We architect and deploy custom smart contracts for tokens, DeFi protocols, and NFT ecosystems. Our team specializes in Solidity 0.8+, Vyper, and Rust, using OpenZeppelin libraries and formal verification for security.
LABS
Services
Zero-Knowledge Proof Bridge Development
We build cryptographically secure cross-chain bridges using zk-SNARKs and zk-STARKs. Eliminate reliance on external validators, reduce counterparty risk, and enable seamless asset transfers for your wallet or DeFi product.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Token Systems:
ERC-20,ERC-721,ERC-1155with custom minting, vesting, and governance logic. - DeFi Protocols: Automated market makers, lending/borrowing pools, and yield optimizers.
- Enterprise Logic: Multi-signature wallets, access control, and cross-chain asset bridges.
Every contract undergoes rigorous audits and test coverage exceeding 95% before mainnet deployment, ensuring reliability from day one.
key-features-cards
ZK-BRIDGE DEVELOPMENT
Core Technical Capabilities
Our engineering team delivers production-ready ZK bridges with enterprise-grade security, performance, and interoperability. We focus on verifiable outcomes that accelerate your time-to-market.
01
Custom Circuit Design & Implementation
We design and implement custom zk-SNARK and zk-STARK circuits tailored to your specific bridge logic, ensuring optimal proving times and minimal on-chain verification costs. Our team has experience with Circom, Halo2, and Plonky2 frameworks.
Circom, Halo2, Plonky2
Supported Frameworks
> 50%
Avg. Gas Reduction
02
Cross-Chain State & Asset Bridging
Secure, non-custodial bridging of tokens (ERC-20, ERC-721) and arbitrary message passing between EVM and non-EVM chains. We implement battle-tested architectures like optimistic verification with ZK fraud proofs.
EVM & Non-EVM
Chain Support
Non-Custodial
Security Model
03
Prover & Verifier System Architecture
End-to-end design of high-throughput proving systems, including distributed prover networks and on-chain verifier smart contracts optimized for cost and finality speed on L1s and L2s.
Sub-Second
Proof Generation*
Solidity, Cairo, Rust
Verifier Languages
05
Relayer & Monitoring Infrastructure
We deploy and manage robust, fault-tolerant relayers with 24/7 monitoring, alerting, and automatic failover. Includes dashboards for real-time bridge health, volume, and security events.
99.9%
Relayer Uptime SLA
< 5 min
Mean Time to Detection
06
Gas Optimization & Cost Engineering
Deep expertise in minimizing the lifecycle cost of your ZK bridge. We optimize circuit constraints, verifier contract gas, and relayer operations to ensure sustainable economics.
Up to 70%
On-Chain Cost Savings
Gas Benchmarking
Standard Deliverable
benefits
DELIVERABLES
Business Outcomes for Your Product
Our Zero-Knowledge Proof Bridge Development service delivers production-ready infrastructure, not just theoretical concepts. We focus on measurable results that accelerate your time-to-market and ensure operational excellence.
01
Production-Ready Bridge Architecture
We deliver a fully integrated ZK bridge with modular components for proof generation, state verification, and relayer services. Built with battle-tested frameworks like zkSync's ZK Stack or Polygon zkEVM for proven security and scalability.
4-8 weeks
To MVP
99.9%
Reliability Target
02
Gas-Optimized & Cost-Effective
Our development prioritizes efficient proof circuits and smart contract logic, significantly reducing end-user transaction costs. We implement batch verification and optimal fee models to keep cross-chain transfers affordable.
40-70%
Gas Reduction
< $0.10
Target Cost/Tx
03
Enterprise-Grade Security & Audits
Every component undergoes rigorous internal review and formal verification. We facilitate audits with top firms like Trail of Bits or Quantstamp and implement a multi-sig governance model for secure, upgradeable contracts.
2+ Audits
Per Deployment
48h
Response SLA
04
Sub-Second Finality & High Throughput
Engineered for performance, our bridges achieve finality in under a second with support for thousands of transactions per second (TPS). We design for low latency to enable real-time DeFi and gaming applications.
< 1 sec
Finality
2000+ TPS
Throughput
05
Multi-Chain Connectivity
Seamlessly connect Ethereum L1/L2s (Arbitrum, Optimism), alternative L1s (Solana, Avalanche), and modular ecosystems (Celestia, EigenDA). We handle chain-specific idiosyncrasies so you don't have to.
5+ Chains
Initial Support
2 weeks
New Chain Integration
06
Comprehensive Monitoring & Analytics
Gain full visibility with our custom dashboard for real-time bridge health, volume analytics, and alerting. We provide integration with tools like Dune Analytics and set up monitoring for proof generation success rates and liquidity pools.
