We architect and deploy custom Layer 1/Layer 2 blockchains and decentralized applications (dApps) from the ground up. Our full-cycle development delivers production-ready networks with sub-2-second finality and 99.9% uptime SLAs.
LABS
Services
Rollup Validity Proof Circuit Design
We design and implement high-efficiency ZK-SNARK and STARK circuits for custom rollup state transitions, focusing on proof generation speed and on-chain verification cost reduction.
Chainscore © 2026
overview
FULL-STACK ENGINEERING
Custom Blockchain Development
Build scalable, secure blockchain networks and applications tailored to your business logic.
- Core Protocol Development: Consensus mechanisms (
PoS,PoA), custom virtual machines, and cross-chain bridges. - Smart Contract Suites: Gas-optimized
Solidity/Rustcontracts with formal verification and audit trails. - Node Infrastructure: Managed validator sets, RPC endpoints, and block explorers.
- dApp Frontends: React/Next.js interfaces with seamless
WalletConnectintegration.
From a 2-week proof-of-concept to a mainnet launch in 90 days, we provide the technical leadership to turn your whitepaper into a live network.
key-features-cards
PRODUCTION-READY VALIDITY PROOFS
Core Circuit Design Capabilities
We architect and implement the zero-knowledge circuits that form the cryptographic backbone of your rollup. Our designs prioritize verifier efficiency, developer experience, and long-term security.
01
Custom ZK Circuit Architecture
Design and implementation of custom zkSNARK or zkSTARK circuits for your application logic, ensuring optimal proving times and minimal on-chain verification costs.
Plonk, Halo2
Proving Systems
Circom, Noir
DSL Expertise
02
State Transition Logic
Formal specification and circuit encoding of your rollup's state transition function, guaranteeing deterministic execution and correct state roots for L1 settlement.
Formal Verification
Methodology
EVM, SVM, Move
VM Targets
03
Prover Performance Optimization
Circuit-level optimizations (custom gates, lookup arguments) and hardware acceleration strategies to reduce proving times from hours to minutes, enabling faster finality.
10-100x
Speedup Target
GPU/FPGA
Acceleration
05
Audit-Ready Circuit Code
Development following security-first practices with comprehensive documentation, test coverage, and adherence to standards required for formal audits by firms like Trail of Bits.
100%
Test Coverage
Audit-Ready
Deliverable
06
Verifier Contract Development
Gas-optimized Solidity/Yul verifier contracts for Ethereum or other L1s, implementing the final on-chain verification step with minimal operational overhead.
< 500k gas
Verification Cost
Solidity 0.8+
Standards
benefits
ENGINEERED EFFICIENCY
Business Outcomes: Faster Proofs, Lower Costs
Our validity proof circuit design directly translates to measurable business advantages: accelerated transaction finality and a leaner operational budget. We build for performance and cost-effectiveness from the ground up.
01
Sub-Second Proof Generation
We architect circuits for rapid proof generation, enabling near-instant transaction finality. This reduces user wait times and unlocks high-frequency DeFi and gaming applications.
< 1 sec
Proof Generation
10x
Faster Finality
02
Optimized Prover Costs
Our circuit designs minimize computational complexity, directly lowering the ongoing cost of proof generation (prover costs) by optimizing constraint systems and leveraging efficient cryptographic primitives.
60-80%
Cost Reduction
ZK-SNARKs/STARKs
Optimized Backend
03
Reduced On-Chain Verification
We design for minimal on-chain verification gas costs. Efficient circuit logic and proof compression ensure your L1 settlement remains affordable at scale, protecting your profit margins.
40-70%
Lower Gas Fees
Groth16/Plonk
Efficient Proof Systems
04
High-Throughput Architecture
Build for scale with circuits that support parallel proof generation and batching. Process thousands of transactions per second without compromising security or decentralization.
10k+
TPS Capacity
Parallel
Processing
05
Security-First Circuit Design
Every circuit undergoes rigorous formal verification and audit processes. We implement battle-tested libraries and zero-knowledge cryptography to ensure your rollup's state transitions are mathematically sound.
100%
Formal Verification
OpenZeppelin
Audit Standards
06
Future-Proof & Upgradable
Our modular circuit design allows for seamless upgrades to new proof systems (e.g., transitioning to STARKs) or adding new opcodes without costly redeploys, protecting your long-term investment.
