We architect and deploy production-ready smart contracts for tokens, DeFi protocols, and NFT ecosystems. Our code is built on Solidity 0.8+ with OpenZeppelin standards and undergoes rigorous security audits before mainnet deployment.
LABS
Services
NFT Collection Portfolio Valuator
Chainscore develops custom mobile applications for advanced NFT portfolio management. We deliver real-time collection valuation, rarity-based analytics, and cross-marketplace floor price tracking for your users.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, gas-optimized smart contracts built by Web3 specialists.
Deliver a secure, audited MVP in as little as 2-4 weeks.
Our process:
- Design & Specification: Collaborative sessions to define logic, tokenomics, and upgrade paths.
- Development & Testing: Implementation with comprehensive unit and integration tests.
- Security Audit: Multi-stage review, including automated analysis and manual expert review.
- Deployment & Verification: Mainnet deployment with full contract verification on Etherscan and equivalent explorers.
We specialize in:
- Token Contracts: Custom
ERC-20,ERC-721, andERC-1155with minting, vesting, and governance modules. - DeFi Protocols: Automated Market Makers (AMMs), liquidity pools, staking, and yield aggregators.
- Utility Contracts: Multi-signature wallets, vesting schedules, and custom business logic for on-chain operations.
key-features-cards
ACCURATE, REAL-TIME VALUATION
Core Features We Implement
We build NFT portfolio valuation engines that deliver institutional-grade accuracy and actionable insights, enabling data-driven decisions for lending, insurance, and investment strategies.
01
Multi-Source Price Aggregation
Real-time data ingestion from primary markets (OpenSea, Blur), secondary sales, and liquidity pools to calculate a robust, market-reflective floor price and fair value for each asset.
15+
Data Sources
< 2 sec
Price Refresh
02
Rarity & Trait-Based Valuation
Algorithmic analysis of on-chain metadata and rarity scores to identify premium traits, ensuring blue-chip NFTs and rare 1/1s are valued beyond simple floor price.
100%
On-Chain Verification
Custom Models
Per Collection
03
Portfolio-Wide Analytics Dashboard
A comprehensive dashboard displaying total portfolio value, asset allocation, P&L tracking, and trend analysis across all connected wallets and collections.
Unlimited
Wallets Tracked
Real-Time
P&L Updates
04
Custom Valuation Models & APIs
Tailored valuation logic for your specific use case (e.g., loan-to-value ratios, insurance underwriting) delivered via secure, low-latency REST & WebSocket APIs.
< 100ms
API Latency
99.9%
Uptime SLA
05
Automated Wash Trading Detection
Sophisticated filters to identify and exclude wash trades, inflated sales, and market manipulation from price calculations, ensuring valuation integrity.
Proprietary
Detection Logic
Continuous
Monitoring
06
Historical Data & Reporting
Full historical price and portfolio value snapshots with exportable reports for auditing, compliance, and performance analysis over custom timeframes.
Full History
Data Retention
CSV/PDF
Export Formats
benefits
TANGIBLE RESULTS
Business Outcomes for Your Platform
Integrating Chainscore's NFT Portfolio Valuator delivers measurable improvements to your platform's core metrics and user experience. We focus on outcomes that drive retention, revenue, and trust.
01
Enhanced User Retention
Provide users with a single, accurate dashboard for their multi-wallet NFT holdings. This reduces churn by increasing platform stickiness and session duration.
40%+
Avg. Session Increase
25%
Lower Churn Rate
02
Accurate, Real-Time Valuations
Leverage Chainscore's proprietary pricing models and on-chain data aggregation for valuations users can trust, eliminating manual portfolio tracking errors.
99.5%
Data Accuracy SLA
< 5 sec
Price Refresh
03
Reduced Development Overhead
Integrate a production-ready valuation engine via API, bypassing 6+ months of building data pipelines, pricing models, and maintenance infrastructure.
6 months
Time Saved
$250K+
Dev Cost Avoided
04
Actionable Financial Insights
Enable advanced features like P&L tracking, collection performance analytics, and tax lot accounting to position your platform as a financial hub.
3x
Feature Velocity
70%
Premium Upsell
05
Enterprise-Grade Security & Compliance
Our infrastructure is built with institutional standards. All data processing is non-custodial, and our models are auditable, supporting regulatory readiness.
SOC 2
Compliance
0
Security Incidents
06
Seamless Multi-Chain Support
Deliver a unified portfolio view across Ethereum, Solana, Polygon, and other major chains without managing separate indexers or RPC endpoints.
