We architect and deploy production-grade smart contracts that are secure by design. Our development process is built on Solidity 0.8+ with OpenZeppelin libraries and follows established patterns for ERC-20, ERC-721, and custom token standards.
LABS
Services
Automated Tax Calculation for Crypto Invoices
Integrate real-time tax oracle services and logic to automatically calculate, withhold, and report VAT, GST, or sales tax on invoices paid with multiple cryptocurrencies.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built on industry standards to power your Web3 product.
Deliver a battle-tested, auditable codebase that reduces security risks and accelerates your go-to-market timeline.
- Security-First Development: Rigorous internal review and integration with tools like
SlitherandMythXbefore external audit. - Gas Optimization: Code is optimized for lower transaction costs and efficient on-chain execution.
- Full Lifecycle Support: From initial architecture and development through to deployment, verification, and post-launch maintenance.
key-features-cards
AUTOMATED, ACCURATE, AUDIT-READY
Core Capabilities of Our Tax Engine
Our API-first tax calculation engine is built for financial platforms and crypto-native businesses, delivering real-time, compliant tax logic that scales with your transaction volume.
01
Real-Time Calculation Engine
Processes millions of transactions per second with sub-second latency, ensuring tax calculations are instantly available for every trade, swap, or DeFi interaction.
< 100ms
P99 Latency
10M+ TPS
Processing Capacity
02
Global Tax Jurisdiction Support
Automatically applies the correct tax treatment (FIFO, LIFO, HIFO, ACB) and rates for over 100 countries, including the US, EU, UK, and APAC regions.
100+
Jurisdictions
Real-time
Rule Updates
03
Audit-Ready Transaction Ledger
Generates an immutable, timestamped audit trail for every calculation, with source data hashing to simplify compliance reviews and tax authority inquiries.
100%
Data Integrity
IRS/FINMA Ready
Compliance
04
Multi-Chain & Asset Coverage
Supports tax events across 50+ blockchains (Ethereum, Solana, Cosmos) and thousands of assets, including NFTs, DeFi yield, staking rewards, and airdrops.
50+
Blockchains
10,000+
Asset Types
05
Enterprise-Grade Security & SOC 2
Bank-level security with end-to-end encryption, role-based access controls, and annual SOC 2 Type II audits to protect sensitive financial data.
SOC 2 Type II
Certified
AES-256
Encryption
06
Seamless Platform Integration
RESTful APIs and webhooks enable integration with existing accounting software (QuickBooks, Xero), exchanges, and custody solutions in under 2 weeks.
< 2 weeks
Avg. Integration
99.9%
API Uptime SLA
benefits
STRATEGIC ADVANTAGE
Business Outcomes: Beyond Compliance
Automated tax calculation is not just a compliance checkbox. It's a strategic tool that unlocks operational efficiency, financial clarity, and investor confidence. Here’s what our clients achieve.
01
Real-Time Financial Visibility
Gain instant, auditable insights into your tax liabilities across all transactions and jurisdictions. Move from quarterly guesswork to continuous, accurate financial planning.
Real-time
Liability Tracking
100%
Audit Trail
02
Reduced Operational Overhead
Eliminate manual data aggregation and spreadsheet errors. Our API automates the entire workflow, freeing your finance team to focus on strategic analysis, not data entry.
90%
Time Saved
Zero
Manual Errors
03
Enhanced Investor & Auditor Trust
Provide verifiable, granular tax reports that satisfy the most rigorous due diligence. Demonstrate mature financial governance to VCs, auditors, and regulators.
SOC 2
Compliance
Granular
Reporting
04
Scalable Global Operations
Seamlessly handle complex multi-jurisdictional tax rules (FIFO, LIFO, Specific ID) as you expand. Our system updates automatically with regulatory changes.
50+
Jurisdictions
Auto-updated
Rule Engine
05
Faster Financial Closing
Accelerate month-end and year-end closing cycles with pre-calculated, reconciled tax data. Integrate directly with your existing ERP or accounting software.
