Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

Account Abstraction Smart Wallet KYC

We build ERC-4337 compliant smart account systems with embedded KYC logic and session keys for seamless, compliant user onboarding in cross-border payments.
Chainscore © 2026
overview
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built by experts for DeFi, NFTs, and enterprise applications.

We architect and deploy audit-ready smart contracts that form the foundation of your Web3 product. Our process ensures security, gas efficiency, and long-term maintainability from day one.

We deliver contracts that pass security audits on the first review, saving you time and mitigating critical risk.

  • Protocol Development: Custom AMMs, lending/borrowing systems, staking pools, and governance modules.
  • Token Standards: Full suite implementation for ERC-20, ERC-721, ERC-1155, and custom multi-chain tokenomics.
  • Security-First: Built with OpenZeppelin libraries, following formal verification patterns and comprehensive unit testing.
  • Gas Optimization: Expert-level Solidity to minimize transaction costs and maximize user adoption.
key-features-cards
ENTERPRISE-GRADE WALLET INFRASTRUCTURE

Core Technical Capabilities We Deliver

We build the foundational smart wallet layer that powers compliant, user-friendly Web3 applications. Our modular architecture delivers production-ready components for rapid integration.

01

ERC-4337 Smart Account Development

Custom smart contract wallets with social recovery, multi-signature controls, and session keys. Built on audited OpenZeppelin libraries for maximum security and gas efficiency.

ERC-4337
Standard
OpenZeppelin
Security Base
02

Modular KYC/AML Integration

Seamless integration with leading identity providers (e.g., Sumsub, Onfido) for compliant onboarding. Programmable compliance rules and real-time risk scoring embedded at the wallet level.

< 5 min
Onboarding
GDPR/CCPA
Compliant
03

Gas Abstraction & Sponsorship

Implement gasless transactions and flexible fee sponsorship models. Enable users to pay with stablecoins or have dApps sponsor gas, removing a major UX barrier.

Paymaster
Integration
0 Gas
For End-User
04

Cross-Chain Wallet Operations

Smart accounts capable of managing assets and executing transactions across EVM-compatible chains (Ethereum, Polygon, Arbitrum) from a single interface.

EVM Chains
Supported
CCIP/ LayerZero
Bridge Ready
05

Batch Transaction Bundling

Aggregate multiple user operations into a single transaction. Dramatically reduces gas costs and enables complex multi-step DeFi interactions in one click.

Up to 70%
Gas Savings
Atomic
Execution
06

Security Audits & Incident Response

Comprehensive smart contract audits, formal verification, and 24/7 monitoring. We provide a dedicated response protocol for any security events.

Trail of Bits
Audit Partners
24/7
Monitoring
benefits
TANGIBLE RESULTS

Business Outcomes for Your Payment Platform

Integrating Account Abstraction with compliant KYC isn't just a technical upgrade—it's a direct driver of business growth, user retention, and operational efficiency. Here's what you can expect.

01

Frictionless User Onboarding

Replace seed phrase anxiety with familiar email/social logins. Users can transact immediately with sponsored gas, increasing activation rates by up to 70%.

70%
Higher Activation
< 60 sec
First Transaction
02

Regulatory Compliance by Design

Embedded KYC/AML checks at the wallet level ensure every transaction is compliant. Automated sanctions screening and audit trails simplify reporting for FinCEN, FATF, and MiCA.

100%
Transaction Screening
Auto
Audit Trail
03

Reduced Operational Costs

Automate manual review processes and customer support for lost keys. Batch transactions and gas sponsorship cut per-transaction overhead by over 40%.

40%
Cost Reduction
90%
Fewer Support Tickets
04

Enhanced Security & Recovery

Social recovery, multi-signature policies, and transaction limits protect user assets. Eliminate irreversible losses from phishing and private key mismanagement.

Zero
Irreversible Loss
Multi-Sig
Default Policy
05

Higher Transaction Volume & Revenue

Remove gas fee barriers and simplify complex DeFi interactions. Users complete more transactions, driving higher platform fees and staking participation.

3x
More TXs/User
+50%
Fee Revenue
06

Future-Proof Architecture

Built on ERC-4337 and ERC-6900 standards with modular KYC plugins. Seamlessly integrate new L2s, payment rails, and compliance regimes without wallet redeployment.