10+
Chains Supported
1 API
Integration Point
Structured Roadmap to Production
NFT Portfolio Valuator Development Tiers
Choose the development and support tier that matches your project's scale, from MVP launch to enterprise-grade analytics.
| Capability | Starter (MVP) | Professional (Growth) | Enterprise (Scale) |
|---|---|---|---|
Multi-Chain NFT Indexing | |||
Automated Floor & Rarity Valuation | |||
Historical Price Charts & Trends | |||
Portfolio Performance Dashboard | |||
Custom Valuation Models (e.g., Time-Weighted) | |||
API Access & Rate Limits | 10 req/sec | 100 req/sec | Custom / Unlimited |
Smart Contract Integration Support | Basic (ERC-721) | Advanced (ERC-1155, ERC-6551) | Full (Custom Standards) |
Security Audit & Penetration Testing | Automated Scan | Manual Review + Report | Full Audit + Bug Bounty Setup |
Deployment & Infrastructure | Self-Hosted Guide | Managed Deployment | Dedicated Cloud Infrastructure |
Support & SLA | Community Discord | Business Hours (Email/Chat) | 24/7 Dedicated Engineer |
Implementation Timeline | 2-4 weeks | 4-8 weeks | 8-12+ weeks |
Starting Price | $15,000 | $45,000 | Custom Quote |
how-we-deliver
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We architect, develop, and deploy custom Solidity smart contracts that form the backbone of your Web3 application. Our process ensures security-first development, gas optimization, and comprehensive testing before mainnet deployment.
- Custom Logic: Build tokens (
ERC-20,ERC-721,ERC-1155), DeFi protocols, DAOs, and bespoke business logic. - Security Audits: All code undergoes internal review and integrates with
OpenZeppelinstandards. We facilitate third-party audits. - Full Lifecycle: From initial design and development to deployment, verification, and ongoing maintenance support.
We deliver contracts you can trust, reducing audit cycles and mitigating the risk of costly exploits.
tech-stack
BUILT FOR SCALE
Technology & Protocol Integration
Our NFT Portfolio Valuator is engineered on a robust, multi-chain infrastructure, ensuring real-time, accurate valuations across the entire NFT ecosystem. We handle the protocol complexity so you can deliver a seamless user experience.
01
Multi-Chain NFT Indexing
Real-time data ingestion from Ethereum, Solana, Polygon, and other major L1/L2 networks. We index all major NFT standards (ERC-721, ERC-1155, SPL) to provide a unified, comprehensive portfolio view.
12+
Protocols Supported
< 5 sec
Data Latency
02
Marketplace & Liquidity Aggregation
Consolidated pricing from OpenSea, Blur, Magic Eden, and other leading marketplaces. Our algorithms factor in floor prices, recent sales, and liquidity depth for accurate, market-reflective valuations.
20+
Marketplaces Aggregated
99.9%
Price Feed Uptime
03
Advanced Pricing Oracles
Proprietary oracles that go beyond simple floor prices. We analyze rarity traits, historical sales velocity, and collection momentum to deliver dynamic, context-aware NFT valuations.
100M+
Data Points Analyzed
Sub-second
Valuation Updates
04
Enterprise-Grade Security & Compliance
Infrastructure built with institutional security standards. All data pipelines and smart contract interactions are audited and monitored 24/7, ensuring data integrity and regulatory readiness.
SOC 2
Compliance Framework
24/7
Security Monitoring
05
Custom Integration Framework
Seamless API integration with your existing platform. We provide SDKs, webhooks, and dedicated support for custom logic, fractionalized NFTs, and bespoke valuation models.
< 2 weeks
Integration Timeline
REST & GraphQL
API Options
06
Performance & Scalability Engine
Architected to handle millions of portfolio queries daily with sub-second response times. Auto-scaling infrastructure ensures consistent performance during market volatility and high traffic.
99.95%
API Uptime SLA
< 200ms
P95 Response Time
NFT Valuation
Frequently Asked Questions
Get clear answers on how our NFT Collection Portfolio Valuator works, its security, and integration process.
Our system aggregates real-time data from major marketplaces (OpenSea, Blur, Magic Eden) and on-chain sources. It uses a proprietary algorithm to analyze floor prices, recent sales, rarity scores, and liquidity depth for each NFT in a collection. The result is a dynamic, accurate portfolio valuation updated every 15 minutes, accessible via API or dashboard.
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