We architect and deploy custom smart contracts that power your core business logic—from tokenomics and governance to DeFi protocols and NFT marketplaces. Our contracts are built for security first, using battle-tested patterns from OpenZeppelin and comprehensive audit processes.
LABS
Services
Privacy-Focused Invoice Tracking System
We build enterprise-grade invoice platforms that use zero-knowledge proofs or trusted execution environments to conceal sensitive transaction data while providing an immutable, verifiable audit trail for compliance.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts.
- Custom Token Systems:
ERC-20,ERC-721, andERC-1155with tailored minting, vesting, and staking logic. - DeFi & DEX Logic: Automated market makers (AMMs), liquidity pools, yield strategies, and governance modules.
- Enterprise Integration: Upgradeable proxies, multi-sig administration, and gas-optimized functions for high-volume applications.
We deliver audit-ready code in 2-4 weeks, reducing your time-to-market and technical risk. Our contracts are built on
Solidity 0.8+and include full documentation and test coverage.
key-features-cards
BUILT FOR FINANCIAL PRIVACY
Core Technical Capabilities
Our privacy-focused invoice tracking system is engineered with enterprise-grade security and scalability, delivering auditable confidentiality without sacrificing performance.
benefits
DELIVERABLES
Business Outcomes for Your Platform
Our privacy-focused invoice tracking system delivers concrete, measurable results for your financial operations, built on verifiable blockchain infrastructure.
01
Immutable Audit Trail
Every invoice, payment, and status change is recorded on-chain, providing a tamper-proof, cryptographically verifiable history for compliance and dispute resolution.
100%
Data Integrity
Zero
Tamper Risk
02
Real-Time Payment Reconciliation
Automated smart contracts match invoices to on-chain payments in real-time, eliminating manual reconciliation and reducing operational overhead by up to 80%.
< 1 sec
Reconciliation
80%
Ops Reduction
03
Enterprise-Grade Privacy
Leverage zero-knowledge proofs (ZKPs) or private state channels to keep invoice amounts and counterparty details confidential while maintaining a public proof of transaction.
ZK-Proofs
Privacy Tech
SOC 2
Compliance Ready
04
Automated Compliance & Reporting
Generate regulatory reports (e.g., VAT, GST) automatically from on-chain data. Smart contracts enforce payment terms and escrow rules, reducing compliance risk.
Auto-Generated
Reports
24/7
Rule Enforcement
05
Reduced Settlement Time & Cost
Direct, peer-to-peer settlement via stablecoins or CBDCs eliminates intermediary banks, cutting cross-border payment times from days to minutes and fees by over 50%.
Minutes
Settlement
> 50%
Fee Reduction
06
Programmable Invoice Financing
Enable instant, trustless invoice factoring. Smart contracts can automatically release funds against verified invoices, unlocking working capital without manual approval.
Instant
Funding
DeFi
Integration
Infrastructure Decision Matrix
Build vs. Buy: Privacy Invoice Tracking
A technical and financial comparison of developing a privacy-preserving invoice system in-house versus leveraging Chainscore's enterprise-grade platform.
| Factor | Build In-House | Chainscore Platform |
|---|---|---|
Time to Production | 6-9 months | 4-8 weeks |
Initial Development Cost | $250K - $600K+ | $50K - $150K |
Core Technology Stack | Custom ZK-SNARKs/MPC, Solidity, IPFS | Pre-audited ZK-circuits, modular smart contracts, decentralized storage |
Security Posture | High Risk (unaudited, untested) | Low Risk (audited by Spearbit, runtime monitoring) |
Compliance & Privacy | Your legal team's responsibility | Built-in compliance modules (GDPR, data minimization) |
Ongoing Maintenance | Dedicated 2-3 engineer team | Fully managed service with optional SLA |
Scalability & Upgrades | Manual, costly protocol upgrades | Automatic, non-breaking upgrades included |
Total Cost of Ownership (Year 1) | $500K - $1.2M+ | $80K - $200K |
Guaranteed Uptime SLA | None (your infrastructure) | 99.9% with financial backing |
how-we-deliver
PROVEN PROCESS
Our Delivery Methodology
We deliver enterprise-grade, privacy-first systems through a structured, transparent workflow designed for security, compliance, and rapid time-to-market.
01
Architecture & Design Sprint
We begin with a collaborative 2-week sprint to define your zero-knowledge proof architecture, data privacy model, and on-chain/off-chain data flows. This ensures your system is built on a secure, scalable foundation from day one.
2 weeks
Design Phase
100%
Requirement Clarity
02
Secure Smart Contract Development
Our engineers develop and audit your core invoice logic using Solidity 0.8+ with OpenZeppelin libraries. We implement privacy-preserving state transitions and verifiable claims for immutable, tamper-proof record-keeping.
OpenZeppelin
Security Standard
Gas-Optimized
Contract Design
03
Privacy Layer Integration
We integrate zero-knowledge proof circuits (using Circom or Noir) or trusted execution environments (TEEs) to enable confidential invoice validation and selective disclosure, ensuring transaction details remain private between counterparties.
ZK-SNARKs/TEEs
Privacy Tech
Selective Disclosure
Data Control
05
Staged Deployment & Testing
We deploy to a private testnet for integration testing, followed by a canary release on a public testnet (Sepolia, Holesky). Final production deployment includes automated monitoring and alerting for 99.9% uptime SLA.
Testnet > Mainnet
Deployment Path
99.9%
Uptime SLA
06
Documentation & Handover
We provide complete technical documentation, admin guides, and API references. The final handover includes knowledge transfer sessions for your team and 30 days of post-launch support to ensure a smooth operational transition.
Full Docs
Deliverable
30 days
Post-Launch Support
Privacy-Focused Invoice Tracking
Frequently Asked Questions
Get clear answers about our development process, security, and timelines for building your confidential financial system.
We implement a multi-layered privacy architecture. Core sensitive data is encrypted using AES-256-GCM before being stored, with keys managed via a secure, audited key management service. On-chain, we leverage Zero-Knowledge Proofs (ZKPs) using libraries like Circom and SnarkJS to validate invoice states and payments without revealing underlying amounts or counterparty details. This ensures transaction validity is publicly verifiable while the commercial terms remain confidential between parties.
conclusion
CORE INFRASTRUCTURE
Smart Contract Development
Secure, audited smart contracts built to your exact specifications, from token standards to complex DeFi logic.
We architect and deploy production-grade smart contracts that power your Web3 application. Our development process is built on security-first principles, utilizing battle-tested libraries like OpenZeppelin and rigorous internal audits before deployment.
Deliver a secure, functional, and gas-optimized contract suite in as little as 2-4 weeks for an MVP.
We specialize in:
- Custom Token Standards:
ERC-20,ERC-721,ERC-1155, and proprietary implementations. - DeFi & dApp Logic: Automated market makers (AMMs), staking pools, governance systems, and NFT marketplaces.
- Cross-Chain & Layer 2: Native development for Ethereum, Polygon, Arbitrum, and other EVM-compatible networks.
Every contract undergoes a multi-stage review process, culminating in a formal security audit report from a third-party firm. We ensure your core business logic is resilient, efficient, and ready for mainnet.
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