We architect and deploy mission-critical smart contracts with 99.9% uptime SLAs and full audit readiness. Our development lifecycle includes formal verification and integration with OpenZeppelin libraries to eliminate common vulnerabilities.
LABS
Services
Confidential Cross-Chain Bridge Development
We build secure bridges that enable private asset transfers between blockchain ecosystems (EVM, Cosmos, Solana, Polkadot) using encryption and stealth addresses to obscure transaction trails.
Chainscore © 2026
overview
CORE INFRASTRUCTURE
Custom Smart Contract Development
Secure, gas-optimized smart contracts built for production from day one.
- Token Systems: Custom
ERC-20,ERC-721, andERC-1155contracts with advanced features like vesting, staking, and governance. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield aggregators with sub-second finality.
- Enterprise Logic: Multi-signature wallets, supply chain tracking, and asset tokenization for regulated environments.
Deliver a production-ready, audited contract suite in as little as 4 weeks, reducing your time-to-market and technical risk.
key-features-cards
ENGINEERING EXCELLENCE
Core Technical Capabilities
Our development process is built on verifiable security, battle-tested protocols, and measurable performance guarantees. We deliver production-ready bridges, not proof-of-concepts.
01
Zero-Knowledge Proof Integration
Implement ZK-SNARKs (e.g., Circom, Halo2) or ZK-STARKs to enable confidential asset transfers. We hide transaction amounts and recipient addresses on public ledgers while maintaining cryptographic proof of validity.
zk-SNARKs
Proof System
< 5 sec
Proof Generation
02
Secure Multi-Party Computation (MPC)
Deploy threshold signature schemes (TSS) and distributed key generation (DKG) for decentralized bridge signing authority. Eliminates single points of failure for validator keys.
ECDSA/EdDSA
TSS Schemes
N-of-M
Signer Configuration
03
Cross-Chain Messaging & State Verification
Build light clients and verifiable state proofs for chains like Ethereum, Cosmos, and Polkadot. We implement IBC, LayerZero, or Wormhole VAA standards for secure, trust-minimized message passing.
IBC / VAA
Protocol
10+ Chains
Supported
04
Formal Verification & Audits
All bridge logic and cryptographic circuits undergo formal verification using tools like Certora and K-framework, followed by third-party audits from firms like Trail of Bits or Quantstamp.
Certora
Verification Tool
Tier-1 Audits
Security Standard
05
High-Availability Relayer Infrastructure
Deploy fault-tolerant, geo-distributed relayers with automated failover, monitoring, and alerting. Our infrastructure guarantees message delivery with 99.9% uptime SLA.
99.9%
Uptime SLA
< 500ms
Relay Latency
06
Gas-Optimized Smart Contracts
Develop highly efficient bridge contracts on Solidity 0.8+ (EVM) or Rust (Solana, Cosmos). We utilize gas-saving patterns and storage optimizations to minimize user costs.
Solidity 0.8+
Language
30-50%
Gas Reduction
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our confidential cross-chain bridge development delivers measurable infrastructure advantages, from accelerated time-to-market to hardened security, directly impacting your platform's growth and resilience.
01
Accelerated Time-to-Market
Deploy a production-ready, confidential bridge in under 4 weeks using our battle-tested modular architecture. We handle MPC/TEE node orchestration, smart contract deployment, and initial liquidity bootstrapping.
< 4 weeks
To Production
24/7
DevOps Support
02
Enterprise-Grade Security Posture
Bridge architecture built with formal verification for core logic and integration with audited MPC/TEE providers like Intel SGX or Oasis Sapphire. Includes continuous threat monitoring and a dedicated incident response plan.
Zero
Critical Audit Findings
SLA-Backed
Security Monitoring
03
Reduced Operational Overhead
We provide fully managed relayers and watchtower services with 99.9% uptime SLA, eliminating the need for your team to maintain complex cross-chain infrastructure and allowing focus on core product development.
99.9%
Uptime SLA
Fully Managed
Relayer Nodes
04
Enhanced User Trust & Adoption
Implement privacy-preserving transfers that protect user transaction amounts and destinations, a key differentiator for institutional and high-net-worth users moving assets between chains like Ethereum and Solana.
Privacy-First
Transaction Design
Multi-Chain
User Base Access
05
Future-Proof Interoperability
Modular design allows seamless integration of new chains (EVM, SVM, Move-based) and privacy frameworks without core system refactoring, ensuring your bridge remains competitive as the ecosystem evolves.
< 1 week
New Chain Integration
Modular
Architecture
06
Regulatory Compliance Readiness
Build with compliance in mind: our designs support selective privacy with auditability features, enabling transaction verification for authorized parties to meet evolving financial regulations.
