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Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
Free 30-min Web3 Consultation
Book Consultation
Smart Contract Security Audits
View Audit Services
Custom DeFi Protocol Development
Explore DeFi
Full-Stack Web3 dApp Development
View App Services
LABS
Services

Anonymous Cross-Chain NFT Swap Integration

We implement privacy-preserving protocols for swapping NFTs across blockchains. Our solutions use stealth addresses and zero-knowledge proofs to conceal NFT metadata, trader identity, and transaction history.
Chainscore © 2026
overview
RELIABLE FOUNDATION

Blockchain Infrastructure

Enterprise-grade node infrastructure with 99.9% uptime SLA and multi-chain support.

We provide managed RPC endpoints, archival nodes, and validators for Ethereum, Solana, Polygon, and 20+ other chains. Our infrastructure is built for high-throughput applications requiring sub-second latency and predictable performance.

  • Guaranteed Uptime: 99.9% SLA with 24/7 monitoring and automated failover.
  • Full-Node Access: Archival, trace, and debug endpoints for complete data access.
  • Dedicated Resources: Isolated, non-shared nodes to prevent "noisy neighbor" performance issues.
  • Security-First: SOC 2 Type II compliant infrastructure with DDoS protection and private VPCs.

Deploy production-ready infrastructure in hours, not weeks. We handle the complexity so your team can focus on building your core product.

key-features-cards
BUILDING BLOCKS FOR PRIVACY

Core Technical Capabilities We Implement

We deliver the foundational infrastructure for private, trustless NFT swaps across chains. Each component is engineered for security, scalability, and seamless integration into your product.

03

Relayer & Prover Network

A decentralized network of relayers to submit transactions and generate proofs off-chain. We manage node infrastructure with 99.9% uptime SLAs, removing operational burden from your team.

99.9%
Uptime SLA
Geo-distributed
Nodes
05

Gas Optimization & Fee Abstraction

We implement meta-transactions and gas-efficient contract patterns to minimize user costs. Optional fee abstraction allows users to pay in any token, not just native gas.

40-60%
Gas Reduction
ERC-20 / Stablecoin
Fee Options
06

Monitoring & Incident Response

Real-time dashboards for swap success rates, liquidity health, and security events. 24/7 alerting and automated failover procedures to ensure system resilience.

< 60 sec
Alert Response
Full Observability
Coverage
benefits
DELIVERABLES & GUARANTEES

Business Outcomes for Your Platform

Our integration delivers measurable results, from accelerated user acquisition to hardened security. We focus on outcomes that directly impact your platform's growth and operational integrity.

01

Zero-Knowledge Privacy Layer

Integrate a ZK-based privacy engine that anonymizes NFT metadata and wallet addresses during swaps. Protects user identity while maintaining on-chain verifiability.

100%
On-Chain Privacy
Certified
ZK-SNARKs
02

Cross-Chain Settlement Engine

Deploy a non-custodial bridge and atomic swap protocol supporting Ethereum, Polygon, and Solana. Ensures asset finality in under 3 minutes with no intermediary risk.

< 3 min
Finality Time
3+ Chains
Supported
03

Gas-Optimized Smart Contracts

Receive custom, audited smart contracts for swap execution and fee management. Built with Solidity 0.8+ and OpenZeppelin libraries to minimize costs and maximize security.

40-60%
Gas Reduction
Audited
Code Security
04

Full-Stack Integration Kit

Get a complete SDK, API layer, and frontend components (React/Web3.js) for seamless platform integration. Includes comprehensive documentation and developer support.

< 2 weeks
Integration Time
Full SDK
Included
05

Enterprise-Grade Security & Monitoring

Benefit from 24/7 threat monitoring, automated anomaly detection, and real-time alerting. Infrastructure built with multi-sig governance and failsafe mechanisms.

99.9%
Uptime SLA
24/7
Monitoring
06

Compliance-Ready Architecture

Implement privacy features designed with regulatory considerations, including transaction masking and optional compliance hooks for sanctioned address screening.

