We provide the mission-critical infrastructure your dApp needs to scale. Deploy and manage dedicated, high-performance nodes across Ethereum, Solana, Polygon, and other major L1/L2 networks with a single API.
LABS
Services
AppChain Customization for Jurisdiction-Specific Tax Rules
We design and deploy application-specific blockchains with tax and regulatory logic embedded at the protocol layer, ensuring automated, immutable compliance for your payment or remittance product.
Chainscore © 2026
overview
FOUNDATION
Blockchain Infrastructure
Enterprise-grade node infrastructure with 99.9% uptime SLA and multi-chain support.
Guaranteed 99.9% uptime SLA ensures your application never misses a block or transaction.
- Dedicated RPC Endpoints: Isolated, high-throughput nodes for consistent performance.
- Real-time Indexing: Custom data pipelines for wallets, NFTs, and DeFi activity.
- Enhanced APIs: Access historical data, simulate transactions, and decode logs.
- Security & Compliance: SOC 2 Type II compliant infrastructure with DDoS protection.
key-features-cards
TAX-COMPLIANT BLOCKCHAIN INFRASTRUCTURE
Core Technical Capabilities
We engineer dedicated AppChains with jurisdiction-specific tax logic embedded at the protocol level, ensuring compliance is automatic, verifiable, and non-negotiable.
01
Automated Tax Logic Engine
We build custom smart contracts and protocol modules that automatically calculate, withhold, and route transaction-based taxes (VAT, GST, sales tax) according to the legal code of your operating jurisdiction.
0 manual
Compliance Errors
< 100ms
Tax Calculation
02
Regulatory Reporting Module
Integrated on-chain event logging and off-chain reporting APIs generate audit trails and formatted reports (e.g., transaction ledgers, tax summaries) for submission to authorities like the IRS, HMRC, or EU VAT MOSS.
Real-time
Audit Trail
FATF Travel Rule
Compliance Ready
03
Jurisdictional User Segmentation
Implement geofencing and KYC/AML-verified identity layers to apply distinct tax rules and transaction limits based on user location and residency status, preventing regulatory overreach.
Multi-jurisdiction
Rule Sets
ZK-Proofs
Privacy Option
04
Settlement & Treasury Management
Automated, multi-signature treasury contracts for secure custody and scheduled disbursement of collected tax liabilities to designated government wallets or fiat off-ramps.
99.9% SLA
Uptime
Multi-sig
Security
06
Full-Stack Audit & Verification
End-to-end security audits of the tax logic and settlement modules by industry-leading firms, plus on-chain verification of all contracts for complete transparency.
CertiK
Audit Partner
Publicly Verified
Source Code
benefits
STRATEGIC ADVANTAGES
Business Outcomes: Beyond Compliance
Our AppChain customization for jurisdiction-specific tax rules delivers more than just regulatory adherence. It creates a foundation for sustainable growth, operational efficiency, and competitive differentiation in global markets.
01
Accelerated Market Entry
Deploy a fully compliant, tax-aware blockchain in 4-6 weeks, not months. Our pre-built modules for VAT, GST, and capital gains logic eliminate the need for a costly, in-house legal-tech integration cycle.
4-6 weeks
Time to Market
0
Custom Tax Logic Bugs
02
Reduced Operational Overhead
Automate tax calculation, reporting, and withholding at the protocol level. Eliminate manual reconciliation and the risk of human error, reducing compliance-related operational costs by up to 70%.
70%
Lower OpEx
100%
Automated Reporting
03
Enhanced Investor & User Trust
Provide transparent, immutable proof of tax compliance on-chain. This demonstrable adherence builds credibility with regulators, institutional investors, and users in regulated markets like the EU and Singapore.
SOC 2 Type II
Compliance Framework
24/7
Audit Trail
04
Future-Proof Architecture
Our modular design allows for seamless updates to tax logic as regulations evolve (e.g., DAC8, MiCA). Avoid costly chain forks or migrations when new jurisdictional rules are enacted.
< 48 hours
Rule Update Time
Zero-downtime
Updates
05
Competitive Moats in Regulated Sectors
Launch DeFi, GameFi, or enterprise solutions in markets competitors avoid due to compliance complexity. Capture first-mover advantage in high-value, regulated verticals like tokenized real-world assets (RWA).
