We architect and deploy the foundational infrastructure your Web3 product needs to succeed. Our team handles the complex backend so you can focus on your core application logic and user experience.
LABS
Services
Account Abstraction for Citizen Payments
We develop secure, user-friendly payment systems for municipalities using ERC-4337 smart contract wallets. Enable gasless transactions, social recovery, and unified billing for utilities, permits, and fines.
Chainscore © 2026
overview
FOUNDATION
Blockchain Infrastructure Development
Build and scale secure, high-performance blockchain infrastructure tailored to your application.
- Custom Node Infrastructure: Dedicated
EVMandSolanaRPC nodes with 99.9% uptime SLA and global low-latency endpoints. - Indexing & Data Pipelines: Real-time blockchain data indexing for wallets, transactions, and
NFTmetadata to power your dashboards and analytics. - Security & Monitoring: 24/7 infrastructure monitoring, automated alerts, and DDoS protection to ensure platform resilience.
We deliver production-ready infrastructure in 2-4 weeks, eliminating months of DevOps overhead and letting you launch faster.
key-features-cards
BUILT ON ACCOUNT ABSTRACTION
Core Features of Our Smart City Payment Wallets
Our wallets transform municipal services by leveraging ERC-4337 to deliver secure, seamless, and scalable payment experiences for citizens and city administrators.
01
Gasless Citizen Onboarding
Citizens can interact with city services without holding crypto. We implement ERC-4337 Paymasters to sponsor transaction fees, removing the #1 barrier to adoption.
0 ETH
Citizen Gas Cost
< 60 sec
Onboarding Time
02
Multi-Signature & Policy Engine
Define custom spending rules for city departments. Require 2-of-3 approvals for large transfers, set daily limits, and enforce budget compliance programmatically.
Custom Rules
Policy Engine
ERC-1271
Signature Standard
03
Batch & Recurring Payments
Automate payroll for city staff, distribute utility subsidies, or collect property taxes. Our system handles complex payment logic with a single on-chain transaction.
90%
Gas Savings
Scheduled
Automation
04
Social Recovery & Key Management
Citizens recover access via trusted contacts or city-verified KYC, not seed phrases. We implement secure, non-custodial social recovery modules compliant with local regulations.
Non-Custodial
Security Model
KYC/AML
Compliance Ready
05
Real-Time Analytics Dashboard
City administrators gain full visibility into treasury flows, citizen adoption metrics, and transaction success rates through a unified, real-time dashboard.
Real-Time
Data Sync
Custom Reports
Exportable
06
Modular Service Integration
Seamlessly plug into existing city systems: utility billing, public transit, permit fees, and tax collection. Built with standardized APIs for rapid deployment.
REST/GraphQL
API Standards
< 4 weeks
Integration Time
benefits
TANGIBLE RESULTS
Business Outcomes for Municipalities and Citizens
Account abstraction transforms public service delivery from a cost center into a platform for innovation, delivering measurable improvements in efficiency, inclusion, and trust.
01
Drastically Reduce Payment Processing Costs
Eliminate traditional payment rails and their 2-5% processing fees. Our AA-powered systems enable direct, on-chain settlement, reducing municipal payment overhead by up to 90%.
Up to 90%
Cost Reduction
Near-zero
Processing Fees
02
Enable Instant, 24/7 Service Access
Citizens can pay taxes, fines, and fees anytime, from any device, without bank hours. Smart contracts automate reconciliation, ensuring funds are instantly allocated and recorded.
24/7
Service Availability
< 60 sec
Transaction Finality
03
Expand Financial Inclusion & Accessibility
Remove barriers for the un/underbanked. Users interact via familiar Web2 methods (email, social login) while leveraging secure, non-custodial smart accounts. No crypto wallet required.
100%
Web2 UX Compatibility
0
Wallet Setup Friction
04
Automate Compliance & Subsidy Distribution
Programmable smart accounts enforce policy rules automatically. Distribute utility subsidies, stimulus, or vouchers directly to eligible citizen wallets with full audit transparency.
