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 OpenZeppelin libraries and comprehensive audit cycles to mitigate risk from day one.
LABS
Services
StarkNet Cairo Tax Logic Smart Contract
We develop and audit Cairo smart contracts for StarkNet that automate complex tax calculations. Our contracts use ZK-proofs for privacy-preserving verification of tax liabilities, ensuring regulatory compliance for DeFi protocols.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
- Token Standards: Custom
ERC-20,ERC-721, andERC-1155contracts with advanced features like minting, staking, and governance. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, and yield optimizers with gas-efficient logic.
- Enterprise Logic: Multi-signature wallets, vesting schedules, and compliance modules for institutional use cases.
- Full Audit Trail: Every contract undergoes manual review, static analysis, and formal verification before deployment.
We deliver battle-tested code that executes as intended, securing millions in on-chain value. Our contracts are built for mainnet readiness with clear upgrade paths.
From initial spec to final deployment, we ensure your smart contracts are secure, scalable, and maintainable, reducing your time-to-market from months to weeks.
key-features-cards
BUILT FOR STARKNET
Core Capabilities of Our Tax Logic Contracts
Our Cairo-based tax logic smart contracts deliver enterprise-grade compliance, automation, and security for DeFi and on-chain applications. We architect for auditability, scalability, and seamless integration.
01
Automated Tax Collection & Distribution
Real-time, on-chain tax logic that automatically calculates, collects, and distributes fees or taxes on every transaction. Eliminates manual processes and ensures 100% collection accuracy.
100%
Collection Accuracy
< 1 sec
Per Transaction
02
Multi-Token & Multi-Chain Ready Architecture
Flexible contract design supporting ERC-20, ERC-721, and native ETH. Built with future-proofing for multi-chain deployments, allowing you to scale your tax logic across ecosystems.
ERC-20/721/1155
Token Standards
Modular
Architecture
03
Gas-Optimized Cairo Execution
Contracts are meticulously written in Cairo 1.0, leveraging StarkNet's ZK-rollup efficiency. We achieve up to 90% lower gas costs for tax operations compared to L1 equivalents.
Up to 90%
Gas Savings
Cairo 1.0
Language
04
Security-First Development & Audits
Built using OpenZeppelin Cairo libraries and security patterns. Every contract undergoes rigorous internal review and is prepared for formal audits by leading security firms.
OpenZeppelin
Standards
Audit-Ready
Codebase
05
Configurable Rules & Exemptions
Granular control over tax rates, whitelisted addresses, and exemption logic. Update parameters via secure, multi-sig governed functions without redeploying the core contract.
Dynamic
Parameter Control
Multi-sig
Governance
06
Real-Time Analytics & Reporting Hooks
Built-in event emission for every financial action. Provides a clear, immutable audit trail and seamless integration with off-chain accounting, reporting, and dashboard systems.
Immutable
Audit Trail
Full Event Logs
Transparency
benefits
DELIVERABLES & GUARANTEES
Business Outcomes for Your Protocol
Our StarkNet Cairo tax logic development delivers more than code. We provide audited, production-ready systems that drive measurable protocol growth and security.
01
Audited Tax & Fee Architecture
We deliver a custom Cairo smart contract suite for automated fee collection, distribution, and treasury management, built with formal verification and security-first patterns.
100%
Formal Verification
2 Audits
Pre-Deployment
02
Gas-Optimized Transaction Logic
Our Cairo implementations reduce gas costs for end-users by up to 40% through optimized state management and StarkNet-specific patterns, directly improving user retention.
~40%
Gas Reduction
< 0.1¢
Avg. Fee Cost
03
Modular, Upgradeable Design
Future-proof your protocol with a modular tax logic system. We implement upgradeable contracts using Proxies, allowing you to adjust fee rates and rules without migrations.
Zero Downtime
For Upgrades
< 1 Day
Parameter Update
04
Real-Time Analytics Dashboard
Gain instant visibility with a custom dashboard tracking fee revenue, distribution flows, and contract health. Make data-driven decisions for your treasury.
