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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

Custom ZK Circuit Development

End-to-end engineering of bespoke arithmetic circuits for your business logic. We translate complex application requirements into efficient, secure, and verifiable zero-knowledge proof statements.
Chainscore © 2026
overview
CORE SERVICE

Smart Contract Development

Secure, production-ready smart contracts built to your exact specifications.

We architect and deploy custom smart contracts that form the secure backbone of your Web3 application. Our development process is built on audited code patterns and gas optimization from day one.

  • Protocol Development: Custom ERC-20, ERC-721, ERC-1155, and bespoke token standards.
  • DeFi & DAOs: Automated market makers (AMMs), staking pools, governance modules, and multi-sig wallets.
  • Security First: Development with OpenZeppelin libraries, followed by third-party audits from firms like CertiK or Quantstamp.
  • Full Lifecycle: From initial design and testing on Hardhat/Foundry to deployment and verification on mainnet.

Deliver a secure, audited, and gas-efficient contract suite in 2-4 weeks, ready for production launch.

key-features-cards
PRODUCTION-READY

Our ZK Circuit Engineering Capabilities

We architect and implement zero-knowledge circuits that deliver verifiable computation with enterprise-grade performance and security. Our focus is on practical applications that reduce costs and unlock new product capabilities.

01

Custom Circuit Design & Implementation

From concept to compiled R1CS, we build custom zk-SNARK and zk-STARK circuits for privacy, scalability, and compliance. We specialize in complex business logic for DeFi, identity, and gaming.

Circom
Primary Framework
Halo2
Advanced Projects
02

Gas & Performance Optimization

We engineer circuits for minimal on-chain verification costs and prover efficiency. Our optimizations target constraint count reduction and strategic use of lookup tables and custom gates.

40-70%
Avg. Gas Reduction
Plonkish
Optimization Focus
03

Security Audits & Formal Verification

Every circuit undergoes rigorous review using manual audit techniques and symbolic execution tools. We provide a verifiable security report to ensure soundness and correctness.

Picus
Audit Tooling
Zero-Knowledge
Audit Focus
04

Recursive Proof & Rollup Integration

Build scalable L2s and privacy layers. We implement recursive proof aggregation and seamless integration with rollup frameworks like Scroll, zkSync, and Polygon zkEVM.

zkEVM
Compatible
Recursive
Proof Systems
05

Trusted Setup Ceremony Coordination

We manage secure Powers of Tau and circuit-specific trusted setup ceremonies using best practices for contributor anonymity and toxic waste disposal.

Perpetual Powers of Tau
Ceremony
Secure Multi-Party
Protocol
06

End-to-End Prover/Verifier Systems

We deliver complete systems, including high-performance provers (WASM/Rust) and lightweight on-chain verifiers, ensuring your application is production-ready.

Rust/WASM
Prover Target
< 300k Gas
Verifier Target
benefits
DELIVERING TANGIBLE VALUE

Business Outcomes of Bespoke Circuit Design

Our custom zero-knowledge circuit development translates directly into measurable business advantages, from cost reduction to market leadership. We architect circuits that solve your specific problem, not generic ones.

01

Substantial Cost Reduction

Bespoke circuits are optimized for your specific use case, dramatically reducing on-chain gas fees and operational overhead. We target a 50-80% reduction in transaction costs compared to generic or poorly-optimized implementations.

50-80%
Gas Cost Reduction
< 2 weeks
ROI Timeline
02

Unmatched Scalability

We design circuits with computational efficiency as a first principle, enabling your application to handle thousands of private transactions per second (TPS). This future-proofs your infrastructure against user growth and network congestion.

1000+
Private TPS
< 100ms
Proof Generation
03

Proven Security & Compliance

Every circuit undergoes a rigorous security review following industry standards. We provide formal verification reports and work with leading auditors like Trail of Bits to ensure your logic is bulletproof and compliant with regulatory requirements for data privacy.

100%
Formal Verification
Tier-1 Audits
Security Standard
04

Faster Time-to-Market

Leverage our battle-tested development frameworks and reusable libraries for common primitives (e.g., Merkle trees, signature schemes). We deliver production-ready circuits in 4-8 weeks, accelerating your product launch and competitive edge.