Audit Trail
Built-In
Compliance-Ready
Architecture
Strategic Decision Analysis
Build vs. Buy: Confidential Bridge Options
A detailed comparison of the time, cost, and risk profile for developing a confidential cross-chain bridge in-house versus partnering with Chainscore Labs.
| Key Factor | Build In-House | Buy with Chainscore |
|---|---|---|
Time to Production | 6-12+ months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $50K - $150K |
Security Posture | High Risk (Custom, unaudited code) | Enterprise-Grade (Pre-audited, battle-tested modules) |
Core Expertise Required | Zero-Knowledge Cryptography, MPC, Bridge Security | Your core application logic |
Ongoing Maintenance & Upgrades | Dedicated 3-5 person team | Optional SLA with 24/7 monitoring |
Protocol & Chain Support | Manual integration per chain (slow) | Pre-built adapters for 15+ major L1/L2s |
Time to First Audit | Post-development (3-6 month delay) | Pre-delivery (Included in scope) |
Total Cost of Ownership (Year 1) | $500K - $1.2M+ | $80K - $200K |
how-we-deliver
END-TO-END DELIVERY
Our Development & Delivery Process
We deliver production-ready confidential bridges with a predictable, phased approach that de-risks development and accelerates your time-to-market.
01
1. Architecture & Threat Modeling
We design your bridge's cryptographic architecture and threat model, selecting optimal ZK-proof systems (zk-SNARKs, zk-STARKs) and secure multi-party computation (MPC) protocols for your specific cross-chain use case.
2-3 weeks
Design Phase
100%
Audit-Ready Specs
02
2. Core Protocol Development
Our engineers build the core bridge logic, including the confidential state management layer, verifier contracts, and relayer infrastructure. We use Rust/Solidity with formal verification patterns.
4-6 weeks
Development Sprint
OpenZeppelin
Security Foundation
03
3. Security Audit & Penetration Testing
Every component undergoes rigorous internal review followed by an external audit from a top-tier firm like Trail of Bits or Quantstamp. We include a dedicated penetration testing phase for the relayer network.
2+ Audits
External Reviews
Critical
Zero Findings SLA
04
4. Testnet Deployment & Monitoring
We deploy to a multi-chain testnet environment (e.g., Sepolia, Amoy, Arbitrum Sepolia) and implement comprehensive monitoring for latency, proof generation time, and relayer health.
> 99.9%
Testnet Uptime
< 5 sec
Alert Response
05
5. Mainnet Launch & Relayer Orchestration
We manage the secure mainnet deployment, key ceremony for trusted setup (if required), and bootstrap the decentralized relayer network with failover mechanisms and slashing conditions.
< 72 hours
Launch Window
24/7
SRE Support
06
6. Ongoing Maintenance & Upgrades
We provide continuous monitoring, performance optimization, and protocol upgrade management. This includes integrating new chains and updating cryptographic libraries as the ecosystem evolves.
99.9% SLA
Production Uptime
< 2 weeks
Chain Integration
Structured Development Process
Typical 10-Week Delivery Timeline
A phased roadmap for delivering a production-ready, audited cross-chain bridge, from initial design to mainnet launch and support.
| Phase & Milestone | Week | Deliverables | Client Involvement |
|---|---|---|---|
Discovery & Architecture | 1-2 | Technical specification, system architecture diagram, chain selection analysis | Requirements workshop, sign-off on spec |
Core Protocol Development | 3-5 | Zero-knowledge proof circuits, state management contracts, relayer logic | Weekly technical sync, feedback on testnet demo |
Smart Contract Audit | 6 | Full security audit report by external firm, vulnerability remediation | Review audit findings, approve remediation plan |
Testnet Deployment & Testing | 7-8 | Deployed testnet bridge, comprehensive test suite results, bug bounty setup | User acceptance testing (UAT), provide test tokens |
Mainnet Launch & Monitoring | 9-10 | Production deployment, monitoring dashboard access, incident response runbook | Final security sign-off, coordinate token listings/launch |
Confidential Cross-Chain Bridge Development
Frequently Asked Questions
Get clear answers on timelines, security, costs, and our development process for building a secure, private cross-chain bridge.
A production-ready confidential bridge with core functionality (e.g., asset transfers with privacy) typically deploys in 6-10 weeks. This includes architecture, smart contract development, zero-knowledge circuit implementation, security audits, and mainnet deployment. More complex features like generalized message passing or multi-asset support can extend the timeline. We provide a detailed project plan within the first week of engagement.
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