We architect and deploy custom smart contracts that form the backbone of your Web3 product. Our development process is built on security-first principles, utilizing battle-tested libraries like OpenZeppelin and rigorous internal audits before deployment on EVM or Solana.
LABS
Services
Subscription NFT Membership Contract Engineering
We engineer secure, gas-optimized smart contracts that issue dynamic, time-bound NFTs for subscription models. Enable tradable memberships, automated rewards, and seamless user access for your SocialFi or creator platform.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for DeFi, NFTs, and enterprise applications.
- Full Lifecycle Development: From initial design and
Solidity/Rustcoding to testing, deployment, and ongoing maintenance. - Security Audits & Best Practices: Every contract undergoes formal verification and peer review to mitigate risks like reentrancy and overflow.
- Gas Optimization: We write efficient code to minimize transaction costs, a critical factor for user adoption and protocol sustainability.
Deliver a secure, audited, and gas-optimized smart contract suite in as little as 4-6 weeks, reducing your time-to-market and technical risk.
key-features-cards
ENGINEERING EXCELLENCE
Core Contract Capabilities We Deliver
Our subscription NFT contracts are built for enterprise-grade performance, security, and scalability. We deliver production-ready code that powers recurring revenue models on-chain.
01
Flexible Billing Logic
Implement complex subscription tiers, prorated billing, and trial periods with custom ERC-1155 or ERC-721 standards. Supports fiat on-ramps and crypto-native payments.
ERC-1155/721
Standards
< 0.01 ETH
Avg. Mint Cost
02
Automated Access Control
Smart contract-enforced membership gating with real-time validation. Integrate with existing auth systems and manage role-based permissions for content, services, and perks.
99.9%
Uptime SLA
< 2 sec
Access Check
03
Gas-Optimized Architecture
Reduce user transaction fees by up to 40% with our optimized contract patterns. We implement batch operations, storage packing, and efficient state management.
40%
Gas Savings
Solidity 0.8+
Language
04
Upgradeable & Modular Design
Future-proof your contracts with transparent proxy patterns (UUPS). Add new features, fix bugs, and adapt to market changes without migrating user assets.
UUPS
Proxy Standard
Zero Downtime
Upgrades
05
Multi-Chain Deployment
Deploy your subscription model across Ethereum, Polygon, Arbitrum, and other EVM-compatible chains. We handle cross-chain messaging and consistent state management.
EVM+
Compatibility
5+ Chains
Supported
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our engineering delivers more than code. We build secure, scalable membership systems that drive measurable business results for your Web3 product.
01
Accelerated Time-to-Market
Deploy a production-ready, audited subscription NFT contract in under 3 weeks, not months. Our battle-tested templates and rapid development cycle get you to launch faster.
< 3 weeks
To Production
80%+
Code Reuse
02
Enterprise-Grade Security
Every contract undergoes rigorous security analysis using industry-standard tools (Slither, MythX) and is built on OpenZeppelin's audited libraries. Mitigate risk from day one.
100%
OpenZeppelin Base
0 Critical
Audit Findings
03
Optimized Operational Costs
Gas-efficient contract architecture reduces minting, renewal, and management fees for you and your members. We target >40% gas savings versus unoptimized implementations.
> 40%
Gas Savings
< $0.50
Avg. Renewal Cost
04
Scalable & Flexible Architecture
Designed to handle from 1,000 to 1,000,000+ members. Modular design allows easy integration of new payment rails (ERC-20, fiat), benefits, and cross-chain functionality.
1M+
Member Scale
Modular
Design
05
Compliance-Ready Foundation
Built-in support for key compliance patterns: transfer restrictions, allowlists, and role-based access control. Simplify your path to regulatory adherence.
On-Chain
Access Control
Flexible
Restrictions
06
Full Technical Ownership
You receive 100% of the source code, comprehensive documentation, and deployment scripts. No vendor lock-in—you control your core membership infrastructure.
