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Full-Stack Web3 dApp Development
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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

Privacy-Preserving Encrypted Storage API

A production-ready API suite for dApps to store user data with end-to-end encryption on decentralized networks. We handle the infrastructure; you retain zero-knowledge of user data while enabling compliant attestations.
Chainscore © 2026
overview
CORE INFRASTRUCTURE

Smart Contract Development

Secure, audited smart contracts built for production, from MVP to enterprise scale.

We architect and deploy custom smart contracts that form the foundation of your Web3 product. Our development process is built for security and speed, delivering a production-ready MVP in 2-3 weeks. We specialize in:

  • Token Systems: Custom ERC-20, ERC-721, and ERC-1155 with advanced minting, vesting, and governance logic.
  • DeFi Protocols: Automated Market Makers (AMMs), liquidity pools, staking, and yield aggregators.
  • Enterprise Logic: Multi-signature wallets, access control systems, and cross-chain asset bridges.

Every contract undergoes a rigorous security-first development cycle, including formal verification and audits against the latest attack vectors.

Our engineers write in Solidity 0.8+ and Rust (for Solana) using established patterns from OpenZeppelin and Solana Program Library. We provide:

  • Full test coverage (>95%) and deployment scripts for EVM and non-EVM chains.
  • Gas optimization reports to reduce user transaction costs by up to 40%.
  • Comprehensive documentation and post-deployment monitoring support.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE

Core Technical Capabilities

Our encrypted storage API provides the foundational security and performance layer for Web3 applications, built on verifiable cryptographic primitives and battle-tested infrastructure.

benefits
ENTERPRISE-READY INFRASTRUCTURE

Business Outcomes for Your Product

Our encrypted storage API delivers measurable advantages that accelerate development, reduce risk, and unlock new product capabilities. Here’s what you can build and guarantee to your users.

The Strategic Choice for Web3 Teams

Build vs. Buy: Encrypted Storage Infrastructure

A detailed comparison of the time, cost, and risk involved in developing your own encrypted storage layer versus leveraging Chainscore's battle-tested API. Designed for CTOs making infrastructure decisions.

FactorBuild In-HouseChainscore API

Time to Production

6-12+ months

2-4 weeks

Initial Development Cost

$250K - $600K+

$0 (Pay-as-you-go API)

Core Expertise Required

Cryptography, Key Management, ZKPs, Storage Protocols

API Integration (REST/GraphQL)

Security & Audit Overhead

High (Unaudited, custom risk)

Low (Audited, SOC 2 Type II compliant)

Ongoing Maintenance & Scaling

Dedicated 2-3 person team

Fully managed, auto-scaling infrastructure

Uptime & Reliability SLA

Your responsibility (typically <99%)

99.9% Guaranteed SLA

Multi-Chain & Protocol Support

Custom per-chain implementation

Ethereum, Solana, Polygon, Base, Arbitrum, Avalanche

Total Cost of Ownership (Year 1)

$500K - $1.2M+

Starting at $50K (scales with usage)

Compliance & Data Sovereignty

Build from scratch

GDPR-ready, configurable data regions

how-we-deliver
PROVEN PROCESS

Our Delivery Methodology

We deliver production-ready encrypted storage infrastructure through a structured, security-first approach that ensures compliance, reliability, and rapid integration.

01

Architecture & Threat Modeling

We begin with a collaborative design session to map your data flows, identify sensitive data at rest and in transit, and define encryption boundaries. This results in a formal threat model and a tailored architecture using Zero-Knowledge Proofs (ZKPs) or Fully Homomorphic Encryption (FHE) where appropriate.

1-2 days
Design Sprint
Formal Model
Deliverable
02

Implementation & Core Integration

Our engineers build the encrypted storage layer using audited libraries like libsodium and tweetnacl-js. We integrate directly with your stack (Node.js, Python, Go) and blockchain (EVM, Solana, Cosmos), handling key management, encryption/decryption hooks, and initial performance benchmarking.

2-3 weeks
Core Build
Multi-Chain
Compatibility
03

Security Audit & Penetration Testing

Every implementation undergoes rigorous internal review followed by a dedicated audit cycle. We test for cryptographic vulnerabilities, side-channel attacks, and key leakage scenarios, providing a verifiable audit report before deployment.

Audit Report
Deliverable
OWASP Top 10
Coverage
04

Deployment & SLA Activation

We manage the deployment of your dedicated encrypted storage API endpoints with load balancing, automatic key rotation, and monitoring. This phase activates our 99.9% uptime SLA and 24/7 security incident response protocol.

99.9%
Uptime SLA
< 1 week
Go-Live
Privacy-Preserving Encrypted Storage API

Frequently Asked Questions

Get specific answers about our zero-knowledge encrypted storage service for Web3 applications.

Our API is built for Web3, offering end-to-end encryption with zero-knowledge proofs. Unlike AWS S3 or Google Cloud, data is encrypted client-side before upload, and we never have access to the decryption keys. We provide on-chain verifiable proofs of storage and support decentralized storage backends like IPFS and Arweave, giving you cryptographic guarantees of data integrity and privacy that traditional providers cannot.

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
Encrypted Storage API for Web3 | Chainscore Labs | ChainScore Guides