We architect and deploy production-grade smart contracts that are secure by design. Our development process integrates formal verification and multi-audit cycles to ensure your core business logic is bulletproof before mainnet deployment.
LABS
Services
Decentralized Identity Attestation Bridge
Engineer secure bridges that port verifiable credentials and decentralized identity (DID) attestations, enabling portable reputation and compliance across metaverse platforms.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, gas-optimized smart contracts built to your exact specifications.
- Custom Logic: From
ERC-20tokens andERC-721NFTs to complex DeFi protocols and DAO governance systems. - Gas Optimization: Every line of
Solidity 0.8+code is reviewed for efficiency, reducing user transaction costs by up to 40%. - Security First: Built with
OpenZeppelinlibraries and subjected to 3+ independent audits (including manual review and static analysis). - Full Lifecycle: We handle development, testing, deployment, and post-launch maintenance with 99.9% uptime SLAs.
Deploy a vetted, secure smart contract foundation in as little as 2 weeks, accelerating your time-to-market while mitigating catastrophic risk.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Technical Capabilities
Our Decentralized Identity Attestation Bridge is built on battle-tested protocols and security-first architecture, delivering the reliability and compliance required for production applications.
01
Cross-Chain Attestation Engine
Securely verify and port identity credentials across EVM, Solana, and Cosmos chains using our proprietary bridge protocol. Eliminate vendor lock-in and enable seamless user onboarding.
12+
Supported Chains
< 5 sec
Verification Time
02
Zero-Knowledge Proof Integration
Implement privacy-preserving verification with zk-SNARKs and zk-STARKs. Users prove credential validity without exposing sensitive data, ensuring GDPR and CCPA compliance.
Circom & Halo2
Proving Systems
90%
Gas Cost Reduction
04
Modular Smart Contract Architecture
Deploy customizable, upgradeable identity registries and attestation logic using our library of OpenZeppelin-based, gas-optimized Solidity contracts.
Solidity 0.8.23+
Codebase
3 Audits
Security Reviews
05
High-Availability Relay Network
Our globally distributed node network ensures 24/7 attestation availability with automatic failover, backed by a 99.95% uptime SLA for enterprise clients.
99.95%
Uptime SLA
< 100ms
P95 Latency
06
Compliance & Audit Trail
Generate immutable, on-chain logs for all attestation events. Our system provides full transparency for regulators and internal compliance teams.
Immutable
Audit Logs
SOC 2
Framework
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our Decentralized Identity Attestation Bridge delivers concrete, measurable results for your Web3 application. We focus on the technical and business outcomes that matter most to your team.
01
Seamless User Onboarding
Reduce user acquisition friction by 70% with our plug-and-play SDK. Enable users to onboard in under 30 seconds using verified credentials from existing Web2 platforms, eliminating manual KYC.
< 30 sec
Onboarding Time
70%
Friction Reduction
02
Regulatory Compliance by Design
Deploy with confidence. Our bridge architecture is built to meet GDPR, eIDAS, and emerging Web3 regulations. We provide attestation logic that enforces jurisdictional rules at the protocol level.
GDPR/eIDAS
Compliance Ready
Audit Logs
Full Traceability
03
Interoperable Identity Layer
Connect to any chain or standard. We provide adapters for Ethereum (ERC-725/ERC-735), Polygon, Solana, and cross-chain protocols, making user identity portable across your entire ecosystem.
6+
Protocols Supported
Zero Downtime
Cross-Chain Sync
04
Enterprise-Grade Security & SLAs
Protect your platform and users. Our infrastructure offers 99.9% uptime SLAs, private key management via MPC, and attestation logic formally verified by leading security firms.
99.9%
Uptime SLA
MPC
Key Security
05
Reduced Development Overhead
Launch your identity features in weeks, not months. Our managed service handles bridge maintenance, validator nodes, and schema updates, freeing your team to focus on core product logic.
< 4 weeks
Integration Time
24/7
Managed Operations
06
Provable Trust & Reputation
Build sophisticated gating and reputation systems. Leverage verifiable, tamper-proof attestations from trusted issuers to create token-gated experiences, credit scoring, and Sybil-resistant communities.