100%
Code Ownership
Full
Documentation
Subscription NFT Membership Contracts
Structured Development Packages
Compare our tiered service packages for end-to-end membership contract engineering, from audit to ongoing operations.
| Feature | Starter | Professional | Enterprise |
|---|---|---|---|
Smart Contract Audit & Security Review | |||
Gas-Optimized Solidity 0.8+ Development | |||
Multi-Chain Deployment (EVM) | 1 Network | Up to 3 Networks | Unlimited |
Integration Support (Wallet, Frontend, Backend) | Documentation Only | Direct Support | Dedicated Engineer |
Post-Deployment Monitoring & Alerting | 7 Days | 30 Days | 24/7 with SLA |
Incident Response Time | Best Effort | 12 Hours | 4 Hours Guaranteed |
Custom Feature Development (e.g., tiered perks, staking) | Not Included | Up to 2 Features | Fully Custom Scope |
Team Training & Knowledge Transfer | 2 Sessions | Comprehensive Program | |
Typical Delivery Timeline | 2-3 Weeks | 4-6 Weeks | 8+ Weeks |
Starting Price | $15,000 | $50,000 | Custom Quote |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Security Process
We deliver secure, scalable membership contracts through a rigorous, multi-stage process designed to mitigate risk and accelerate your time-to-market.
01
Architecture & Specification
We begin with a deep technical discovery to define your exact business logic, tokenomics, and integration points. This phase produces a detailed technical specification document, ensuring alignment before a single line of code is written.
1-2 weeks
Discovery Phase
100%
Requirement Alignment
02
Smart Contract Development
Our engineers build your custom ERC-721/1155 membership contracts using Solidity 0.8+ and OpenZeppelin libraries. We implement features like tiered access, automated renewals, and gas-optimized batch operations.
2-4 weeks
Development Time
30-50%
Gas Cost Reduction
03
Comprehensive Security Audits
Every contract undergoes a multi-layered security review, including automated analysis (Slither), manual code review by our senior auditors, and a final audit by a leading third-party firm like Spearbit or Code4rena.
100%
Audit Coverage
Critical: 0
Guaranteed Findings
04
Testing & Simulation
We deploy to testnets and execute a full suite of unit, integration, and scenario-based tests. This includes simulating edge cases, stress testing minting events, and verifying all upgrade paths for governance-controlled contracts.
>95%
Test Coverage
Full
Testnet Deployment
05
Deployment & Verification
We manage the secure mainnet deployment, including contract verification on Etherscan, initialization of roles and parameters, and the execution of a final health check. We provide full deployment documentation and handover.
< 1 day
Deployment Window
100%
Source Verified
06
Monitoring & Support
Post-launch, we offer monitoring dashboards for key contract metrics (mints, renewals, revenue) and provide ongoing support for upgrades or feature additions, ensuring your membership system operates flawlessly.
24/7
Alert Monitoring
4-hr
Critical Response SLA
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect, develop, and deploy custom Solidity/Rust smart contracts that form the backbone of your Web3 product. Our focus is on security-first development, gas optimization, and maintainable code.
- From Concept to Mainnet: Full lifecycle development from technical design to deployment and verification.
- Security Audits: Contracts are built with
OpenZeppelinstandards and undergo rigorous internal review before external audit. - Protocol Integration: Seamless integration with
Uniswap V3,AAVE,Chainlink, and other core DeFi primitives. - Deliverables: Production-ready source code, comprehensive documentation, and deployment scripts.
We deliver contracts that are secure by design, enabling you to launch with confidence and scale without technical debt.
Subscription NFT Contracts
Frequently Asked Questions
Common questions from CTOs and product leads about our engineering process, security, and deliverables.
We deliver production-ready, audited contracts in 2-4 weeks for standard implementations. This includes design, development, unit testing, and a preliminary security review. Complex features like dynamic pricing, multi-chain support, or custom governance can extend the timeline, which we scope and quote for upfront.
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