We architect and deploy custom smart contracts for tokens, DeFi protocols, NFTs, and DAOs. Our team specializes in Solidity, Rust (Solana), and Move (Aptos/Sui), delivering audit-ready code from day one.
LABS
Services
Cross-Chain Access Control Synchronization
Deploy and manage secure multi-chain applications with a single source of truth for user permissions. We architect and implement systems that keep access control lists, role-based permissions, and admin rights consistent across all your smart contracts, regardless of the underlying blockchain.
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 (AMMs), lending/borrowing pools, and yield strategies.
- Security First: Development follows OpenZeppelin standards and includes comprehensive unit/integration testing.
We deliver a fully tested, documented, and deployable contract suite in 2-4 weeks, accelerating your time-to-market while mitigating critical security risks.
key-features-cards
ENTERPRISE-GRADE ACCESS CONTROL
Core Capabilities of Our Synchronization System
Our system provides the technical foundation for secure, real-time, and reliable cross-chain identity and permission management, enabling you to build and scale compliant applications across any blockchain.
01
Real-Time Permission Synchronization
Automatically propagate access control changes (grants, revokes, role updates) across all connected chains in < 2 seconds. Eliminates stale permissions and security gaps in multi-chain deployments.
< 2 sec
Sync Latency
99.9%
Event Delivery SLA
02
Protocol-Agnostic Abstraction Layer
Unified API for managing permissions across EVM, Solana, Cosmos, and other L1/L2s. Developers write once, deploy everywhere without learning each chain's native access control quirks.
15+
Supported Chains
1 API
Unified Interface
03
State Consistency & Conflict Resolution
Guaranteed eventual consistency with automated conflict resolution for concurrent updates. Built-in idempotency ensures no double-spends or duplicate permissions, even during network partitions.
100%
Idempotent Operations
Guaranteed
Eventual Consistency
04
Gas-Optimized Relay & Proof System
Minimize cross-chain transaction costs with our optimized proof aggregation and relay infrastructure. Reduce gas fees for permission updates by up to 70% compared to generic message bridges.
Up to 70%
Gas Savings
Optimized
Proof Aggregation
05
Comprehensive Audit Trail & Monitoring
Immutable, queryable logs of every permission change across all synchronized chains. Essential for security forensics, regulatory compliance (MiCA, Travel Rule), and operational debugging.
Immutable
Audit Logs
Real-time
Health Dashboards
06
Zero-Trust Security Model
Every synchronization event is cryptographically verified. Our system assumes all networks are hostile, implementing signature verification and fraud proofs at every layer, audited by leading security firms.
Audited
By Trail of Bits
Zero-Trust
Architecture
benefits
DELIVERABLES
Business Outcomes: Secure Scaling Without Compromise
Our cross-chain access control synchronization service delivers measurable security and operational advantages, enabling you to scale your multi-chain application with confidence.
01
Unified Security Posture
A single, auditable policy engine governs user permissions across all connected chains (Ethereum, Polygon, Arbitrum, etc.), eliminating fragmented security models and reducing attack surface.
Single Source
Policy Engine
Real-time
Revocation
02
Developer Velocity
Integrate with a standardized API to manage roles and permissions. Deploy access logic once and have it sync automatically, cutting cross-chain integration time from months to weeks.
< 4 weeks
Integration Time
1 API
Management Layer
03
Operational Resilience
Built-in failover and state reconciliation ensure permission consistency even during chain outages or reorgs, maintaining application uptime and user trust.
99.9%
Sync Uptime SLA
< 2 sec
State Recovery
04
Audit & Compliance Readiness
Every permission change is immutably logged on a primary chain, creating a verifiable audit trail for security reviews and regulatory compliance requirements.
Immutable
Audit Trail
On-chain
Proof of Governance
05
Cost-Efficient Scaling
Move authorization logic off the critical path of high-frequency transactions. Batch sync updates to minimize gas costs when managing permissions at scale.
Up to 60%
Gas Reduction
Batch Updates
Cost Model
06
Future-Proof Architecture
Modular design supports new L1s and L2s via adapter patterns. Your access control layer scales with your ecosystem, avoiding costly re-architecting.
