We architect and deploy audit-ready smart contracts on EVM and Solana. Our code follows OpenZeppelin standards and includes comprehensive unit and integration testing to prevent costly exploits. We deliver a full suite of contracts for DeFi, NFTs, and DAOs, including custom ERC-20, ERC-721, and ERC-1155 implementations.
LABS
Services
Crypto Payroll Tax Filing & Submission Portal
A secure, automated portal that files calculated payroll withholdings and reports directly with tax authorities like the IRS and HMRC, eliminating manual submission errors and delays.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We guarantee a 99.9% security-first development process, with formal verification options for critical financial logic.
- Full Audit Support: Contracts are structured for seamless review by firms like CertiK or Quantstamp.
- Gas Optimization: We minimize transaction costs by up to 40% through efficient bytecode and storage patterns.
- Upgradeability & Security: Implement transparent proxy patterns (
UUPS) for secure, future-proof upgrades. - Time-to-Market: Go from spec to testnet in 2-3 weeks with our templated development workflow.
key-features-cards
END-TO-END AUTOMATION
Core Capabilities of Your Tax Filing Portal
Our portal automates the entire crypto payroll tax lifecycle—from real-time calculation to final submission—eliminating manual errors and ensuring full compliance across jurisdictions.
01
Real-Time Tax Calculation Engine
Automatically calculates income tax, social security, and capital gains liabilities in real-time as payroll transactions occur. Supports FIFO, LIFO, and HIFO accounting methods with automatic cost-basis tracking.
100+
Jurisdictions
Real-time
Calculation
02
Automated Form Generation & Filing
Generates and pre-fills IRS Form 1099, Schedule D, and international equivalents (e.g., HMRC SA100). Submits directly to tax authorities via secure, encrypted APIs with full audit trails.
IRS e-File
Direct Integration
100%
Audit Trail
03
Multi-Jurisdiction Compliance Hub
Centralized dashboard for managing tax obligations across the US, EU, UK, and APAC. Tracks regulatory changes and automatically updates calculation rules to maintain compliance.
50+
Countries
Auto-updated
Regulations
04
Employee Self-Service Portal
Secure portal where employees can view their year-to-date earnings, tax withholdings, and access personalized tax documents (like Form W-2 equivalents) for self-filing.
24/7
Access
Bank-grade
Security
05
Audit-Ready Reporting & Reconciliation
Generates comprehensive reports for internal audits and tax authority inquiries. Automatically reconciles payroll data with on-chain transactions and exchange records.
One-click
Report Generation
Fully
Reconciled
06
Enterprise-Grade Security & SOC 2 Compliance
All data is encrypted in transit and at rest. Our system is built with zero-trust architecture and undergoes regular SOC 2 Type II audits to protect sensitive financial data.
SOC 2
Type II
AES-256
Encryption
benefits
STRATEGIC ADVANTAGES
Business Outcomes: Beyond Compliance
Our tax filing portal delivers more than just regulatory compliance. It creates tangible business value by automating complexity, reducing risk, and freeing your team to focus on growth.
01
Operational Efficiency
Automate the entire payroll tax lifecycle—from calculation to submission—reducing manual workload by over 90%. Eliminate human error and administrative bottlenecks.
90%+
Manual Work Reduction
< 24 hrs
Monthly Close
02
Audit-Proof Recordkeeping
Every transaction is immutably logged on-chain, creating a tamper-proof audit trail. Simplify compliance reviews and respond to inquiries with cryptographic proof.
100%
Immutable Records
Real-time
Audit Trail
03
Real-Time Treasury Visibility
Gain instant, consolidated visibility into global tax liabilities and payments across all jurisdictions. Forecast cash flow needs and optimize treasury management.
Real-time
Liability Dashboard
Multi-jurisdiction
Consolidated View
04
Scalable Global Compliance
Built-in support for evolving tax regulations across the US, EU, and APAC. Scale your global team without proportional increases in compliance overhead.
50+
Jurisdictions Supported
Auto-updates
Regulatory Changes
05
Developer & Employee Experience
Seamless API integration with your existing payroll and HR systems. Provide employees with a transparent, self-service portal for tax documents.
REST & GraphQL
API Access
Self-Service
Employee Portal
06
Risk Mitigation & Cost Avoidance
Proactively prevent costly penalties, interest charges, and legal fees associated with filing errors or missed deadlines. Turn compliance from a cost center into a controlled process.
