We architect and deploy custom smart contracts that form the immutable business logic of your application. Our development process is built on security-first principles and proven patterns to ensure reliability from day one.
LABS
Services
Multi-Chain Achievement Verification Gateway
A unified API service that provides instant, reliable verification of user achievements and credentials issued across Ethereum, Solana, Polygon, and other major chains for SocialFi and gaming applications.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
- Full-Stack Expertise:
Solidity/Rust/Vyperdevelopment for EVM, Solana, and other L1/L2 networks. - Security by Design: Contracts are built with
OpenZeppelinlibraries and undergo rigorous internal audits before deployment. - Gas Optimization: Every line of code is reviewed for efficiency, targeting up to 40% lower transaction costs.
- End-to-End Delivery: From initial spec to deployment and verification on
Etherscan/equivalent, we handle the complete lifecycle.
We deliver audited, gas-optimized contracts in 2-4 weeks, turning your concept into a live, secure protocol.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our Verification Gateway
Our Multi-Chain Achievement Verification Gateway is a purpose-built, API-first service that provides instant, cryptographically secure proof of on-chain accomplishments. We handle the complexity so you can focus on building user experiences.
01
Multi-Chain Proof Aggregation
Single API call to verify user achievements across Ethereum, Polygon, Arbitrum, Optimism, and Base. We index and validate data from over 15 major EVM chains, eliminating the need for your team to manage multiple RPC nodes and indexers.
15+
EVM Chains Supported
< 200ms
Average Query Time
02
Zero-Knowledge Proof Verification
Integrate privacy-preserving credential verification with support for zk-SNARKs and zk-STARKs. Our gateway validates proof-of-achievement without exposing underlying user data, enabling compliant, trustless verification for sensitive credentials.
ZK-SNARK/STARK
Proof Systems
Gasless
Client-Side Cost
03
Real-Time Event Listening & Webhooks
Instant notifications for on-chain achievement mints and updates via configurable webhooks. We monitor smart contract events across all supported chains, providing your application with sub-2-second latency for real-time user engagement triggers.
< 2 sec
Event Latency
99.9%
Delivery SLA
04
Custom Verification Logic & Schemas
Define and deploy bespoke verification rules and achievement schemas tailored to your protocol's needs. Our system supports complex, multi-condition logic (e.g., 'held NFT X for 90 days AND completed transaction Y') with an intuitive rules engine.
No-Code UI
Rules Builder
1-3 days
Schema Deployment
05
Enterprise-Grade Security & Audits
All verification logic and data aggregation pipelines are built with security-first principles, following OpenZeppelin standards. Our infrastructure undergoes regular third-party audits and maintains SOC 2 Type II compliance.
SOC 2 Type II
Compliance
Quarterly
Security Audits
06
Scalable API with Managed Infrastructure
REST and GraphQL APIs designed for high-throughput applications. We provide fully managed infrastructure with automatic scaling, 24/7 monitoring, and dedicated engineering support, ensuring 99.95% uptime for your critical verification flows.
99.95%
Uptime SLA
< 100ms
P99 API Latency
benefits
PROVEN INFRASTRUCTURE
Why Leading SocialFi Apps Choose Our Gateway
Our Multi-Chain Achievement Verification Gateway is the trusted backend for platforms managing millions of on-chain interactions. We deliver the reliability, security, and scalability required for production-grade SocialFi applications.
01
Zero-Downtime Verification Engine
Real-time, multi-chain proof verification with a 99.9% uptime SLA. Our distributed node infrastructure ensures user achievements and credentials are validated instantly, without service interruptions.
99.9%
Uptime SLA
< 500ms
Avg. Verification
02
Enterprise-Grade Security & Audits
Built with OpenZeppelin standards and undergoes regular third-party audits. We manage private key security and signature validation, so your team doesn't bear the operational risk.
100%
Audit Coverage
SOC 2
Compliance
03
Multi-Chain Agnostic Architecture
Seamlessly verify achievements across Ethereum, Polygon, Solana, and Base. A single API integration future-proofs your app, eliminating the need to rebuild for each new chain.
10+
Supported Chains
1 API
Unified Integration
04
Scalable for Millions of Users
Infrastructure designed to handle viral growth. We've processed over 50 million verifications for top-tier clients, ensuring performance doesn't degrade during peak engagement.