24/7
Monitoring
< 5 min
Alert Detection
Architectural & Operational Comparison
ZK Bridge vs. Traditional Multi-Sig Bridge
A technical breakdown of how zero-knowledge proof bridges fundamentally differ from conventional multi-signature bridges in security, cost, and decentralization.
| Architectural Factor | Traditional Multi-Sig Bridge | ZK Proof Bridge |
|---|---|---|
Trust Model | Trusted committee of signers | Trustless cryptographic proofs |
Security Surface | High (keys are attack targets) | Low (no live keys to compromise) |
Finality Speed | Slow (requires multi-sig consensus) | Fast (instant with proof verification) |
Operational Cost | High (gas for signatures, committee ops) | Low (gas for proof verification only) |
Decentralization | Limited (centralized around signers) | Maximal (anyone can verify) |
Withdrawal Delay | Hours (manual processing risk) | Minutes (automated, programmable) |
Audit Complexity | Medium (logic + key management) | High (circuit logic + proof system) |
Time to Develop | 2-4 months | 4-6 months |
Typical Development Cost | $80K - $150K | $150K - $300K+ |
Ideal Use Case | Low-value, permissioned transfers | High-value, permissionless DeFi/CeFi |
how-we-deliver
A PROVEN METHODOLOGY
Our Development & Integration Process
We deliver production-ready ZK bridges through a structured, transparent process designed for security, speed, and seamless integration with your existing stack.
01
Architecture & Protocol Design
We design your bridge's core architecture, selecting the optimal ZK proof system (e.g., Plonk, Groth16) and interoperability protocol (e.g., IBC, Axelar) for your specific use case and target chains.
2-4 weeks
Design Phase
3+ Options
Architecture Reviewed
02
Circuit Development & Optimization
Our team writes and rigorously optimizes the zero-knowledge circuits that prove state transitions. We focus on minimizing proof generation time and verification gas costs on-chain.
~50-70%
Gas Cost Reduction
Sub-Second
Proof Generation Target
03
Smart Contract & Relayer Suite
We develop the on-chain verifier contracts and the off-chain relayer infrastructure that submits proofs. Contracts are built with OpenZeppelin standards and include upgradeability patterns.
99.9% SLA
Relayer Uptime
Multi-Sig
Admin Controls
05
Testnet Deployment & Stress Testing
We deploy to a private testnet for integration testing, followed by public testnets (Sepolia, Holesky, etc.) for load and security testing under simulated mainnet conditions.
10k+ TPS
Load Tested
3+ Networks
Tested On
06
Mainnet Launch & Ongoing Support
We manage the phased mainnet rollout with monitoring dashboards and provide ongoing support, including performance tuning, emergency response, and upgrade management.
24/7
Monitoring
4-Hour
Response SLA
Structured Development Path
Zero-Knowledge Proof Bridge Development Timeline & Deliverables
A phased roadmap for delivering a production-ready, secure ZK bridge, from initial architecture to ongoing maintenance.
| Phase & Deliverable | Starter (4-6 Weeks) | Professional (8-12 Weeks) | Enterprise (12-16+ Weeks) |
|---|---|---|---|
Architecture & Circuit Design | Basic 2-way bridge circuit | Multi-chain circuit with custom logic | Custom ZKVM or complex state transition proofs |
Smart Contract Suite | Core bridge contracts (audited) | Full suite with governance & upgrades | Advanced contracts with MEV protection & slashing |
Prover & Verifier System | Basic prover setup (e.g., Circom/SnarkJS) | Optimized prover with GPU acceleration | Distributed prover network with load balancing |
Relayer & Monitoring | Basic transaction relayer | High-availability relayer with alerting | Fault-tolerant, geo-distributed relayers with dashboards |
Security & Audits | Initial audit by one firm | Audits by 2+ firms + bug bounty setup | Continuous audit engagement & formal verification |
Integration Support | Documentation & basic SDK | SDK, API, and dedicated integration support | White-glove integration, custom frontend components |
Ongoing Maintenance | Ad-hoc support | SLA with 24h response | Managed service with 99.9% uptime SLA & 4h response |
Typical Project Investment | $80K - $150K | $150K - $300K | $300K+ (Custom) |
ZK Bridge Development
Frequently Asked Questions
Get clear answers on timelines, costs, and technical details for your cross-chain bridge project.
We deliver production-ready ZK bridges in 4-8 weeks, depending on the number of supported chains and custom logic. A standard two-way bridge between Ethereum and a single L2 (e.g., Arbitrum) typically takes 4-5 weeks. This includes design, development, security audits, and testnet deployment.
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