$0
Penalties Guarantee*
Proactive
Deadline Alerts
Why a Dedicated Portal Beats Spreadsheets and Manual Filing
Build vs. Manual Process: A Clear Choice
Compare the operational overhead, compliance risk, and total cost of managing crypto payroll taxes manually versus using Chainscore's automated filing portal.
| Factor | Manual Spreadsheet Process | Chainscore Automated Portal |
|---|---|---|
Implementation Timeline | 3-6 months (internal dev) | 2-4 weeks (deployment) |
Initial Development Cost | $150K - $300K+ | Starting at $50K |
Annual Compliance Updates | Your team's responsibility | Included in platform updates |
Error & Penalty Risk | High (manual data entry) | Low (automated, audited logic) |
Real-Time Tax Liability Tracking | ||
Multi-Jurisdiction Support (US States) | Manual configuration per state | |
Automated Form Generation (941, W-2, 1099) | ||
Direct IRS/State Agency Submission | ||
Audit Trail & Reporting | Manual compilation | Automated, immutable logs |
Ongoing Team Overhead | 1-2 FTEs for management | Minimal (managed service) |
Total Cost of Ownership (Year 1) | $200K - $500K+ | $75K - $200K |
how-we-deliver
END-TO-END EXECUTION
Our Development & Compliance Process
We deliver a fully compliant, production-ready payroll portal in 6-8 weeks. Our process integrates technical development with regulatory expertise to ensure your solution is secure, scalable, and audit-ready from day one.
01
Regulatory Blueprint & Architecture
We start with a comprehensive compliance audit of your target jurisdictions (US, EU, APAC). Our team designs a system architecture that enforces tax rules at the protocol level, ensuring automated compliance for all transactions.
50+
Jurisdictions Mapped
2 weeks
Initial Design Phase
02
Smart Contract Development & Auditing
Development of secure, gas-optimized smart contracts for payroll distribution, tax withholding, and reporting. All code undergoes internal review followed by a formal audit from a top-tier security firm before deployment.
100%
Audit Coverage
OpenZeppelin
Security Standards
03
Backend Integration & Data Pipeline
We build robust backend services to connect your existing HR/payroll systems (via API) to the blockchain layer. This includes secure oracles for real-time tax rate data and encrypted reporting data pipelines.
< 1 sec
Data Sync Latency
SOC 2
Data Handling
04
Frontend Portal & User Onboarding
A white-labeled, intuitive dashboard for employees and administrators. Features include multi-currency pay stubs, real-time tax liability tracking, and seamless fiat/crypto wallet integration for disbursements.
3 days
Avg. User Onboarding
Mobile-First
Design
05
Compliance Testing & Dry-Run
We execute a full compliance dry-run, generating mock tax forms (e.g., IRS 1099, W-2C) and submitting test filings to regulatory sandboxes. This validates the entire reporting workflow before go-live.
1000+
Test Transactions
Filing Ready
Guaranteed Outcome
06
Deployment & Ongoing Compliance Monitoring
Managed deployment to your infrastructure (AWS/GCP) or ours. We provide ongoing monitoring for regulatory changes, with automated updates to tax tables and reporting logic, backed by a 99.9% uptime SLA.
99.9%
Uptime SLA
24/7
Regulatory Watch
security-compliance
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by experts for your Web3 product.
We architect and deploy audit-ready smart contracts that form the secure foundation of your application. Our development process ensures gas optimization, upgradeability patterns, and comprehensive testing before mainnet deployment.
- Custom Logic:
Solidity/Rustdevelopment for DeFi, NFTs, DAOs, and enterprise use cases. - Security First: Adherence to OpenZeppelin standards and formal verification practices.
- Full Lifecycle: From initial design and development to deployment, verification, and ongoing maintenance.
Reduce your time-to-market and technical risk with battle-tested code. We deliver contracts with 99.9% uptime SLAs and documented disaster recovery procedures.
Our engineers specialize in:
- Token Standards:
ERC-20,ERC-721,ERC-1155, and custom implementations. - DeFi Primitives: Automated Market Makers (AMMs), lending/borrowing pools, staking mechanisms.
- Cross-Chain: Secure bridge and omnichain contract development.
Crypto Payroll & Tax Portal
Frequently Asked Questions
Get clear answers on how our automated tax filing portal works, its security, and what to expect during implementation.
Our portal automates the entire crypto payroll tax lifecycle. It integrates with your existing payroll system to calculate tax liabilities in real-time based on token vesting, spot prices, and employee location. The system automatically generates and files required tax forms (like Form 1099-MISC or international equivalents) with the appropriate authorities. We handle the data reconciliation, submission, and provide an audit trail for your finance team.
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