We architect, develop, and deploy custom Solidity/Rust smart contracts that are secure by design. Our process includes formal verification and third-party audits to ensure your core logic is robust and immutable.
LABS
Services
Privacy-Preserving Tax Reporting System
Chainscore builds custom ZK-proof systems for financial institutions to generate and submit accurate tax liability reports to regulators, without disclosing sensitive transaction data or compromising user privacy.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications and deployed on-chain.
- Custom Tokenomics: Design and implement
ERC-20,ERC-721,ERC-1155, and bespoke token standards. - DeFi Protocols: Build lending pools, automated market makers (AMMs), staking mechanisms, and yield strategies.
- Enterprise Logic: Develop complex multi-signature wallets, governance systems, and supply chain tracking.
- Full Lifecycle: From ideation and testing to deployment on
EVM/non-EVMchains and post-launch monitoring.
We deliver production-ready contracts in 2-4 weeks, backed by a 99.9% uptime SLA for deployed infrastructure and comprehensive audit reports.
key-features-cards
ENTERPRISE-GRADE ARCHITECTURE
Core System Capabilities
Our privacy-preserving tax reporting system is engineered for financial institutions, delivering secure, compliant, and automated workflows without exposing sensitive transaction data.
benefits
TANGIBLE RESULTS
Business Outcomes for Your Institution
Our privacy-preserving tax reporting system delivers concrete, measurable value by solving core compliance challenges with zero-trust architecture.
01
Regulatory Compliance with Privacy
Generate FATCA/CRS-compliant reports directly from on-chain data without exposing sensitive customer information. Our zero-knowledge proofs verify transaction legitimacy for tax authorities while keeping wallet identities private.
FATCA/CRS
Compliance Ready
ZK-Proofs
Privacy Layer
02
Automated On-Chain Data Reconciliation
Eliminate manual data entry and reconciliation errors. Our system automatically ingests, normalizes, and classifies transactions from EVM and non-EVM chains, providing a single source of truth for tax liability calculation.
100%
Automated
Multi-Chain
Coverage
03
Audit Trail & Immutable Record-Keeping
Maintain a cryptographically verifiable, immutable audit trail of all reported data. Every calculation and submission is timestamped and logged on-chain, providing defensible evidence for regulatory audits.
Immutable
Audit Trail
On-Chain
Verification
04
Reduced Operational Cost & Risk
Cut compliance team overhead by up to 70% by automating report generation. Mitigate the risk of human error and non-compliance penalties, which can exceed millions in fines for institutional players.
70%
Cost Reduction
Zero
Manual Errors
05
Real-Time Liability Monitoring
Move from quarterly panic to continuous clarity. Monitor estimated tax liabilities in real-time across all user portfolios, enabling proactive financial planning and cash flow management.
Real-Time
Monitoring
Portfolio-Wide
Visibility
06
Enterprise-Grade Security & SLAs
Deploy with confidence. Our system is built with institutional security standards, undergoes regular third-party audits, and is backed by a 99.9% uptime SLA for critical reporting periods.
99.9%
Uptime SLA
SOC 2
Framework
Structured Implementation Roadmap
Phased Development & Delivery
A transparent, milestone-driven approach to delivering your compliant privacy-preserving tax reporting system, from MVP to full-scale production.
| Phase & Deliverables | Discovery & MVP (4-6 Weeks) | Core Build & Audit (6-8 Weeks) | Production & Scale (Ongoing) |
|---|---|---|---|
Privacy-Preserving Proofs (zk-SNARKs/zk-STARKs) | Architecture Design & POC | Core Circuit Development & Testing | Optimization & Multi-Chain Support |
Smart Contract Suite (Tax Logic) | Requirement Specification | Full Development & Internal Audit | External Audit & Mainnet Deployment |
Regulatory Compliance Engine | Jurisdiction Analysis (US, EU) | Rule Integration & Testing | Automated Updates & Monitoring |
API & Integration Layer | Design Specification | Developer-First API Build | High-Availability Deployment (99.9% SLA) |
Data Pipeline (On/Off-Chain) | Data Source Mapping | Secure Ingestion & Indexing | Real-time Processing & Alerts |
Security & Audits | Threat Model Review | Full External Audit Report | Continuous Monitoring & Bug Bounty Setup |
Client Handoff & Support | Weekly Syncs & Documentation | Staging Deployment & Training | 24/7 Production Support SLA |
Estimated Investment | $50K - $80K | $120K - $180K | Custom (Based on Scale) |
how-we-deliver
PROVEN FRAMEWORK
Our Development Methodology
We deliver secure, compliant, and production-ready tax reporting systems through a rigorous, multi-phase process designed to mitigate risk and accelerate time-to-market.
01
Compliance-First Architecture
We design systems anchored in FATF Travel Rule, DAC8, and MiCA requirements from day one. Our modular architecture ensures seamless adaptation to evolving global regulations.
0
Regulatory Fines
100%
Audit Trail
02
Zero-Knowledge Proof Integration
Implement ZK-SNARKs (e.g., Circom, Halo2) to enable transaction validation and reporting without exposing sensitive user data, ensuring privacy-by-design.
< 1 sec
Proof Generation
256-bit
Security
03
Enterprise-Grade Security Audits
Every smart contract and cryptographic circuit undergoes formal verification and third-party audits by firms like Trail of Bits before deployment to mainnet.
3+
Audit Layers
Critical: 0
Final Report
04
Automated Reporting Engine
Build real-time data pipelines that aggregate on-chain/off-chain data, generate tax forms (e.g., 1099, AEOI CRS), and submit to regulators via approved APIs.
99.9%
Data Accuracy
< 24h
Report Generation
05
Scalable Multi-Chain Support
Deploy reporting agents across EVM chains (Ethereum, Polygon), Solana, and Cosmos SDK chains, with a unified dashboard for consolidated oversight.
15+
Supported Chains
Sub-second
Sync Time
06
Continuous Compliance Monitoring
We provide ongoing monitoring, alerting, and update services to ensure your system remains compliant with new jurisdictional rules and protocol upgrades.
24/7
Monitoring
< 48h
Patch Deployment
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3-native engineers.
We architect and deploy custom smart contracts that form the backbone of your protocol. Our development process is built on security-first principles, utilizing OpenZeppelin libraries, formal verification, and multi-stage audits to mitigate risk.
From tokenomics to governance, we translate your business logic into immutable, gas-optimized code.
- Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - DeFi Primitives: Automated Market Makers (AMMs), staking pools, yield vaults, and lending protocols.
- Security Guarantee: All contracts undergo internal review + two external audits before mainnet deployment.
- Delivery: Receive a complete audit report, deployment scripts, and documentation in 4-6 weeks.
Privacy-Preserving Tax Reporting
Frequently Asked Questions
Get clear answers on how our system works, its security, and the implementation process.
We implement Zero-Knowledge Proofs (ZKPs) to generate verifiable attestations of tax liabilities without revealing underlying transaction details. The system produces a cryptographic proof that validates calculations against public on-chain data and private user inputs, which is then submitted to tax authorities. This maintains user privacy for all non-taxable events while providing regulators with the mathematically guaranteed proof they require for compliance.
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