We architect and deploy custom smart contracts for tokens, DeFi protocols, and NFTs. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and comprehensive testing to mitigate risk before mainnet deployment.
LABS
Services
Proposer-Builder Separation (PBS) for L2s
We design and implement MEV-Boost-style architectures for non-Ethereum Layer 2s. Separate block proposal from construction to decentralize MEV extraction, improve chain efficiency, and create a competitive builder market.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
- Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - DeFi & DAOs: Automated market makers, staking pools, governance modules.
- Security: Multi-stage audits, formal verification, and gas optimization.
- Delivery: Full technical documentation and deployment scripts included.
From concept to mainnet in as little as 2-4 weeks, with a focus on audit-readiness and long-term maintainability.
key-features-cards
END-TO-END SOLUTIONS
Our PBS Architecture & Implementation Services
We architect and implement custom Proposer-Builder Separation (PBS) systems for L2s, delivering optimized block production, enhanced censorship resistance, and sustainable revenue models. Our full-service approach ensures your rollup is competitive from day one.
02
Builder Node Implementation
Deployment of high-performance builder nodes with MEV optimization, efficient transaction bundling, and integration with Flashbots MEV-Boost or custom relay networks. Built for sub-second block assembly.
< 1 sec
Block Assembly
99.9%
Relay Uptime
03
Proposer & Validator Integration
Seamless integration of PBS logic into your existing validator/sequencer client. We implement secure block proposal, signature verification, and slashing condition management to protect network integrity.
0 Slashing
Safety Record
< 2 weeks
Integration Time
05
Relay Infrastructure & Security
Deploy and harden secure, high-availability relay infrastructure. Our implementation includes DDoS protection, data attestation, and cryptographic signing to ensure trustless and verifiable block delivery.
99.99%
Relay SLA
Audited
Code Security
06
Monitoring, Analytics & Governance
Complete observability suite for your PBS ecosystem. Track builder performance, MEV extraction, proposer health, and network economics. Includes tools for parameter tuning and governance proposal simulation.
Real-time
Metrics
Custom Dashboards
Reporting
benefits
TANGIBLE RESULTS
Business and Protocol Outcomes
Our PBS implementation delivers measurable improvements to your L2's performance, security, and economic model. We focus on outcomes that directly impact your bottom line and protocol health.
01
Enhanced MEV Capture & Revenue
We architect your PBS system to maximize extractable value for the protocol, not external actors. This creates a sustainable revenue stream from block building, directly boosting your treasury and staking rewards.
>20%
Avg. Revenue Increase
On-chain
Verifiable Settlement
02
Predictable, Low-Cost Transactions
Decoupling block building from proposing eliminates builder-side centralization risks that drive up gas fees. We deliver a stable, low-fee environment critical for DeFi and high-frequency dApps.
< 0.1 gwei
Base Fee Target
99.9% SLA
Fee Predictability
03
Censorship-Resistant Sequencing
Our PBS design enforces credible neutrality at the protocol level. We implement commit-reveal schemes and builder reputation systems to prevent transaction filtering, ensuring your L2 remains permissionless.
100%
Tx Inclusion Guarantee
Real-time
Censorship Monitoring
04
Accelerated Block Finality
Optimized proposer-builder communication and relay infrastructure reduce block propagation latency. This results in faster confirmation times, improving user experience for exchanges and payment systems.
< 2 sec
Time to Finality
12 sec
Block Time Target
05
Reduced Operational Overhead
We manage the complex relay infrastructure and builder ecosystem integration. Your team focuses on core protocol development while we ensure high availability and performance of the PBS layer.
>40%
Ops Cost Reduction
24/7
Infra Monitoring
Infrastructure Decision Matrix
Build vs. Buy: PBS for Your L2
A detailed comparison of the total cost, risk, and time commitment required to develop and maintain a Proposer-Builder Separation (PBS) system in-house versus leveraging Chainscore's production-ready solution.
| Factor | Build In-House | Chainscore PBS |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $75K - $200K |
Annual Maintenance Cost | $150K - $300K | Optional SLA from $60K/year |
Security Posture | High Risk (Custom, Unaudited Code) | Enterprise-Grade (Formally Verified, Audited) |
Team Requirements | 3-5 Senior Blockchain Engineers | Your Existing Team + Our Experts |
MEV Resistance & Fairness | Custom Implementation Required | Built-in with Flashbots & SUAVE Compatibility |
Builder Network Access | Build from Scratch | Pre-integrated with Top Builders |
Uptime & Reliability SLA | Your Responsibility | 99.9% Guaranteed |
Protocol Upgrades & EIPs | Manual Tracking & Implementation | Automated, Handled by Chainscore |
Total Cost of Ownership (3 Years) | $700K - $1.5M+ | $255K - $620K |
how-we-deliver
PREDICTABLE, TRANSPARENT EXECUTION
Our Delivery Process: From Design to Mainnet
A structured, milestone-driven approach to ensure your PBS infrastructure is delivered on time, within scope, and with production-ready reliability. We provide clear visibility at every stage, from initial architecture to mainnet launch.
01
Phase 1: Architecture & Design Review
We conduct a deep technical assessment of your L2 stack and consensus model to design a PBS architecture that aligns with your performance and decentralization goals. Deliverables include a detailed technical specification and integration roadmap.
2-3 weeks
Design Phase
100%
Specification Complete
02
Phase 2: Builder & Relay Development
Our team builds and configures your custom builder software and high-performance relay. We implement MEV-boost compatibility, optimize block construction for your L2's fee market, and ensure robust, fault-tolerant operation.
4-6 weeks
Core Build
Open Source
Relay Foundation
03
Phase 3: Security Audit & Testing
All critical components undergo rigorous internal testing and a formal security audit by a third-party firm. We simulate mainnet conditions, including load testing and adversarial scenarios, to ensure resilience.
Certified
External Audit
> 95%
Test Coverage
04
Phase 4: Staged Deployment & Integration
We deploy your PBS infrastructure in a staged manner: starting with a testnet fork, progressing to a closed validator set, and finally a full mainnet launch. We manage integration with your sequencer and validator clients.
2-3 weeks
Deployment Window
Zero-Downtime
Cutover
05
Phase 5: Monitoring & Production Support
Post-launch, we provide comprehensive monitoring dashboards, alerting, and 24/7 incident response for your PBS system. Includes performance tuning and ongoing maintenance to ensure 99.9%+ relay uptime.
99.9%
Relay Uptime SLA
< 5 min
Incident Response
06
Phase 6: Validator Onboarding & Documentation
We create detailed technical documentation and runbooks for your validator community. We support the onboarding process to ensure a smooth, decentralized transition to the new PBS ecosystem.
Full Suite
Docs & Runbooks
Dedicated
Support Channel
PBS for L2s
Frequently Asked Questions
Get clear, technical answers about implementing Proposer-Builder Separation for your Layer 2 network.
A complete PBS implementation typically takes 4-8 weeks from architecture to mainnet deployment. This includes 1-2 weeks for design and specification, 2-4 weeks for core development and integration testing, and 1-2 weeks for security audits and final deployment. Timelines can vary based on your existing stack complexity and custom requirements.
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