4-8 weeks
To Production
10+
Pre-built Primitives
05

Unique Product Differentiation

Move beyond standard privacy features. We engineer novel cryptographic constructs—like custom proof systems or privacy-preserving oracles—that become your application's defensible moat and primary selling proposition.

Patent-Pending
IP Potential
First-to-Market
Competitive Edge
06

Future-Proof Architecture

Our designs are modular and upgradeable, allowing you to seamlessly integrate new proof systems (e.g., moving from Groth16 to PLONK) or scale to new chains. Avoid vendor lock-in and technical debt with forward-compatible circuit logic.

Multi-Prover
Architecture
Zero Downtime
Upgrades
Choose the right engagement for your ZK project

Structured Development Tiers

Compare our service levels for custom zero-knowledge circuit development, from initial proof-of-concept to production-grade systems.

Feature / DeliverableProof-of-ConceptProduction-ReadyEnterprise Suite

Custom ZK Circuit Design & Implementation

Plonk / Halo2 / Circom Framework Selection

1 Framework

Multi-Framework Analysis

Architecture Advisory

Performance Optimization (Constraints, Proving Time)

Basic

Advanced (e.g., custom gates)

Full-system optimization

Security Audit (Internal Review)

Code Review

Formal Verification & Audit Report

Third-party audit coordination

Integration Support (Smart Contracts, APIs)

Limited

Full SDK & Contract Integration

End-to-end system integration

Prover/Verifier Key Management

Local generation

Secure MPC ceremony support

Custom key management system

Ongoing Maintenance & Upgrades

None

6-month support window

12-month SLA with 99.9% uptime

Team Training & Knowledge Transfer

Documentation only

2 workshop sessions

Dedicated technical liaison

Typical Timeline

4-6 weeks

8-12 weeks

12+ weeks (custom)

Estimated Investment

$30K - $60K

$80K - $200K

Custom Quote

how-we-deliver
FROM CONCEPT TO PRODUCTION

Our End-to-End Delivery Process

We deliver production-ready ZK circuits with rigorous security and performance guarantees. Our structured process ensures predictable timelines, transparent communication, and auditable results.

01

Architecture & Specification

We collaborate to define the precise computational statement for your zero-knowledge proof. This includes selecting the optimal proving system (e.g., Plonk, Groth16), circuit architecture, and performance requirements.

1-2 weeks
Spec Finalization
3+ Reviews
Design Iterations
02

Circuit Development & Optimization

Our engineers implement the circuit logic in Circom or Halo2, focusing on constraint efficiency and prover performance. We apply advanced optimization techniques to minimize proof generation time and verification gas costs.

50-70%
Avg. Gas Reduction
R1CS/Plonk
Constraint Systems
03

Security Audit & Formal Verification

Every circuit undergoes a multi-layered security review. This includes automated analysis with tools like Picus and manual review by our senior cryptographers to eliminate logical flaws and side-channel vulnerabilities.

2+ Auditors
Per Project
Zero Criticals
Guarantee
04

Prover Infrastructure & Integration

We deploy and configure high-performance proving servers (CPU/GPU) and deliver a seamless integration package. This includes client SDKs, API endpoints, and comprehensive documentation for your engineering team.

< 5 sec
Proof Generation SLA
99.9%
Uptime
05

Performance Benchmarking

We provide detailed benchmark reports comparing proof times, verification gas costs, and trusted setup requirements against industry standards. This data validates the economic viability of your ZK application.

Full Report
Delivered
Real Data
On Testnet
06

Production Deployment & Support

We manage the final deployment to your mainnet environment, including any required trusted setup ceremonies. Post-launch, we offer ongoing support and maintenance plans to ensure long-term reliability.

8 weeks
Avg. Time-to-Market
24/7
Support Available
Technical & Commercial Insights

ZK Circuit Development FAQs

Get clear answers to the most common questions about our custom zero-knowledge circuit development process, timelines, and security standards.

Our standard development cycle is 6-10 weeks from specification to audit-ready circuit. This includes 2 weeks for design & specification, 3-5 weeks for circuit implementation in Circom or Halo2, and 1-3 weeks for internal testing and optimization. Complex protocols with custom cryptographic primitives may extend to 12-14 weeks. We provide a detailed project plan with weekly milestones.

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