30+
Jurisdictions Supported
First-to-Market
Advantage
06
Scalable Global Expansion
A single AppChain backbone can be configured with multi-jurisdictional rule sets. Expand into new countries by activating pre-vetted compliance modules, not rebuilding your core infrastructure.
1
Unified Tech Stack
N Configurations
Global Markets
Architectural Comparison for Tax Compliance
AppChain vs. Smart Contract Patchwork
A side-by-side analysis of two approaches for implementing jurisdiction-specific tax logic, highlighting long-term viability, cost, and security.
| Key Factor | Smart Contract Patchwork | Chainscore AppChain |
|---|---|---|
Architectural Integrity | ||
Time to Implement New Tax Rule | 2-4 weeks per update | < 1 week per update |
Security & Audit Surface | High (multiple contracts) | Contained (single chain) |
Gas Cost for Users | High (cross-contract calls) | Optimized (native execution) |
Regulatory Change Agility | Slow, risky upgrades | Fast, isolated upgrades |
Total Cost of Ownership (Year 1) | $150K+ (dev + audit) | $80K - $120K (managed) |
Settlement Finality | ~12 sec (L1 dependent) | < 2 sec (custom consensus) |
Data Privacy for Tax Logic | Public on-chain | Configurable privacy |
Long-Term Maintenance Burden | Your team | Chainscore SLA |
how-we-deliver
A PROVEN FRAMEWORK
Our Delivery Process: From Regulation to Runtime
We translate complex jurisdictional tax mandates into production-ready, compliant blockchain logic. Our systematic approach ensures your AppChain is legally sound and technically robust from day one.
01
Regulatory Discovery & Mapping
We conduct a deep-dive analysis of your target jurisdiction's tax code (e.g., VAT, GST, capital gains) and map requirements to on-chain logic. This creates the definitive source of truth for your smart contract architecture.
50+
Jurisdictions Analyzed
2-3 days
Initial Framework
02
Architecture & Smart Contract Design
Our architects design a modular tax engine with upgradable logic, clear separation of concerns, and gas-efficient calculation modules. We define the data oracles and admin controls required for compliance.
OpenZeppelin
Security Standard
Modular
Design Pattern
03
Development & Security Hardening
Engineers implement the tax logic in Solidity/Vyper, integrating with price feeds and identity solutions. Every module undergoes unit testing, static analysis, and formal verification for financial accuracy.
100%
Branch Coverage
Slither, MythX
Analysis Tools
05
Testnet Deployment & Simulation
We deploy the full AppChain stack to a testnet, executing comprehensive scenario testing with synthetic transactions. This validates tax calculations under edge cases and simulated regulatory changes.
1000+
Test Scenarios
Full Regression
On Updates
06
Mainnet Launch & Runtime Monitoring
We manage the secure mainnet deployment and establish real-time monitoring for the tax engine. Our team provides ongoing support for logic updates, ensuring continuous compliance as regulations evolve.
24/7
Alerting
SLA-Backed
Support
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect and deploy custom smart contracts for DeFi, NFTs, DAOs, and enterprise applications. Our development process ensures security-first design, gas optimization, and full audit readiness.
- From Concept to Mainnet: We handle the full lifecycle—specification, development, testing, and deployment.
- Built on Standards:
ERC-20,ERC-721,ERC-1155, and custom logic usingSolidity 0.8+andOpenZeppelinlibraries. - Deliverables: Production-ready code, comprehensive test suites, deployment scripts, and technical documentation.
We deliver contracts you can trust, reducing audit time by 40% and mitigating critical vulnerabilities before deployment.
AppChain Tax Compliance
Frequently Asked Questions
Common questions about building a custom AppChain for jurisdiction-specific tax rules. Get clear answers on timelines, security, and our development process.
A standard deployment for a jurisdiction-specific tax AppChain takes 4-8 weeks from kickoff to mainnet launch. This includes 2 weeks for design and smart contract architecture, 2-3 weeks for core development and integration of tax logic, and 1-2 weeks for security audits and final deployment. Complex multi-jurisdiction requirements 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