KYC On-Chain Data Encryption | Chainscore Labs

overview

CORE SERVICE

Smart Contract Development

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

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

Full-Spectrum Development: From ERC-20 tokens and ERC-721 NFTs to complex DeFi logic, cross-chain bridges, and DAO governance systems.
Security-First Approach: Every line undergoes peer review, automated analysis with Slither/MythX, and is built for formal verification.
Gas Optimization: We write efficient code to reduce user transaction costs by 15-40%, a critical factor for adoption and scalability.

We deliver a fully audited, deployable codebase in as little as 2-4 weeks for an MVP, accelerating your time-to-market.

Our engineers don't just write code; we design for the blockchain's constraints. We ensure your contracts are:

Upgradeable: Using transparent proxy patterns (UUPS) for seamless, secure updates.
Composable: Built to integrate with major DeFi primitives and oracles like Chainlink.
Well-Documented: Complete with NatSpec comments and technical specs for your team and future auditors.

key-features-cards

ENTERPRISE-GRADE SECURITY

Core Cryptographic Capabilities We Implement

Our on-chain KYC encryption service leverages battle-tested cryptographic primitives to secure sensitive user data without compromising blockchain transparency or user sovereignty.

Zero-Knowledge Proofs (ZKPs)

Implement zk-SNARKs and zk-STARKs to prove KYC compliance without revealing the underlying PII. Enables selective disclosure for regulatory checks while preserving user privacy on-chain.

EXPLORE

Fully Homomorphic Encryption (FHE)

Process encrypted KYC data directly on-chain. Perform computations like age verification or sanction screening without ever decrypting the data, maintaining end-to-end confidentiality.

EXPLORE

Multi-Party Computation (MPC)

Distribute trust across multiple parties for key management and data validation. Eliminates single points of failure for KYC data access, meeting institutional security requirements.

EXPLORE

Threshold Signature Schemes (TSS)

Secure private key management for encrypted data access. Requires a predefined threshold of authorized parties to sign, preventing unauthorized decryption of sensitive user information.

EXPLORE

Commitment Schemes & Verifiable Credentials

Anchor hashed KYC attestations on-chain using Pedersen commitments. Issue W3C-compliant verifiable credentials that users can present across dApps without re-submitting data.

EXPLORE

Post-Quantum Cryptography (PQC) Ready

Future-proof your KYC infrastructure with lattice-based and hash-based cryptographic algorithms. Our architecture is designed for seamless migration to quantum-resistant standards.

EXPLORE

benefits

ENTERPRISE-READY INFRASTRUCTURE

Business Outcomes: Compliance Meets Decentralization

Our KYC On-Chain Data Encryption Service delivers the technical foundation for regulated Web3 products. We enable you to build with user privacy and regulatory certainty, without sacrificing decentralization or performance.

Audit-Ready Data Handling

We implement a Zero-Knowledge Proof architecture for KYC verification, providing cryptographic proof of compliance without exposing user PII. This creates an immutable, verifiable audit trail for regulators.

SOC 2 Type II

Compliance Framework

ZK-SNARKs

Privacy Technology

Frictionless User Onboarding

Integrate a seamless, white-labeled KYC flow that reduces drop-off rates. Users verify once, and the proof is reusable across your dApp ecosystem, eliminating repetitive checks.

< 2 min

Average Verification Time

90%+

Onboarding Completion

Regulatory Jurisdiction Mapping

Our system is built to adapt to global AML/CFT frameworks (FATF Travel Rule, MiCA, etc.). We manage the logic for jurisdiction-specific rules, future-proofing your application.

50+

Supported Jurisdictions

Real-time

Rule Updates

Secure, Encrypted Data Vaults

Sensitive user data is encrypted and stored in our certified off-chain vaults, with access controlled via on-chain permissions. We handle key management and data sovereignty requirements.

AES-256 / RSA-4096

Encryption Standards

GDPR / CCPA

Data Law Compliance

Gas-Optimized On-Chain Operations

Our smart contracts are optimized for cost-efficiency. Verifying a KYC proof on-chain consumes minimal gas, keeping transaction costs low for you and your users.

< 100k gas

Avg. Verification Cost

Solidity 0.8.23+

Contract Standard

Developer-First Integration

Get production-ready with our SDKs and APIs in under two weeks. Includes comprehensive documentation, testnet environments, and dedicated technical support.

< 14 days

Time to Production

REST & GraphQL

API Options

Infrastructure Decision Matrix

Build vs. Buy: KYC Data Storage Options

A detailed comparison of the cost, risk, and resource investment required for managing KYC data encryption in-house versus using Chainscore's managed service.

Factor	Build In-House	Chainscore Managed Service
Time to Production	6-12 months	2-4 weeks
Initial Development Cost	$150K - $300K+	$25K - $75K
Annual Maintenance Cost	$80K - $150K (team, infra)	$15K - $50K (SLA)
Security & Audit Burden	Your responsibility (high risk)	Our responsibility (audited, insured)
Compliance Updates	Manual, reactive updates	Automated, proactive compliance
Data Sovereignty Control	Full control, full liability	Zero-knowledge, you retain keys
Integration Complexity	High (custom connectors)	Low (standardized APIs & SDKs)
Uptime & Reliability SLA	You build it (typically <99%)	99.95% Guaranteed
Team Expertise Required	Cryptography, blockchain, DevOps	Your existing Web3 devs
Scalability & Upgrades	Manual scaling, upgrade cycles	Handled automatically, zero downtime

how-we-deliver

PROVEN METHODOLOGY

Our Implementation Process: From Audit to Mainnet

A structured, security-first approach to deploying your encrypted KYC solution. We manage the entire lifecycle, ensuring compliance, performance, and seamless integration with your existing stack.