5x Faster
Closing Speed
Seamless
ERP Integration
06
Proactive Risk Mitigation
Avoid costly penalties and interest from filing errors. Our system flags potential compliance issues before they become problems, with built-in validation checks.
Zero
Penalties
Proactive
Alerts
Make the Strategic Choice for Your FinTech
Build vs. Buy: Automated Crypto Tax Calculation
Compare the total cost, risk, and time investment of developing a compliant tax engine in-house versus partnering with Chainscore Labs.
| Factor | Build In-House | Partner with Chainscore |
|---|---|---|
Time to Production | 6-12 months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $50K - $150K |
Ongoing Annual Cost (Maintenance, Updates, Compliance) | $150K - $300K | $25K - $75K (Optional SLA) |
Coverage (Chains, Tokens, DeFi Protocols) | Limited to team's expertise | Ethereum, Solana, Base, 20+ L2s, 10,000+ assets |
Regulatory Compliance (FIFO, LIFO, ACB, Wash Sales) | High risk (requires legal & accounting partners) | Built-in, with audit trails for 30+ jurisdictions |
Security & Audit Posture | Your liability (unaudited custom code) | Enterprise-grade, audited system with SOC 2 compliance |
Team Requirements | 3-5 Sr. Engineers + Tax Specialist | Your integration engineer + our dedicated support |
Feature Updates (New Chains, Tax Laws) | Manual, slow, reactive | Automatic, included in service |
how-we-deliver
SEAMLESS DEPLOYMENT
Our Integration & Delivery Process
A structured, transparent process designed for technical teams. We integrate with your existing finance stack and deliver a production-ready tax engine in weeks, not months.
01
Discovery & API Integration
We map your existing invoice data flows and connect to your ERP, payment processors, and on-chain data sources via secure APIs. Our team handles the entire integration layer.
1-3 days
Integration Scoping
REST & Webhook
API Support
02
Tax Rule Configuration
Our experts configure the tax logic for your jurisdiction, token types, and business model. Rules are based on real-time data from tax authorities and updated automatically.
150+
Jurisdictions
Automated
Rule Updates
03
Sandbox Testing & Validation
You receive a dedicated sandbox environment to test calculations against historical transactions. We provide detailed reconciliation reports for your finance team's approval.
100%
Transaction Coverage
Full Audit Trail
Validation
04
Production Deployment & SLA
We manage the go-live deployment with zero downtime. Your service is backed by a 99.9% uptime SLA, 24/7 monitoring, and dedicated technical support.
99.9%
Uptime SLA
< 2 weeks
Avg. Deployment
security-compliance
FULL-STACK INFRASTRUCTURE
Custom Blockchain Development
End-to-end blockchain solutions built for scale, security, and rapid deployment.
We architect and deploy custom blockchain infrastructure tailored to your specific use case. From Layer 1/2 networks to enterprise consortium chains, we ensure your foundation is secure, performant, and future-proof.
Deliver a production-ready blockchain in 4-8 weeks, not quarters. Our battle-tested frameworks accelerate development while maintaining rigorous security standards.
- Core Protocol Development: Custom consensus (
PoS,PoA), tokenomics, and governance models. - Node & Validator Infrastructure: Automated deployment, monitoring, and 99.9% uptime SLAs.
- Cross-Chain & Interoperability: Secure bridges and messaging layers using
IBC,LayerZero, or custom protocols. - Full Audit & Compliance: Third-party audits, formal verification, and regulatory readiness assessments.
Automated Tax Calculation for Crypto Invoices
Frequently Asked Questions
Get clear answers on how our API integrates with your platform to automate tax compliance for crypto transactions.
Our API integrates directly with your payment or invoicing system. When a crypto transaction occurs, we automatically identify the assets, fetch real-time pricing data, calculate capital gains/losses using your preferred accounting method (FIFO, LIFO, HIFO), and generate a detailed tax report. We support over 100 blockchains and 10,000+ tokens.
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