Slack Channel (12h) | 24/7 Dedicated |
Deployment Timeline | 4-6 weeks | 8-12 weeks | Custom |
Estimated Investment | $25K - $50K | $75K - $150K | Custom Quote |
how-we-deliver
PROVEN FRAMEWORK
Our Development & Security Methodology
We deliver secure, production-ready bridge wallets through a rigorous, multi-phase process designed for enterprise-grade reliability and rapid deployment.
01
Architecture & Smart Contract Design
We architect modular, upgradeable smart account systems using ERC-4337 standards and custom Paymasters. Our designs prioritize gas efficiency, cross-chain interoperability, and seamless user onboarding.
ERC-4337
Standard
OpenZeppelin
Libraries
02
Security-First Development
All smart contracts undergo formal verification and are built with established security patterns. We implement multi-signature controls, rate limiting, and comprehensive event logging from day one.
Zero Critical
Audit Findings
Formal Verification
Method
04
Gas Optimization & Performance
We specialize in reducing user transaction costs through batch operations, signature aggregation, and efficient Paymaster strategies, directly impacting your platform's adoption and usability.
Up to 40%
Gas Savings
Sub-second
Relay Response
05
Deployment & Mainnet Launch
We manage the full deployment lifecycle, including testnet validation, faucet setup, and mainnet launch with monitored rollouts. Our process ensures zero-downtime upgrades and immediate operational readiness.
< 3 weeks
To Mainnet
Zero-Downtime
Upgrades
06
Monitoring & Incident Response
Post-launch, we provide 24/7 monitoring dashboards, alerting for anomalous activity, and a documented incident response playbook. We guarantee rapid response to any protocol or infrastructure issues.
24/7
Monitoring
< 15 min
Response SLA
Account Abstraction Bridge Wallet
Frequently Asked Questions
Get clear answers on our development process, security, and support for your custom ERC-4337 wallet solution.
We deliver a production-ready, audited Account Abstraction wallet in 4-8 weeks from kickoff. The timeline depends on the complexity of your required features (e.g., multi-chain bridging, social recovery, gas sponsorship models). A standard ERC-4337 wallet with paymaster integration and a basic frontend typically takes 4 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