Real-time
Audit Trail
Automated
Policy Enforcement
06
Enterprise-Grade Security & Sovereign Control
Municipalities retain full control over treasury keys and policy logic. Our implementations undergo formal verification and security audits, ensuring fund safety and regulatory compliance.
Multi-sig
Treasury Control
Formally Verified
Core Logic
Deployment Roadmap
Phased Implementation for Citizen Payment Systems
A structured, risk-mitigated approach to deploying secure, compliant, and user-friendly payment infrastructure for government services.
| Phase & Deliverables | Starter (Discovery & MVP) | Professional (Pilot & Scale) | Enterprise (Full Rollout & Integration) |
|---|---|---|---|
Smart Contract Audit & Security Review | |||
Gas Sponsorship & Batch Payment Module | |||
Custom Recovery & Social Login (Web2 Auth) | |||
Multi-Chain Deployment (Mainnet + L2) | |||
Compliance & Reporting Dashboard | |||
Legacy System API Integration | |||
Dedicated 24/7 SRE & On-Call Support | |||
Implementation Timeline | 4-6 weeks | 8-12 weeks | 16+ weeks |
Typical Engagement | Proof-of-Concept | City/Department Pilot | National/Statewide Program |
how-we-deliver
TRANSPARENT & PREDICTABLE
Our Delivery Process: From Audit to Integration
A structured, four-phase methodology designed for FinTechs and governments to deploy secure, scalable citizen payment systems with minimal risk and maximum speed.
01
1. Architecture & Smart Contract Audit
We begin with a comprehensive security-first review of your existing smart contracts and system architecture. Our team identifies vulnerabilities and optimizes for gas efficiency and compliance with ERC-4337 standards.
Deliverable: Detailed audit report with prioritized fixes and gas optimization recommendations.
100%
Coverage for Critical/High Issues
< 7 days
Initial Report
02
2. Paymaster & Bundler Implementation
Deploy and configure the core infrastructure for gas sponsorship and transaction bundling. We set up custom paymaster logic for subsidy rules and integrate with reliable bundler services for optimal transaction throughput.
Deliverable: Production-ready paymaster service and bundler integration with monitoring dashboards.
> 99.9%
Bundler Uptime SLA
Sub-second
UserOp Inclusion
03
3. Custom Smart Account Development
Build and deploy ERC-4337 compliant Smart Contract Accounts (SCAs) tailored for citizen use cases. Features include social recovery, batch transactions, and spending limits to enhance user experience and security.
Deliverable: Audited, deployable smart account factory and modular plugins for your specific payment flows.
ERC-4337
Standards Compliant
2-3 weeks
Development Cycle
04
4. Integration & Go-Live Support
We manage the full integration of the AA stack with your existing frontend and backend systems. Includes comprehensive testing, mainnet deployment, and 24/7 monitoring setup to ensure a smooth launch.
Deliverable: Fully integrated payment system, operational playbook, and dedicated support for the first 30 days post-launch.
30 days
Post-Launch Support
< 4 weeks
End-to-End Timeline
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
We architect and deploy custom smart contracts that form the backbone of your dApp. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and comprehensive audit cycles to mitigate risk before deployment.
- Full-Stack Development: From
ERC-20tokens andERC-721NFTs to complex DeFi logic and DAO governance systems. - Security & Audits: Rigorous testing with
Hardhat/Foundry, plus integration with leading audit firms for final verification. - Gas Optimization: Expert-level code to minimize transaction fees and maximize user efficiency on-chain.
Deliver a market-ready, audited contract suite in 2-4 weeks, not months. We handle the entire lifecycle from spec to mainnet, so your team can focus on product and growth.
Account Abstraction for Citizen Payments
Frequently Asked Questions
Get clear answers on how we deliver secure, scalable, and user-friendly blockchain payment systems for government and public sector applications.
For a standard implementation, we deliver a production-ready, audited system in 6-10 weeks. This includes requirements analysis, smart contract development, integration with your existing systems (e.g., identity verification, treasury), security audits, and pilot deployment. More complex integrations with legacy government databases may extend the timeline, which we scope and quote for upfront.
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