We architect and deploy custom smart contracts that form the foundation of your protocol. Our development process is built for security and speed, delivering audit-ready code in 2-4 weeks for most MVPs.
LABS
Services
Multi-Chain Smart Contract Sandbox Environment
A unified local development workspace that simulates multiple interconnected blockchains (EVM, Cosmos, Solana) for testing cross-chain smart contract interactions and state.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 specialists.
- Full-Stack Expertise:
Solidity/Rust(Solana) /Move(Aptos,Sui) withOpenZeppelinstandards. - Security-First: Every line undergoes internal review against common vulnerabilities before formal audit.
- Gas Optimization: We minimize transaction costs, a critical factor for user adoption and protocol economics.
From fungible
ERC-20tokens to complex DeFi logic and dynamicERC-721NFTs, we build the immutable business logic that powers your product.
key-features-cards
DEVELOPER-FIRST INFRASTRUCTURE
Core Capabilities of Our Sandbox Environment
A production-grade, multi-chain sandbox designed to accelerate your development lifecycle. Test, deploy, and iterate with the security and tooling of mainnet, without the cost or risk.
01
Multi-Chain Protocol Emulation
Deploy and test on high-fidelity emulations of Ethereum, Polygon, Arbitrum, and Solana. Our environment replicates core protocol logic, gas mechanics, and consensus behavior for accurate pre-production validation.
15+
Supported Chains
< 100ms
Block Time
02
Deterministic Forking & State Control
Fork any mainnet or testnet at a specific block. Simulate complex multi-step transactions, manipulate account balances, and set precise contract states for comprehensive scenario testing.
Any Block
Fork Point
Instant
State Rollback
04
Real-Time Debugging & Tracing
Step-through transaction execution with full stack traces, storage diffs, and event logs. Pinpoint gas bottlenecks and logic errors instantly with tools familiar to Web2 developers.
Line-by-line
Execution Trace
Real-time
Gas Profiling
05
Team Collaboration & Access Control
Role-based permissions for developers, auditors, and QA teams. Share environment snapshots, coordinate on complex test suites, and maintain audit trails for all sandbox activity.
5 Roles
Granular Access
Unlimited
Team Members
benefits
TANGIBLE RESULTS
Business Outcomes for Your Development Team
Our Multi-Chain Sandbox Environment is engineered to deliver measurable improvements in your development lifecycle, directly impacting your time-to-market, security posture, and operational costs.
01
Accelerated Development Cycles
Spin up isolated, production-like environments for Ethereum, Polygon, Arbitrum, and Base in under 5 minutes. Eliminate mainnet forking delays and inconsistent local setups.
Deliverable: Reduce environment setup and testing time by 80%.
< 5 min
Environment Spin-up
80%
Faster Testing
02
Eliminate Costly Mainnet Errors
Test complex multi-chain interactions, bridge logic, and gas-intensive operations in a risk-free sandbox with real chain state. Catch critical bugs before they reach production.
Deliverable: Prevent catastrophic deployment failures and associated financial losses.
100%
Safe Deployment
$0
Mainnet Risk
04
Enhanced Team Productivity
Provide every developer with a consistent, shareable environment. Eliminate "works on my machine" issues and enable parallel feature development across EVM chains.
Deliverable: Increase developer output and reduce cross-team coordination overhead.
Unified
Dev Experience
Parallel
Feature Work
05
Future-Proof Architecture Validation
Stress-test your application's architecture against upcoming hard forks, EIPs, and new L2 rollups. Validate upgrade paths and migration strategies before network changes go live.
Deliverable: Ensure protocol resilience and seamless adaptation to ecosystem evolution.
Pre-Validation
For Hard Forks
Zero-Downtime
Upgrade Paths
06
Reduced Infrastructure Overhead
Replace the cost and complexity of managing private testnets, RPC nodes, and block explorers with a single, managed platform. Access historical state and deploy contracts without infrastructure DevOps.
Deliverable: Cut infrastructure management costs and focus engineering resources on core product development.
Managed
Infrastructure
Focus on
Core Product
Infrastructure Decision Matrix
Build vs. Buy: Managing Your Own Multi-Chain Test Setup
A detailed comparison of the total cost, risk, and operational burden of building a multi-chain sandbox internally versus using Chainscore's managed environment.
| Factor | Build In-House | Chainscore Sandbox |
|---|---|---|
Time to Initial Deployment | 4-6 months | 2-4 weeks |
Engineering Resources Required | 2-3 Senior DevOps Engineers | Your Existing Dev Team |
Upfront Infrastructure Cost | $50K - $150K | $0 (OpEx Model) |
Annual Maintenance & DevOps Cost | $200K - $400K | Included in Service |
Supported Chains (EVM) | Manual Integration (2-3 chains) | 10+ Chains (Auto-Updated) |
Forking & State Management | Custom Scripts Required | One-Click Fork & Snapshot |
Security & Audit Overhead | High (Your Responsibility) | SOC 2 Compliant, Audited |
Guaranteed Uptime SLA | None (Internal Risk) | 99.9% |
Integration with CI/CD | Custom Pipeline Build | Pre-built GitHub Actions & Plugins |
Total 3-Year Cost of Ownership | $650K - $1.2M+ | $90K - $300K |
how-we-deliver
TRANSPARENT & PREDICTABLE
Our Delivery Process: From Specification to Sandbox
A structured, milestone-driven approach that ensures your multi-chain sandbox is delivered on time, on budget, and to your exact specifications. We provide clarity at every stage.
01
1. Discovery & Specification
We conduct a deep-dive technical workshop to define your exact requirements, target chains (EVM, Solana, Cosmos), and success metrics. You receive a detailed project specification document.
2-3 days
Workshop Duration
100%
Specification Clarity
02
2. Architecture & Design
Our architects design the sandbox environment, including network topology, chain configurations, and tooling integration (Hardhat, Foundry, Anchor). We present a technical blueprint for your approval.
5-7 days
Design Phase
Multi-Chain
Blueprint Coverage
03
3. Environment Provisioning
We provision the core infrastructure: isolated testnets, RPC endpoints, block explorers, and pre-funded accounts. All environments are built with Infrastructure-as-Code for reproducibility.
1-3 days
Provisioning Time
IaC
Deployment Method
04
4. Tooling & CI/CD Integration
We integrate your development workflow with the sandbox. This includes setting up automated testing frameworks, deployment pipelines, and monitoring dashboards for your team.
3-5 days
Integration Window
24/7
Monitoring Active
05
5. Security Hardening & Audit Prep
We implement security best practices: access controls, rate limiting, and audit logging. The environment is pre-configured for seamless integration with security audit tools like Slither or Securify.
OWASP
Compliance
Zero Trust
Access Model
06
6. Handover & Knowledge Transfer
We deliver the fully operational sandbox, comprehensive documentation, and conduct training sessions for your engineering team. Ongoing support and maintenance plans are established.
Full Docs
Deliverable
Guaranteed
Team Readiness
Multi-Chain Sandbox
Frequently Asked Questions
Get clear answers about our isolated, production-like testing environment for smart contracts across multiple blockchains.
Our sandbox provides a complete, isolated replica of mainnet conditions for Ethereum, Polygon, Arbitrum, Optimism, and other EVM-compatible chains. It includes forked mainnet state, private RPC endpoints, a block explorer, and a suite of testing tools (hardhat/forge scripts, transaction simulators, gas profilers). You get a dedicated environment with 99.9% uptime SLA for your team's exclusive use.
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