Real-Time
Data Sync
10+ Metrics
Tracked
05
Production Deployment & Monitoring
We handle the full deployment lifecycle on StarkNet Mainnet, including post-launch monitoring, alerting, and 24/7 support for critical issues.
99.5% SLA
Uptime
15-min
Response Time
Choose the Right Level of Service
StarkNet Tax Contract Development Tiers
Compare our structured development packages for Cairo-based tax logic smart contracts, designed to match your project's complexity and operational needs.
| Feature / Specification | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Cairo Tax Logic Development | |||
Comprehensive Security Audit Report | |||
Gas Optimization Review | Basic | Advanced | Advanced + Custom |
Deployment to StarkNet Mainnet | |||
Integration Testing Suite | Unit Tests | Unit + Integration | Full E2E Suite |
Post-Deployment Support Window | 2 weeks | 1 month | 3 months |
Priority Support & SLA | Business Hours | 24/7 with 4h Response | |
Custom Oracle Integration | |||
Multi-Token & Multi-Pool Support | |||
Ongoing Maintenance & Upgrades | Optional Annual Retainer | ||
Typical Delivery Timeline | 3-4 weeks | 5-7 weeks | 8+ weeks |
Starting Project Price | $15,000 | $45,000 | Custom Quote |
how-we-deliver
PROVEN METHODOLOGY
Our Development & Audit Process
A rigorous, multi-phase approach designed to deliver secure, efficient, and production-ready StarkNet tax logic. We combine deep Cairo expertise with institutional-grade security practices.
01
Requirement Analysis & Architecture
We translate complex tax rules into a formal technical specification. This phase defines the contract's state model, function logic, and integration points, ensuring alignment with your financial product's requirements from day one.
1-2 weeks
Phase Duration
100%
Spec Coverage
02
Cairo 1.0 Development
Implementation of the tax logic using Cairo 1.0, focusing on gas efficiency and StarkNet's computational model. We employ established patterns for secure arithmetic, access control, and state management.
Cairo 1.0
Language
OpenZeppelin
Libraries
03
Internal Security Review
Before external audit, our senior engineers conduct a thorough line-by-line review. We test for logic flaws, reentrancy risks, and gas optimizations specific to StarkNet's VM.
2+ Engineers
Peer Review
Static Analysis
Tooling
05
Testnet Deployment & Integration
We deploy the audited contract to StarkNet testnet (Sepolia/Goerli) and assist your team with integration testing. This includes setting up a local dev environment and providing interaction examples.
Full Suite
Integration Tests
Dev Support
Included
06
Mainnet Launch & Monitoring
Final deployment to StarkNet Mainnet with verified source code. We provide initial monitoring setup for key contract events and metrics, ensuring a smooth go-live for your tax enforcement system.
Verified Source
On Voyager
Launch Support
1 Week
security
CORE INFRASTRUCTURE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications.
We architect and deploy production-grade smart contracts that form the backbone of your Web3 application. Our development process is built on security-first principles, utilizing OpenZeppelin libraries and formal verification patterns to mitigate risk from day one.
- Custom Logic: From fungible
ERC-20tokens to complexERC-4626vaults and bespoke governance systems. - Full Audit Trail: Every contract undergoes internal review and is prepared for third-party audits by firms like
CertiKorQuantstamp. - Gas Optimization: We write efficient code to minimize transaction costs, a critical factor for user adoption.
- Deployment & Verification: We handle deployment to mainnet and testnets, with full source code verification on block explorers.
We deliver battle-tested contracts that execute exactly as intended, protecting your assets and your users' trust.
StarkNet Tax Logic Development
Frequently Asked Questions
Common questions from CTOs and product leads about our specialized StarkNet Cairo tax smart contract development service.
We deliver a fully audited, production-ready tax logic module in 3-5 weeks from kickoff. This includes requirements analysis, Cairo 1.0 development, comprehensive testing (unit, integration, fuzz), and a final security audit. For complex multi-asset or multi-jurisdiction systems, timelines extend to 6-8 weeks.
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