We architect and deploy custom Solidity/Rust smart contracts that form the backbone of your application. Every contract is built with security-first principles, utilizing OpenZeppelin libraries and undergoing rigorous internal audits before deployment.
Privacy-Preserving Identity Protocol Design
Smart Contract Development
Secure, production-ready smart contracts built for your specific business logic.
Move from concept to mainnet in weeks, not months, with battle-tested code.
- Custom Logic: Implement complex business rules for DeFi, NFTs, DAOs, or enterprise workflows.
- Gas Optimization: Write efficient code to minimize transaction costs for your users.
- Full Audit Trail: Receive comprehensive documentation and a security review report for each contract.
Core Cryptographic Capabilities We Deliver
We design and build the cryptographic foundation for your identity protocol, ensuring privacy, security, and seamless integration. Our implementations are production-ready, audited, and built for scale.
Business Outcomes of Privacy-First Identity
Our privacy-preserving identity protocols deliver measurable business advantages, from regulatory compliance to unlocking new revenue streams. We build for impact.
Regulatory Compliance by Design
Architected with GDPR, CCPA, and MiCA principles in mind. We implement Zero-Knowledge Proofs and selective disclosure to ensure data minimization and user consent, reducing legal overhead and audit risk.
Reduced Onboarding Friction
Replace manual KYC with reusable, verifiable credentials. Users prove eligibility without revealing sensitive data, cutting sign-up time from days to seconds and boosting conversion rates by up to 40%.
New Monetization Models
Enable privacy-preserving data marketplaces and proof-of-humanity gating. Create revenue from verified, anonymized user insights and exclusive community access without compromising individual privacy.
Enhanced Security & Trust
Eliminate centralized data honeypots. Our decentralized identity (DID) and verifiable credential systems are built on audited smart contracts (ERC-725, ERC-1056), significantly reducing breach liability.
Interoperable Identity Layer
Build once, deploy across chains and dApps. Our protocols use W3C Verifiable Credentials and DIF standards, ensuring your identity solution works seamlessly across Ethereum, Polygon, and other EVM chains.
Scalable Infrastructure
Designed for enterprise load. Leverage zk-SNARKs and state channels for high-throughput verification, supporting millions of concurrent users with sub-second response times and predictable gas costs.
Structured Protocol Development Packages
Compare our tiered service packages designed to deliver production-ready, privacy-preserving identity protocols with clear scope, deliverables, and support levels.
| Capability | Starter | Professional | Enterprise |
|---|---|---|---|
Core Protocol Design & Architecture | |||
Zero-Knowledge Proof Circuit Development | |||
On-Chain Verifier Smart Contracts | |||
Comprehensive Security Audit (2 Firms) | |||
Multi-Chain Deployment (EVM, L2s) | 1 Chain | Up to 3 Chains | Unlimited |
Integration SDK & Developer Docs | Basic | Advanced | Advanced + Examples |
Performance & Load Testing | |||
Post-Launch Monitoring & Support | 30 Days | 6 Months | 12 Months SLA |
Dedicated Technical Account Manager | |||
Estimated Timeline | 6-8 Weeks | 10-14 Weeks | Custom |
Typical Project Investment | From $50K | From $150K | Contact for Quote |
Our Development & Audit Methodology
A rigorous, multi-layered process designed to deliver secure, scalable, and production-ready identity protocols. We combine formal verification with real-world testing to mitigate risks before mainnet deployment.
Architecture & Specification
We begin with threat modeling and formal protocol specification using TLA+ or similar tools. This phase defines the cryptographic primitives (zk-SNARKs, zk-STARKs, BBS+ signatures) and data flow, ensuring the design is sound before a single line of code is written.
Implementation & Code Review
Development in Rust, Solidity, or Go following secure coding patterns. Every commit undergoes peer review against a security checklist, focusing on cryptographic correctness, gas efficiency, and resistance to common Web3 vulnerabilities.
Automated Security Testing
Continuous integration with static analysis (Slither, MythX), fuzzing (Echidna, Foundry), and property-based testing. We simulate adversarial scenarios to uncover edge cases in privacy logic and consensus mechanisms.
Manual Expert Audit
Deep-dive review by our senior security engineers, focusing on cryptographic implementation, zero-knowledge circuit logic, and economic incentives. We provide a detailed vulnerability report with severity ratings and remediation guidance.
Testnet Deployment & Monitoring
Deployment to a dedicated testnet (e.g., Sepolia, Holesky) for integration testing and bug bounty preparation. We monitor for anomalies and performance under load to ensure protocol stability.
Mainnet Launch & Incident Response
Managed mainnet deployment with phased rollouts and real-time monitoring dashboards. We provide 24/7 incident response support for the first 30 days, with defined SLAs for critical issue resolution.
Privacy-Preserving Identity Protocol FAQ
Answers to common questions from CTOs and product leads evaluating custom identity protocol development.
A standard privacy-preserving identity protocol with core ZK-proof verification and credential issuance takes 6-10 weeks from design to mainnet deployment. This includes 2 weeks for architecture design and threat modeling, 3-4 weeks for core smart contract and circuit development, 2 weeks for internal security audits, and 1-2 weeks for deployment and integration support. Complex integrations with existing KYC systems or multi-chain architectures can extend this timeline, which we scope and quote for upfront.
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Our experts will offer a free quote and a 30min call to discuss your project.