Adapter-based
Design
< 1 week
New Chain Support
Strategic Infrastructure Decision
Build vs. Buy: Managing Cross-Chain Access Control
A detailed comparison of the costs, risks, and time investment required to develop a cross-chain access control system in-house versus partnering with Chainscore Labs.
| Critical Factor | Build In-House | Partner with Chainscore |
|---|---|---|
Time to Production | 6-12+ months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $50K - $150K |
Security & Audit Overhead | High (unaudited, custom code) | Low (pre-audited modules, battle-tested) |
Ongoing Maintenance Burden | Full-time team (2-3 engineers) | Optional SLA with 24/7 monitoring |
Multi-Chain Protocol Support | Manual integration per chain | Pre-built for 15+ EVM & non-EVM chains |
Upgrade & Fork Management | Your responsibility | Handled by our protocol experts |
Guaranteed Uptime SLA | None (your infrastructure) | 99.9% with defined penalties |
Total Cost of Ownership (Year 1) | $400K - $800K+ | $80K - $200K |
how-we-deliver
PROVEN PROCESS
Our Delivery Methodology: From Audit to Automation
A structured, security-first approach to deploying and managing cross-chain access control. We deliver production-ready systems with clear SLAs, not just proof-of-concepts.
01
Security & Architecture Audit
We begin with a comprehensive review of your existing smart contracts and off-chain logic. Our team identifies vulnerabilities in cross-chain message validation and privilege escalation risks before a single line of new code is written.
100%
Contracts Reviewed
< 72 hrs
Initial Report
02
Modular Smart Contract Development
Implementation of upgradeable, gas-optimized access control modules (e.g., Role-Based, Token-Gated) using OpenZeppelin standards. Contracts are built for interoperability across EVM and non-EVM chains from day one.
Solidity 0.8+
Code Standard
Modular Design
Architecture
03
Relayer & Oracle Integration
Secure deployment of off-chain components. We configure and harden relayers for cross-chain message passing and integrate with decentralized oracles (e.g., Chainlink CCIP) for real-time, trust-minimized state synchronization.
99.9%
Relayer Uptime SLA
Multi-Source
Oracle Feeds
04
Staging & Penetration Testing
Rigorous testing in a production-like environment against our internal threat matrix. Includes simulated bridge attacks, front-running scenarios, and governance takeover attempts to ensure system resilience.
50+
Attack Vectors Tested
Third-Party Ready
Audit Package
05
Mainnet Deployment & Monitoring
Managed deployment with multi-sig ceremonies across all target chains. We establish 24/7 monitoring dashboards for cross-chain transaction success rates, gas spikes, and anomalous access patterns from day one.
< 2 weeks
Avg. Deployment Time
Real-Time Alerts
Monitoring
06
Automated Governance & Updates
Delivery of a governance dashboard for permission management across chains and automated update mechanisms for access rules. Enables your team to manage the system without deep protocol expertise.
UI/API
Management Interface
Gasless Updates
Proposal System
security
SECURE FOUNDATION
Custom Smart Contract Development
Build secure, audited smart contracts tailored to your specific business logic and tokenomics.
We architect and deploy production-grade smart contracts that form the core of your Web3 application. Our development process is built on security-first principles and proven patterns, ensuring your protocol's integrity from day one.
From fungible tokens to complex DeFi logic, we deliver contracts that are secure, gas-optimized, and upgradeable.
- Comprehensive Development: Full lifecycle support from design and
Solidity/Rustcoding to deployment onEVM/Solana/Cosmoschains. - Security & Audits: Rigorous internal review followed by formal audits with leading firms like CertiK or Quantstamp.
- Custom Tokenomics: Design and implement
ERC-20,ERC-721,ERC-1155, or custom standards for your specific use case. - Deliverable: A fully documented, audited, and deployable smart contract suite in 4-6 weeks.
Cross-Chain Access Control
Frequently Asked Questions
Get clear answers on how we synchronize permissions across blockchains to secure your multi-chain applications.
Our system uses a combination of decentralized oracles and light-client verification to create a unified permission layer. We deploy a master contract on your primary chain (e.g., Ethereum) that holds the canonical access rules. This state is then securely relayed and verified on connected chains (e.g., Polygon, Arbitrum, Base) using a permissionless messaging protocol. This ensures a user's role or token-gated access is consistent and enforceable across your entire ecosystem without relying on a single trusted bridge.
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