Modular
Architecture
Zero Downtime
Upgrades
Infrastructure Complexity Analysis
Build vs. Buy: Validity Proof Circuit Design
A direct comparison of the engineering effort, risk, and cost between developing validity proof circuits in-house versus partnering with Chainscore Labs.
| Engineering Factor | Build In-House | Partner with Chainscore |
|---|---|---|
Initial Development Timeline | 6-12 months | 4-8 weeks |
Team Composition Required | 2-3 Senior Cryptographers, 2-3 ZK Engineers | Dedicated Project Team from Chainscore |
Circuit Audit & Security Review | High Risk (Requires external audit: $50K-$150K+) | Included (Pre-audited patterns, internal review) |
Ongoing Maintenance & Upgrades | Full-time engineering overhead | Optional SLA with dedicated support |
Total First-Year Cost | $300K - $750K+ | $80K - $200K |
Time to First Production Proof | 9+ months | < 3 months |
Expertise in ZK Proof Systems (Plonk, STARKs, Groth16) | Must be developed/hired | Included (Core competency) |
Integration with Provers (gnark, Halo2, etc.) | Your team's responsibility | Handled end-to-end |
Performance Optimization (Constraint Count, Proving Time) | Trial and error; slow iteration | Proven optimization libraries and techniques |
Future-Proofing (EVM Upgrades, Hard Forks) | Your team's responsibility | Managed as part of service agreement |
how-we-deliver
STRUCTURED DEVELOPMENT
Our Delivery Process: From Logic to On-Chain Verification
A transparent, milestone-driven approach that transforms your business logic into a production-ready, verifiable rollup circuit. We guarantee clear deliverables at every stage.
01
1. Formal Specification & Architecture
We translate your application's business logic into a formal, mathematical specification using tools like Circom or Cairo. This creates a single source of truth for the entire circuit design, eliminating ambiguity and ensuring the final proof verifies exactly what you intend.
100%
Requirement Coverage
1-2 weeks
Delivery Time
02
2. Circuit Design & Implementation
Our engineers build the zero-knowledge circuit, focusing on constraint efficiency and security. We implement the spec using industry-standard frameworks (e.g., Halo2, Plonky2) and apply gas optimization techniques specific to your target L1 (Ethereum, Polygon zkEVM).
40-60%
Gas Cost Reduction
OpenZeppelin
Security Patterns
03
3. Rigorous Testing & Auditing
Every circuit undergoes exhaustive unit, integration, and fuzz testing. We provide a formal audit report and can facilitate third-party audits with firms like Trail of Bits. This stage ensures mathematical correctness and resilience against adversarial inputs.
100%
Test Coverage
Zero Critical Bugs
Guarantee
04
4. Prover Optimization & Benchmarking
We optimize the proving system for performance and cost, targeting sub-10 second proof generation where possible. We deliver benchmark reports comparing proving times and costs across different hardware setups (CPU/GPU).
< 10 sec
Target Proof Time
AWS/GCP Ready
Infrastructure
05
5. Verifier Contract Deployment
We deploy the optimized, audited verifier smart contract to your chosen network. This includes comprehensive on-chain testing, gas consumption analysis, and the creation of a upgradeability/management layer if required.
Mainnet Ready
Deployment
Full Gas Report
Deliverable
06
6. Integration Support & Documentation
We provide complete integration kits (SDKs, API examples) and technical documentation, enabling your engineering team to seamlessly generate proofs off-chain and verify them on-chain. Includes 30 days of post-deployment support.
Full SDK
Included
30 days
Support SLA
tech-stack
BUILT ON INDUSTRY STANDARDS
Proven Tools & Protocols
We design validity proof circuits using battle-tested frameworks and cryptographic libraries, ensuring security, efficiency, and interoperability from day one.
Technical & Commercial Considerations
Frequently Asked Questions on Validity Proof Circuit Design
Get clear, specific answers to the most common questions CTOs and technical founders ask when evaluating a validity proof circuit development partner.
We follow a structured 4-phase engagement: Discovery & Scoping (1-2 weeks), where we define requirements and architecture; Circuit Design & Implementation (3-6 weeks), where we write and test the ZK circuits; Integration & Audit (2-4 weeks), integrating with your L2 stack and conducting security reviews; and Deployment & Support. We provide a fixed-price proposal after the discovery phase, with clear deliverables and milestones.
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