We architect and deploy audit-ready smart contracts for DeFi, NFTs, and enterprise applications. Our team delivers custom logic for tokens (ERC-20, ERC-721, ERC-1155), automated market makers, staking protocols, and multi-signature wallets.
LABS
Services
StarkNet Cairo Verifiable Storage Proof Service
We develop and implement Cairo programs on StarkNet to generate zero-knowledge proofs for data inclusion in large-scale archives. Deliver privacy-preserving, scalable integrity verification for your permanent web archiving projects.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts.
- Security-First Development: Built with
Solidity 0.8+andOpenZeppelinlibraries, following industry best practices. - Rapid Delivery: Go from concept to testnet in 2-3 weeks with our streamlined process.
- Full Lifecycle Support: Includes comprehensive testing, deployment scripts, and documentation.
We focus on delivering secure, gas-optimized code that forms the unbreakable foundation for your on-chain product.
key-features-cards
VERIFIABLE STORAGE PROOFS
Core Technical Capabilities
Our Cairo-based StarkNet service delivers production-ready verifiable storage proofs, enabling trustless data access and seamless cross-chain interoperability for your decentralized applications.
05
Scalable Proof Relay Infrastructure
Deploy with reliable, scalable infrastructure for proof submission and verification. We manage the relay layer that submits proofs to L1, handles reorgs, and ensures data availability, providing a 99.9% uptime SLA for critical cross-chain operations.
99.9%
Uptime SLA
Auto-Retry
Reorg Handling
06
Custom Proof Circuit Design
Go beyond standard proofs with custom Cairo circuits tailored to your application's logic. We design and implement optimized circuits for complex verification predicates, such as proving specific DeFi transaction histories or NFT ownership states, maximizing efficiency.
Custom Logic
Flexibility
Gas-Optimized
Focus
benefits
DELIVERABLES
Business Outcomes for Your Archive
Our StarkNet Cairo verifiable storage proof service delivers concrete infrastructure improvements, directly impacting your product's performance, security, and cost structure.
01
Reduced Infrastructure Overhead
Eliminate the need to run and maintain your own full StarkNet sequencer node. We handle the archival infrastructure, freeing your team to focus on core product development.
> 70%
Ops Cost Reduction
24/7
Managed Support
02
Enhanced Data Integrity & Security
Leverage cryptographically verifiable storage proofs generated in Cairo. Ensure the data powering your dApp or bridge is tamper-proof and sourced directly from the canonical L1 chain.
100%
Proof Verifiability
L1 Finality
Data Source
03
Faster Time-to-Market
Integrate production-ready verifiable proofs in weeks, not months. Our pre-built, audited Cairo circuits and APIs accelerate development for bridges, oracles, and on-chain games.
< 3 weeks
Integration Time
Pre-Audited
Cairo Circuits
04
Scalable Proof Generation
Access high-throughput proof generation capable of handling enterprise-scale data requests. Our system scales with your user base, maintaining sub-2-second response times under load.
99.9%
Uptime SLA
< 2 sec
P95 Latency
StarkNet Storage Proofs
Implementation Tiers & Deliverables
Compare our service packages for integrating verifiable storage proofs into your StarkNet application, from audit to full-scale production.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Cairo 1.0 Storage Proof Contract Audit | |||
Gas-Optimized Proof Verification Logic | |||
Deployment & Integration Support | |||
Custom State Commitment Schema Design | |||
Proof Generation API Endpoint | |||
24/7 Monitoring & Alerting | |||
Guaranteed Response Time SLA | Best Effort | < 24 Hours | < 4 Hours |
Recurring Security Review | Annual | Quarterly | |
Dedicated Technical Account Manager | |||
Estimated Implementation Timeline | 2-3 Weeks | 4-6 Weeks | 6-8 Weeks |
Starting Price | $15,000 | $45,000 | Custom Quote |
how-we-deliver
PROVEN METHODOLOGY
Our Development Process
Our systematic approach to StarkNet verifiable storage proofs ensures predictable delivery, enterprise-grade security, and seamless integration into your existing infrastructure.
01
Architecture & Proof Design
We design the optimal storage proof circuit for your use case—whether it's for data availability, state validation, or cross-chain verification—using Cairo 1.0 and the latest STARK prover libraries.
Cairo 1.0
Protocol
2-4 weeks
Design Phase
02
Circuit Implementation & Optimization
Our engineers write and rigorously optimize the Cairo code for your proof system, focusing on minimizing prover time and on-chain verification costs to ensure economic viability.
< 0.1 ETH
Target Verify Cost
OpenZeppelin
Security Patterns
04
Integration & Deployment
We handle the full deployment lifecycle on StarkNet Mainnet or Testnet, including prover backend setup, smart contract deployment, and SDK creation for your application layer.
Mainnet Ready
Delivery
Full SDK
Included
StarkNet Cairo Verifiable Storage Proofs
Frequently Asked Questions
Get clear, technical answers about our specialized service for building secure, high-performance storage proofs on StarkNet.
A Verifiable Storage Proof (VSP) is a cryptographic attestation that specific data existed in a certain state at a given time, without needing to trust the prover. On StarkNet, we implement these using Cairo to create STARK proofs that are verified on-chain. You need this service to build applications like trustless bridges, data availability layers, historical state proofs for DeFi, or any system requiring verifiable off-chain data with L1 security guarantees.
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