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Free 30-min Web3 Consultation
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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

Validator Set Coordination for Cross-Rollup Consensus

We design and implement secure, audited smart contract systems for coordinating validator sets and fraud proof challenges across multiple optimistic rollups, enabling robust shared security for interoperability.
Chainscore © 2026
overview
CORE INFRASTRUCTURE

Custom Smart Contract Development

Secure, gas-optimized smart contracts built by Web3-native engineers.

We architect and deploy production-grade smart contracts that form the foundation of your protocol. Our development process is built on security-first principles, utilizing battle-tested patterns from OpenZeppelin and rigorous internal audits before deployment to EVM or Solana.

  • Token Standards: Custom ERC-20, ERC-721, and ERC-1155 implementations with advanced features like minting, burning, and governance hooks.
  • DeFi Primitives: Automated Market Makers (AMMs), staking pools, yield aggregators, and lending/borrowing logic.
  • Enterprise Logic: Multi-signature wallets, vesting schedules, and custom business logic for real-world asset (RWA) tokenization.

We deliver fully documented, upgradeable contracts with a clear roadmap for future iterations, ensuring your core logic is both robust and adaptable.

key-features-cards
PRODUCTION-READY INFRASTRUCTURE

Core Components We Deliver

We engineer and operate the critical coordination layer for your cross-rollup ecosystem. Each component is built for high availability, security, and seamless integration.

01

Multi-Rollup Validator Client

A hardened, protocol-agnostic client that actively participates in consensus across Arbitrum, Optimism, zkSync, and other L2s. Implements slashing protection and automated failover.

99.9%
Uptime SLA
< 100ms
Attestation Latency
02

Secure Key Management System

HSM-backed, multi-party computation (MPC) for validator key custody. Eliminates single points of failure and ensures non-custodial security for your staked assets.

SOC 2 Type II
Compliance
Zero
Key Compromises
03

Real-Time Monitoring & Alerting

Comprehensive dashboards tracking validator health, performance metrics, and cross-chain message finality. Get instant alerts for missed attestations or slashing risks.

24/7
SRE Coverage
< 60s
Alert Response
04

Governance & Upgrade Coordination

Automated tooling for managing validator set changes, protocol upgrades, and emergency exits across all supported rollups without service disruption.

Zero-downtime
Upgrades
< 2 hours
Set Reconfiguration
05

Cross-Chain Message Relayer

High-availability service that guarantees delivery of consensus proofs and state updates between your coordinated L2s and the Ethereum L1 settlement layer.

100%
Delivery Guarantee
5 min
Max Finality Time
06

Compliance & Reporting Suite

Automated generation of staking rewards reports, slashing event logs, and regulatory-ready audit trails for all validator activities across your rollup set.

Real-time
Reporting
FATF Travel Rule
Ready
benefits
ENTERPRISE-GRADE VALIDATION

Business Outcomes of Shared Security

Our Validator Set Coordination service delivers measurable infrastructure advantages, turning cross-rollup consensus from a technical challenge into a strategic asset for your protocol.

01

Accelerated Time-to-Market

Deploy a production-ready, battle-tested validator set in under 2 weeks, not months. We handle the complex coordination, slashing logic, and multi-chain deployment so you can focus on your core product.

< 2 weeks
Deployment Time
50+
Pre-configured Chains
02

Capital Efficiency & Reduced Overhead

Eliminate the multi-million dollar capital lockup and operational burden of running your own validators. Our shared security model provides enterprise-grade validation without the upfront stake or ongoing DevOps costs.

$0
Upfront Stake
> 60%
OpEx Reduction
03

Enhanced Protocol Security & Resilience

Leverage a globally distributed, fault-tolerant validator network with a 99.9% uptime SLA. Our coordination layer enforces strict slashing conditions and provides real-time monitoring to protect against liveness and safety failures.

