We architect and deploy production-grade Solidity and Rust smart contracts with a focus on security-first development. Every contract undergoes rigorous internal audits and is built with OpenZeppelin standards to mitigate risks and ensure reliability.
LABS
Services
Confidential Payment Gateway Setup
Deploy and customize a merchant payment gateway that processes customer payments using confidential transactions, shielding business revenue and customer purchase history on public ledgers.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, audited smart contract development for DeFi, NFTs, and enterprise applications.
Deliver a secure, gas-optimized MVP in as little as 2-4 weeks, accelerating your time-to-market.
- DeFi Protocols: DEXs, lending/borrowing platforms, yield aggregators, and automated strategies.
- Digital Assets: Custom
ERC-20,ERC-721, andERC-1155tokens with advanced minting logic. - Enterprise Solutions: Supply chain tracking, credential verification, and secure multi-signature wallets.
- Post-Deployment: Full verification on Etherscan/Solscan, deployment scripts, and comprehensive documentation.
key-features-cards
ENTERPRISE-GRADE
Core Features of Our Confidential Gateway
Our gateway is engineered for production, delivering the privacy of zero-knowledge proofs with the reliability and compliance required by regulated FinTechs and Web3 startups.
benefits
STRATEGIC ADVANTAGES
Business Outcomes: Beyond Privacy
A confidential payment gateway delivers more than just transaction privacy. It creates measurable business value by enabling new revenue streams, reducing operational friction, and building unshakable user trust.
01
Unlock New Revenue Streams
Enable B2B and high-value transactions that were previously impossible due to public ledger exposure. We implement confidential payment rails for institutional trading, payroll, and supply chain finance.
New Markets
B2B & Enterprise
0%
Front-Running Risk
02
Reduce Regulatory & Compliance Overhead
Our architecture separates transaction validation from data exposure, simplifying compliance with GDPR, CCPA, and financial regulations. Selective disclosure proofs provide auditability without full transparency.
Selective
Disclosure
ZK-Proofs
For Audits
03
Enhance User Trust & Adoption
Give users control over their financial privacy. Our gateways build confidence for mainstream adoption by protecting sensitive payment amounts and counterparty details from public scrutiny.
User-Controlled
Privacy
On-Chain
Settlement Proof
04
Mitigate MEV & Competitive Risk
Protect transaction strategies from predatory bots and competitors. Our confidential setups prevent front-running, sandwich attacks, and information leakage that erode value in public DeFi.
0%
Information Leakage
Secure
Order Flow
05
Future-Proof Architecture
Built with modular zero-knowledge circuits (e.g., zk-SNARKs via Aztec, Zcash) and MPC protocols. We design for upgradeability to integrate new privacy-preserving technologies as the ecosystem evolves.
Modular
ZK Circuits
Upgradeable
Design
06
Enterprise-Grade Security & SLAs
Deploy with confidence. Our gateways include 24/7 monitoring, multi-sig governance for upgrades, and are built on audited frameworks. We provide clear SLAs for uptime and support.
99.9%
Uptime SLA
Audited
Codebase
Tailored for Your Stage
Standardized Build Packages
Compare our tiered service packages for confidential payment gateway development, designed to match your project's scale, security needs, and timeline.
| Feature / Deliverable | Starter | Professional | Enterprise |
|---|---|---|---|
Zero-Knowledge Payment Circuits | Basic (zk-SNARKs) | Advanced (zk-STARKs/SNARKs) | Custom Multi-Circuit Architecture |
Smart Contract Suite Audit | 1 Major Protocol | Up to 3 Core Protocols | Full Stack + Custom Logic |
Supported Chains | Ethereum Mainnet | EVM L2s (Arbitrum, Base) | Multi-Chain + App-Specific Rollup |
Integration Support | API & SDK Documentation | Direct Developer Support (2 weeks) | Dedicated Integration Engineer |
SLA & Monitoring | Basic Alerts | 24/7 Health Dashboard | 99.9% Uptime SLA with 1h Response |
Compliance Features | Basic AML Checks | Custom Rule Engine & Reporting | Regulatory Sandbox Testing |
Time to Live | 6-8 Weeks | 4-6 Weeks | Custom Timeline |
Pricing | $25,000 | $75,000 | Contact for Quote |
how-we-deliver
PROVEN PROCESS
Our Delivery Methodology
We deliver secure, production-ready payment gateways through a structured, transparent process designed for speed and compliance.
01
Discovery & Architecture Design
We conduct a technical deep-dive to define your specific privacy requirements (e.g., zero-knowledge proofs, confidential assets) and design a scalable, secure system architecture tailored to your business logic.
1-2 days
Workshop
Detailed Spec
Deliverable
02
Secure Smart Contract Development
Our engineers build custom, auditable smart contracts for payment routing, escrow, and settlement using Solidity 0.8+ with OpenZeppelin libraries, implementing your defined privacy mechanisms.
Gas-Optimized
Code
Modular
Design
03
Comprehensive Security Audit
Every line of code undergoes rigorous internal review followed by a formal audit from a leading third-party firm like CertiK or Quantstamp, with findings remediated before deployment.
Multi-Layer
Review
Audit Report
Deliverable
04
Staged Deployment & Integration
We deploy to a testnet for final validation, then execute the mainnet launch. We provide full integration support for your front-end and backend systems via documented APIs and SDKs.
Testnet First
Phase
Full API Support
Included
05
Monitoring & Maintenance SLA
Post-launch, we provide 24/7 system monitoring, alerting, and performance dashboards. Our service includes guaranteed response times for incident management and protocol upgrades.
24/7
Monitoring
< 15 min
Response SLA
06
Compliance & Documentation Handoff
We deliver complete technical documentation, operational runbooks, and compliance guidance for financial regulations (travel rule, AML) relevant to private transactions, ensuring you own and understand the system.
Full Docs
Deliverable
Regulatory Guide
Included
security
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built for scale and compliance.
We architect, develop, and audit custom Solidity/Rust smart contracts that form the backbone of your Web3 application. Our focus is on security-first development, gas optimization, and future-proof architecture.
- Full Lifecycle Development: From initial design and
OpenZeppelinintegration to deployment and upgrade management via transparent proxies. - Comprehensive Auditing: Internal reviews, automated testing with
Foundry/Hardhat, and coordination with top external audit firms. - Protocol-Specific Logic: Custom implementations for DeFi (AMMs, lending), NFTs (dynamic metadata, staking), DAOs, and enterprise RWA tokenization.
We deliver contracts you can deploy with confidence, backed by a 99.9% uptime SLA and post-launch monitoring for anomalous activity.
Confidential Payment Gateway Setup
Frequently Asked Questions
Get clear answers on our process, security, and support for implementing private, on-chain payment infrastructure.
A confidential payment gateway is a smart contract-based system that processes on-chain payments while keeping transaction amounts, sender, and receiver details private from the public ledger. You need one to protect sensitive business logic, shield customer transaction data from competitors, and ensure compliance with data privacy regulations like GDPR when operating in DeFi or Web3 commerce. We build these using zero-knowledge proofs (ZKPs) and confidential smart contracts on supported chains.
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