1. Security Audit & Architecture Review

We begin with a comprehensive review of your existing KYC data flows and smart contract architecture. Our team identifies vulnerabilities and designs a zero-knowledge proof or homomorphic encryption strategy tailored to your compliance requirements.

100%

Audit Coverage

< 72 hours

Initial Report

2. Custom Encryption Module Development

Our engineers build and test the core encryption logic—using ZK-SNARKs (e.g., Circom), FHE libraries, or secure multi-party computation—ensuring on-chain data remains private while remaining verifiable. We deliver modular, auditable code.

Sol 0.8+ / Rust

Tech Stack

OpenZeppelin

Security Patterns

3. Integration & Staging Deployment

We integrate the encryption layer with your smart contracts and off-chain systems on a testnet or private staging environment. This phase includes end-to-end testing of user flows, gas optimization, and compliance rule validation.

Testnet / Sepolia

Deployment Target

2-3 weeks

Typical Timeline

4. Final Audit & Penetration Testing

The complete system undergoes a final security audit by our internal team and optional third-party reviewers. We conduct penetration testing to simulate real-world attacks on the data encryption and access control mechanisms.

Internal + 3rd Party

Audit Layers

OWASP Top 10

Testing Standard

5. Mainnet Deployment & Monitoring

We manage the secure mainnet deployment with phased rollouts and real-time monitoring. Our team provides 24/7 oversight of encryption key health, data access logs, and system performance post-launch.

99.9%

Uptime SLA

24/7

Monitoring

6. Ongoing Compliance & Upgrades

We provide continuous support for regulatory updates (e.g., Travel Rule, MiCA), encryption standard upgrades, and scalability improvements. Our service includes quarterly security reviews and performance optimization.

Quarterly

Security Reviews

SLA-Backed

Support

security-compliance

SECURE FOUNDATIONS

Smart Contract Development

Enterprise-grade smart contracts built for security, scalability, and seamless integration.

We architect and deploy production-ready smart contracts on EVM and Solana, ensuring your core business logic is secure and efficient. Our process delivers audit-ready code from day one, significantly reducing time-to-market and technical debt.

Custom Development: ERC-20, ERC-721, ERC-1155, DeFi primitives, DAO tooling, and bespoke logic.
Security-First: Built with OpenZeppelin standards, formal verification, and comprehensive unit/integration testing.
Full Lifecycle Support: From initial design and development through to deployment, monitoring, and upgrade management via transparent proxies.

We deliver contracts you can trust, with a focus on gas optimization and future-proof architecture to support your growth.

Technical & Commercial Details

Frequently Asked Questions on KYC Encryption

Get clear answers on how our on-chain KYC encryption service works, from implementation to compliance and long-term support.

Our service uses a hybrid cryptographic architecture. We deploy a secure off-chain enclave that holds the master decryption keys. User KYC data is encrypted client-side using public-key cryptography before being stored on-chain. Authorized parties (like regulators or compliance officers) can request decryption via a secure, audited API that validates permissions against an on-chain access control list. The raw data never leaves the secure enclave during decryption.

KYC On-Chain Data Encryption Service

Smart Contract Development

Core Cryptographic Capabilities We Implement

Zero-Knowledge Proofs (ZKPs)

Fully Homomorphic Encryption (FHE)

Multi-Party Computation (MPC)

Threshold Signature Schemes (TSS)

Commitment Schemes & Verifiable Credentials

Post-Quantum Cryptography (PQC) Ready

Business Outcomes: Compliance Meets Decentralization

Audit-Ready Data Handling

Frictionless User Onboarding

Regulatory Jurisdiction Mapping

Secure, Encrypted Data Vaults

Gas-Optimized On-Chain Operations

Developer-First Integration

Build vs. Buy: KYC Data Storage Options

Our Implementation Process: From Audit to Mainnet

1. Security Audit & Architecture Review

2. Custom Encryption Module Development

3. Integration & Staging Deployment

4. Final Audit & Penetration Testing

5. Mainnet Deployment & Monitoring

6. Ongoing Compliance & Upgrades

Smart Contract Development

Frequently Asked Questions on KYC Encryption

Get a free quote.

Get In Touch
today.

KYC On-Chain Data Encryption Service

Smart Contract Development

Core Cryptographic Capabilities We Implement

Zero-Knowledge Proofs (ZKPs)

Fully Homomorphic Encryption (FHE)

Multi-Party Computation (MPC)

Threshold Signature Schemes (TSS)

Commitment Schemes & Verifiable Credentials

Post-Quantum Cryptography (PQC) Ready

Business Outcomes: Compliance Meets Decentralization

Audit-Ready Data Handling

Frictionless User Onboarding

Regulatory Jurisdiction Mapping

Secure, Encrypted Data Vaults

Gas-Optimized On-Chain Operations

Developer-First Integration

Build vs. Buy: KYC Data Storage Options

Our Implementation Process: From Audit to Mainnet

1. Security Audit & Architecture Review

2. Custom Encryption Module Development

3. Integration & Staging Deployment

4. Final Audit & Penetration Testing

5. Mainnet Deployment & Monitoring

6. Ongoing Compliance & Upgrades

Smart Contract Development

Frequently Asked Questions on KYC Encryption

Get In Touch today.

Get In Touch
today.