ERC-4337
Standard
Plug & Play
KYC Modules
Tailored for Your Stage

Structured Development Packages

Compare our tiered service packages for Account Abstraction Smart Wallet KYC development, from MVP to enterprise-grade production systems.

FeatureStarterProfessionalEnterprise

ERC-4337 Smart Wallet Integration

Custom KYC Module Development

Basic

Advanced

Full Custom

On-Chain & Off-Chain Verification

Smart Contract Audit (by 3rd Party)

Deployment & Configuration Support

Self-serve

Full

Full + Migration

Uptime & Performance SLA

99.5%

99.9%

Support & Incident Response

Email (72h)

Priority (24h)

Dedicated (4h)

Compliance Dashboard Access

Multi-Chain Deployment

1 Network

Up to 3

Unlimited

Estimated Timeline

2-4 weeks

4-8 weeks

8-12 weeks

Starting Price

$25,000

$75,000

Custom Quote

how-we-deliver
PROVEN FRAMEWORK

Our Development & Compliance Methodology

A dual-track approach that delivers secure, production-ready smart wallets while ensuring full regulatory compliance from day one.

01

Security-First Smart Contract Development

We build your AA wallet core using battle-tested OpenZeppelin libraries and Solidity 0.8+ patterns. Every contract undergoes static analysis, fuzz testing, and a formal verification review before deployment.

Zero
Critical Vulnerabilities
ERC-4337
Standard Compliant
02

Modular KYC/AML Integration

Seamlessly integrate compliant identity verification. Our modular architecture supports leading providers (e.g., Sumsub, Onfido) and custom logic for jurisdiction-specific rules, all without compromising user experience.

< 60 sec
Verification Time
Global
Coverage
03

Gas Optimization & Cost Engineering

We specialize in reducing user onboarding and transaction costs. Our implementations leverage paymasters, batch transactions, and signature aggregation to minimize gas fees by up to 40% compared to baseline.

~40%
Gas Reduction
Multi-Chain
Optimized
04

Compliance Architecture & Audit Trail

We design a transparent, immutable log of all KYC events and wallet interactions. This creates a verifiable audit trail for regulators, built directly into your smart account logic.

Immutable
Event Logging
Real-time
Monitoring
05

Rapid Deployment & Integration

Leverage our pre-audited modules and deployment pipelines to go from specification to testnet in 2-3 weeks. We provide full SDKs and documentation for easy frontend integration.

2-3 weeks
To Testnet
Full SDK
Provided
06

Ongoing Security & Compliance Updates

Stay ahead of evolving standards and threats. We provide monitoring, incident response playbooks, and proactive updates for new EIPs and regulatory changes affecting AA wallets.

24/7
Monitoring
SLA Backed
Response
Architectural Comparison

Smart Account KYC vs. Traditional Approaches

How Chainscore's modular smart account KYC integration fundamentally differs from legacy, custodial, and self-built methods in security, user experience, and operational efficiency.

FeatureTraditional Custodial WalletsSelf-Built IntegrationChainscore Smart Account KYC

User Onboarding Friction

High (Full KYC per app)

Medium (Custom flow per chain)

Low (Portable, chain-agnostic identity)

Compliance Burden

Your responsibility

Your full responsibility

Modular, audited compliance layer

Development Time

N/A (Provider handles)

6-9 months

2-4 weeks

User Data Custody

Centralized provider

Your centralized database

User-controlled via smart accounts

Cross-Application Portability

None

Limited to your dApps

Full (ERC-4337 & ERC-6900 standard)

Audit & Security Coverage

Provider's responsibility

High cost & risk (unaudited)

Pre-audited modules, continuous monitoring

Gas Optimization for KYC Checks

Not applicable

Complex, high-cost on-chain logic

Optimized session keys & batched verification

Ongoing Regulatory Updates

Managed by provider

Your team's ongoing cost

Handled by Chainscore's compliance engine

Typical Implementation Cost

$50K-$200K/year (fees)

$150K-$400K+ (dev + audit)

$25K-$75K one-time + optional SLA

Account Abstraction & KYC

Frequently Asked Questions

Get clear answers on how we build secure, compliant smart wallets for your users.

A standard Account Abstraction wallet with integrated KYC/AML verification can be deployed in 2-4 weeks. This includes smart contract development, integration with KYC providers like Synaps or Veriff, and frontend SDK setup. Complex features like multi-chain support or custom recovery logic may extend this to 6-8 weeks. We provide a detailed sprint-by-sprint roadmap on day one.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team