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

Legacy System to Web3 Identity Integration

We build custom adapters and middleware to securely connect your existing enterprise databases, CRM, and user directories to decentralized identity networks like Verifiable Credentials and DIDs, enabling compliant Web3 onboarding.
Chainscore © 2026
overview
CORE SERVICE

Custom Smart Contract Development

Secure, production-ready smart contracts built by Web3 experts to power your decentralized applications.

We architect and deploy audit-ready smart contracts that form the secure backbone of your dApp. Our development process is built on Solidity 0.8+ with OpenZeppelin standards, ensuring security and interoperability from day one.

Deliver a market-ready product in weeks, not months, with a foundation you can trust.

Our full-service development includes:

  • Token Systems: Custom ERC-20, ERC-721, and ERC-1155 contracts with advanced minting, vesting, and governance logic.
  • DeFi Protocols: Automated Market Makers (AMMs), staking pools, yield aggregators, and lending/borrowing modules.
  • Enterprise Logic: Multi-signature wallets, access control systems, and upgradeable contract architectures using Transparent or UUPS proxies.

We manage the entire lifecycle:

  1. Design & Specification: Collaborative sessions to define logic, gas optimization targets, and security requirements.
  2. Development & Testing: Comprehensive unit and integration testing with tools like Hardhat and Foundry.
  3. Audit Preparation & Deployment: Code structured for easy third-party review, followed by deployment and verification on mainnet or testnets.
key-features-cards
ENTERPRISE-GRADE CONNECTORS

Our Integration Capabilities

We build secure, production-ready bridges between your existing identity systems and on-chain protocols, ensuring compliance and user continuity.

benefits
TANGIBLE RESULTS

Business Outcomes You Can Measure

Our integration delivers specific, quantifiable improvements to your business operations and user experience. Move beyond theoretical benefits to trackable metrics.

01

Reduced User Onboarding Friction

Replace manual KYC/AML forms with instant, reusable Web3 identity verification. We integrate protocols like Polygon ID or Worldcoin to cut sign-up time from minutes to seconds.

90%
Faster Onboarding
< 30 sec
Average Sign-Up
02

Enhanced Security & Compliance Posture

Implement decentralized identity (DID) standards (W3C Verifiable Credentials) and zero-knowledge proofs. This reduces data breach liability and provides an immutable audit trail for regulators.

SOC 2
Compliance Ready
ZK-Proofs
Privacy Layer
03

Lower Operational Costs

Automate manual verification and data reconciliation processes between legacy CRM/ERP systems and on-chain activity. Eliminate repetitive admin overhead and third-party vendor fees.

60%
Cost Reduction
Automated
Data Sync
04

Faster Time-to-Market for New Features

Leverage our pre-built adapters for systems like Salesforce, SAP, and custom APIs. Launch token-gated experiences or loyalty programs integrated with your existing user base in weeks, not months.

4-6 weeks
Typical Deployment
Pre-built
Adapters
05

Unified Customer View & Analytics

Bridge off-chain purchase history with on-chain wallet activity. Gain a 360-degree view of customer behavior to drive personalized marketing and product decisions with enriched data.

Single Source
Of Truth
Real-time
Analytics Feed
06

Future-Proof Architecture

Build on interoperable standards, not proprietary lock-in. Our modular design ensures your identity layer works across EVM chains (Ethereum, Polygon, Arbitrum) and adapts to new regulations.

Multi-Chain
Compatible
Modular
Design
Structured Migration Path

Phased Integration Tiers

Choose the integration scope that matches your timeline, budget, and technical readiness for connecting legacy identity systems to Web3.

Integration FeatureDiscovery & AuditPilot BridgeFull Migration

Legacy System Analysis (LDAP, Active Directory, OAuth)

Smart Contract Suite (Registry, Verifier, Manager)

Read-Only

Deploy & Test

Deploy & Scale

Custom Connector Development

Blueprint

1 Connector

Unlimited Connectors

On-Chain Credential Schema Design

Advisory

5 Schemas

Custom Framework

User Migration & Data Onboarding

Up to 1K Users

Bulk & Automated

Real-Time Sync & Event Monitoring

Basic Alerts

24/7 Dashboard & SLA

Compliance & Audit Trail

Gap Report

Pilot Logs

Full Immutable Ledger

Ongoing Support & Maintenance

Email

Priority Slack

Dedicated Engineer

Typical Timeline

2-3 Weeks

6-8 Weeks

12+ Weeks

Estimated Investment

$15K - $30K

$75K - $150K

Custom Quote

how-we-deliver
A STRUCTURED APPROACH

Our Delivery Methodology

We de-risk your Web3 identity migration with a proven, phased process designed for enterprise security and regulatory compliance.

01

Discovery & Architecture Design

We conduct a comprehensive audit of your existing identity stack (OAuth, SAML, LDAP) and design a secure, scalable integration architecture using standards like DID, VC, and SIOPv2.

2-3 weeks
Initial Assessment
Zero Downtime
Design Principle
02

Secure Smart Contract Development

Our team builds and audits custom identity registry contracts (ERC-725, ERC-1056) and verification logic with formal verification and gas optimization for predictable costs.

100%
Code Coverage
OpenZeppelin
Security Foundation
03

Hybrid Integration Layer

We deploy a secure middleware layer (REST/GraphQL APIs) that bridges your legacy auth system to on-chain identity protocols, ensuring backward compatibility and seamless user migration.

< 50ms
API Latency
SOC 2
Compliance Ready
04

Staged Migration & User Onboarding

We execute a phased rollout with A/B testing, providing users with non-custodial wallets (via MPC or AA) and clear migration paths to minimize friction and support ticket volume.

> 90%
Adoption Target
24/7
Support During Rollout
05

Continuous Monitoring & Optimization

Post-launch, we provide real-time dashboards for on-chain activity, gas spend analytics, and automated security monitoring to ensure system health and cost efficiency.

99.9%
Uptime SLA
Real-time
Alerting
06

Compliance & Audit Trail

We implement immutable audit logs for all identity events and provide tools for GDPR/CCPA data subject requests, ensuring your integration meets global regulatory standards.

Immutable
Event Logs
GDPR Ready
Compliance
security-compliance
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built by Web3 experts to power your decentralized applications.

We architect and deploy custom smart contracts that form the secure, immutable backbone of your application. Our development process is built on audited code patterns, gas optimization, and comprehensive testing to ensure reliability from day one.

  • Protocols: ERC-20, ERC-721, ERC-1155, ERC-4626, and custom standards.
  • Security: Development with OpenZeppelin libraries and formal verification practices.
  • Delivery: Full suite including source code, deployment scripts, and technical documentation.

Reduce your time-to-market and technical risk with battle-tested contracts designed for mainnet deployment.

We focus on business logic integrity and attack surface minimization. Every contract undergoes unit testing, integration testing, and a security review before we recommend third-party audits from firms like ConsenSys Diligence or CertiK.

Legacy System to Web3 Identity Integration

Frequently Asked Questions

Get clear answers on how we securely bridge your existing user base to decentralized identity systems.

Standard integrations for a single legacy system (e.g., a CRM or user database) take 3-6 weeks from kickoff to production deployment. Complex, multi-system migrations or those requiring custom decentralized identifier (DID) schemas can extend to 8-12 weeks. We provide a detailed project plan with phased milestones during the initial discovery phase.

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