Modular
Compliance Layer
Audit Trail
Maintained
Choose Your Integration Path

Structured Development Packages

Compare our standardized packages for Anonymous Cross-Chain NFT Swap Integration, designed to match your project's stage, security needs, and operational scale.

Feature / DeliverableStarterProfessionalEnterprise

Cross-Chain Bridge Integration (EVM)

Anonymous Swap Smart Contracts

Basic (ERC-721)

Advanced (ERC-1155, ERC-721)

Custom (Multi-Asset, Bundles)

Security Audit Scope

Automated + Manual Review

Full Formal Verification

Continuous Audit + Bug Bounty Setup

Supported Blockchains

2 (e.g., Ethereum, Polygon)

Up to 5

Unlimited (Custom RPC Support)

Integration & Deployment Support

Documentation

Guided Deployment

Full CI/CD Pipeline Setup

Monitoring & Alerting

Basic Dashboard

Custom Alerts & Analytics

24/7 SRE Team & SLA

Incident Response Time SLA

Best Effort

< 24 Hours

< 1 Hour

Ongoing Maintenance & Upgrades

Self-Service

1 Year Included

Dedicated Engineer & Roadmap Planning

Estimated Timeline

3-4 Weeks

6-8 Weeks

Custom (8+ Weeks)

Starting Price

$25,000

$75,000

Custom Quote

how-we-deliver
PROVEN PROCESS

Our Delivery Methodology

A structured, security-first approach to integrating private NFT swaps, designed to deliver production-ready infrastructure with minimal risk and maximum speed.

01

Architecture & Protocol Design

We design a custom cross-chain architecture using zero-knowledge proofs (ZKPs) and secure MPC protocols, selecting the optimal mix of Layer 2s and bridges for your use case.

2-3 days
Design Sprint
3+ Options
Architecture Reviewed
02

Smart Contract Development & Audit

Development of custom, gas-optimized smart contracts for escrow, verification, and settlement. All contracts undergo internal review and are prepared for third-party audit.

OpenZeppelin
Security Patterns
Formal Verification
Internal Audit
03

Privacy Layer Integration

Secure integration of ZK-SNARK circuits (e.g., Circom) or trusted execution environments (TEEs) to enable anonymous proof generation and verification without exposing user data.

ZK-SNARKs/TEEs
Privacy Engine
On-Chain Proof
Verification
04

Cross-Chain Bridge Implementation

Integration with secure, audited messaging layers (like Axelar, Wormhole, or LayerZero) or custom light clients to facilitate asset transfer and state synchronization between chains.

> 10 Chains
Supported
Sub-Second
Message Finality
05

Frontend SDK & API Development

Delivery of a developer-friendly TypeScript SDK and REST/GraphQL APIs, enabling your team to easily build swap interfaces and manage swap lifecycle events.

TypeScript
SDK
Full Docs
Included
06

Deployment & Production Readiness

We manage the deployment to testnet and mainnet, configure monitoring (alerting, dashboards), and provide a comprehensive handover with operational runbooks for your team.

24/7
Monitoring
SLA & Runbooks
Handover
Anonymous Cross-Chain NFT Swap Integration

Frequently Asked Questions

Get clear answers on our development process, security, timelines, and support for your private NFT bridge project.

A standard anonymous cross-chain NFT swap integration takes 4-8 weeks from kickoff to mainnet deployment. This includes protocol design, smart contract development, zero-knowledge circuit implementation, frontend integration, and security audits. Complex requirements like custom privacy pools or multi-chain support can extend the timeline, which we scope and agree upon before project start.

ENQUIRY

Get In Touch
today.

Our experts will offer a free quote and a 30min call to discuss your project.

NDA Protected
24h Response
Directly to Engineering Team
10+
Protocols Shipped
$20M+
TVL Overall
NDA Protected Directly to Engineering Team
Anonymous Cross-Chain NFT Swap Development | Chainscore Labs | ChainScore Guides