Zero-Knowledge
Privacy Options
Sybil-Resistant
Community Design
Strategic Decision Analysis
Build vs. Buy: Identity Bridge Development
A detailed comparison of the costs, risks, and resource allocation required for developing a decentralized identity attestation bridge in-house versus leveraging Chainscore's enterprise-grade solution.
| Factor | Build In-House | Chainscore |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $200K - $500K+ | $50K - $150K |
Security & Audit Overhead | High (unaudited, custom code) | Low (pre-audited, battle-tested modules) |
Ongoing Maintenance & Updates | Requires dedicated team (2-3 FTE) | Fully managed service with optional SLA |
Protocol & Standard Support | Manual integration (W3C VC, EIP-712, etc.) | Pre-built for Ethereum, Polygon, Base, Solana |
Attestation Throughput | Scalability challenges | 10,000+ verifications per second |
Compliance & Privacy Features | Custom implementation risk | ZK-proofs, selective disclosure built-in |
Total 3-Year Cost of Ownership | $750K - $1.5M+ | $150K - $300K |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Integration Process
A structured, transparent workflow designed for enterprise-grade security and rapid deployment. We deliver a production-ready Decentralized Identity Attestation Bridge in weeks, not months.
01
Architecture & Protocol Design
We design a custom bridge architecture, selecting optimal standards (Verifiable Credentials, DID, EIP-712) and target chains (EVM, Solana, Cosmos) to meet your specific attestation and verification needs.
2-3 days
Design Sprint
5+ Standards
Supported
02
Smart Contract Development & Audit
Our team builds secure, gas-optimized smart contracts for credential issuance, revocation, and on-chain verification. Every contract undergoes internal review and is prepared for third-party audit.
OpenZeppelin
Security Patterns
100% Coverage
Test Target
03
Off-Chain Attestation Service
We deploy a secure, scalable backend service for credential signing, key management, and privacy-preserving ZK-proof generation, ensuring issuer sovereignty and user data control.
99.9% SLA
Service Uptime
< 100ms
Signing Latency
04
SDK & Frontend Integration
Receive a developer-friendly SDK and modular UI components (React/Web3.js) for seamless integration into your dApp, wallet, or platform, enabling instant credential issuance and verification.
< 1 week
Integration Time
Full Docs
Included
05
Security Audit & Penetration Testing
We facilitate a formal security audit with a leading firm (e.g., Trail of Bits, Quantstamp) and conduct comprehensive penetration testing on the entire system before mainnet deployment.
Certified Auditors
Partner Network
Critical = 0
Release Criteria
06
Deployment & Ongoing Support
We manage the production deployment, configure monitoring/alerting, and provide ongoing technical support with clear SLAs for maintenance, upgrades, and incident response.
2 weeks
Avg. Deployment
24/7
Support Coverage
security
SERVICE
Custom Smart Contract Development
Secure, production-ready smart contracts built for your specific Web3 use case.
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 and gas-optimized Solidity 0.8+, ensuring reliability from day one.
From initial concept to mainnet deployment, we handle the full lifecycle with a focus on security and scalability.
- Token Systems: Custom
ERC-20,ERC-721, andERC-1155contracts with advanced features like vesting, staking, and governance. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield aggregators with sub-second finality.
- Enterprise Logic: Multi-signature wallets, supply chain tracking, and asset tokenization for real-world integration.
- Security First: Every contract undergoes rigorous internal review and is prepared for third-party audits by firms like CertiK or OpenZeppelin.
Decentralized Identity Attestation Bridge
Frequently Asked Questions
Get clear answers on our process, security, and implementation for building a secure identity bridge.
A standard deployment takes 4-6 weeks from kickoff to mainnet launch. This includes 2 weeks for architecture and smart contract development, 1 week for integration and testing, and 1-2 weeks for security audits and final deployment. Complex integrations with existing KYC/AML systems or custom attestation logic can extend this timeline, which we scope 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
Confidentiality24h Response
Time to ValueDirectly to Engineering Team
No Sales Fluff10+
Protocols Shipped
$20M+
TVL Overall