99.9%
Uptime SLA
5/9
Byzantine Fault Tolerance
04

Seamless Cross-Chain Interoperability

Achieve secure, trust-minimized consensus across Ethereum L2s (Optimism, Arbitrum, zkSync) and app-chains (Polygon CDK, OP Stack). Our service ensures consistent finality and message ordering for unified dApp logic.

< 4 sec
Cross-Rollup Finality
0
Bridge Vulnerabilities
Structured Implementation Roadmap

Phased Development & Deliverables

A transparent breakdown of our phased approach to delivering a production-ready Validator Set Coordination system, from initial design to ongoing management.

Phase & DeliverablesFoundationProductionEnterprise Scale

Architecture & Smart Contract Design

Core Coordination Contract Suite

Multi-Rollup (EVM, SVM, Move) Adapters

2 chains

Up to 5 chains

Unlimited

Security Audit & Formal Verification

Basic Review

Full Audit (1 firm)

Full Audit + Peer Review (2+ firms)

Testnet Deployment & Staging

Mainnet Deployment Support

Validator Onboarding & Key Management

Manual Guide

Automated Tooling

White-Glove Service

Monitoring & Alerting Dashboard

Basic Metrics

Advanced Analytics & Alerts

Custom SLA Dashboard

Incident Response SLA

Best Effort

< 12 hours

< 1 hour

Ongoing Protocol Upgrades

Ad-hoc

Scheduled (Quarterly)

Priority Pipeline

Estimated Timeline

4-6 weeks

8-12 weeks

12+ weeks

Typical Engagement

$25K - $50K

$75K - $150K

Custom Quote

how-we-deliver
PROVEN FRAMEWORK

Our Development & Security Methodology

Our battle-tested process for delivering secure, high-performance validator coordination systems. We focus on architectural rigor and operational excellence to ensure your cross-rollup consensus is reliable from day one.

01

Architecture & Protocol Design

We design fault-tolerant validator set architectures using established patterns like BFT consensus (e.g., Tendermint, HotStuff) and secure multi-party computation (sMPC) for key management. This ensures liveness and safety across heterogeneous rollup environments.

> 5
Protocols Supported
< 2 weeks
Design Phase
02

Smart Contract Development & Auditing

Development of on-chain coordination contracts (e.g., slashing, rewards distribution) in Solidity/Vyper, following OpenZeppelin standards. All contracts undergo internal review and are prepared for formal verification by leading security firms.

100%
OpenZeppelin Base
2+ Audits
Standard Package
03

Validator Node Implementation

We build and containerize high-availability validator client software with automated failover, real-time health monitoring, and seamless integration with rollup sequencers and data availability layers.

99.9%
Target Uptime SLA
< 1 sec
Failover Time
04

Security-First Deployment

Managed deployment on your infrastructure (AWS, GCP, bare metal) using Infrastructure-as-Code (Terraform). Includes comprehensive setup of monitoring (Prometheus/Grafana), alerting, and secure key injection via HSMs or cloud KMS.

Zero-Trust
Network Model
SOC 2 Type II
Compliance Ready
05

Continuous Monitoring & Incident Response

Proactive 24/7 monitoring of consensus participation, slashing conditions, and cross-chain message delivery. We provide defined playbooks for incident response and regular health reports to ensure ongoing system integrity.

24/7
Monitoring
< 5 min
Alert Response SLA
06

Documentation & Knowledge Transfer

We deliver complete technical documentation, operational runbooks, and conduct training sessions for your team. Ensures you have full ownership and understanding of the validator coordination system post-handover.

Full Source
Code Ownership
3 Sessions
Standard Training
Technical & Commercial Considerations

Validator Set Coordination: Key Questions

Addressing the most common questions from CTOs and technical founders evaluating cross-rollup consensus infrastructure.

We deliver a production-ready, coordinated validator set in 3-5 weeks from kickoff. This includes protocol integration, custom slashing logic development, key ceremony orchestration, and a full security audit review. For standard EVM rollups, deployment often lands on the shorter end of this range.

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