50M+
Verifications
10k TPS
Peak Capacity
06
Cost-Optimized for High Volume
Predictable, volume-based pricing that scales with you. Our aggregated batching and gas optimization reduce your on-chain verification costs by up to 60%.
60%
Cost Reduction
Predictable
Pricing Model
Infrastructure Decision Matrix
Build In-House vs. Use Chainscore's Multi-Chain Gateway
A detailed comparison of the resource investment, risk, and time required to develop a custom multi-chain verification system versus leveraging our production-ready gateway.
| Key Factor | Build In-House | Chainscore Gateway |
|---|---|---|
Time to Production | 6-9 months | 4-6 weeks |
Initial Development Cost | $250K - $500K+ | $25K - $75K |
Annual Maintenance Cost | $100K - $200K (2-3 FTE) | $15K - $50K (SLA) |
Security & Audit Burden | High (Your responsibility) | Low (Pre-audited, insured) |
Supported Chains (Initial) | 1-2 chains | 10+ chains (EVM & non-EVM) |
Uptime & Reliability SLA | You build & maintain | 99.9% Guaranteed |
Team Expertise Required | Senior Solidity, DevOps, Security | Integration Engineer |
Upgrade & Scalability Path | Complex, costly refactors | Handled by Chainscore |
Time to Add New Chain | 2-3 months per chain | 2-4 weeks per chain |
Total Cost of Ownership (3 yrs) | $550K - $1.1M+ | $70K - $225K |
how-we-deliver
PREDICTABLE, PROVEN PATHWAY
Our Delivery Process: From Integration to Scale
A structured, milestone-driven approach to deploying your Multi-Chain Achievement Verification Gateway, ensuring security, speed, and seamless scaling.
01
Architecture & Integration Design
We map your existing user data flows and design a custom gateway architecture. This includes defining the optimal on-chain/off-chain data schema and selecting the most efficient target chains (EVM, Solana, etc.) for your use case.
1-2 weeks
Design Phase
3+ chains
Architected For
02
Smart Contract Development & Audit
Our engineers build the core verification logic and minting contracts using audited libraries like OpenZeppelin. Every contract undergoes a comprehensive internal security review before deployment.
100%
OpenZeppelin Base
Internal Audit
Security Step
03
Gateway API & Dashboard Deployment
We deploy the production-ready verification API and admin dashboard. You gain full control to issue, manage, and verify achievements across all integrated chains from a single interface.
< 1 week
Deployment Time
99.9% SLA
API Uptime
04
Load Testing & Optimization
We simulate high-volume minting and verification events to stress-test the system, optimizing gas costs and API response times to ensure performance under real-world load.
< 2 sec
P95 API Response
30%+
Avg. Gas Savings
05
Production Launch & Monitoring
We manage the mainnet deployment across all specified chains and establish 24/7 monitoring with alerts for transaction failures, API errors, and chain reorganizations.
Zero-Downtime
Launch
24/7
Health Monitoring
06
Ongoing Support & Scaling
Receive dedicated technical support and strategic guidance for adding new chains (Aptos, Sui, etc.), achievement types, or scaling to millions of users without service interruption.
< 48h
Support Response
Unlimited
Scalable Users
security-compliance
AUDITED & SECURE
Custom Smart Contract Development
Enterprise-grade smart contracts built for security, scalability, and compliance.
We architect and deploy production-ready smart contracts for tokens, DeFi protocols, and NFT ecosystems. Our development process integrates security from day one, utilizing OpenZeppelin libraries and following EIP standards for interoperability.
- Security-First Development: Every contract undergoes formal verification and multi-stage audits before deployment.
- Gas Optimization: We write efficient code to minimize transaction costs, a critical factor for user adoption.
- Full Lifecycle Support: From initial design and
Soliditydevelopment to deployment, monitoring, and upgrade management.
Deliver a secure, audited, and scalable smart contract foundation in as little as 4 weeks.
Multi-Chain Gateway
Frequently Asked Questions
Get specific answers on timelines, security, and integration for our achievement verification infrastructure.
Our gateway is a unified API layer that validates and issues on-chain attestations for user achievements (like completing a tutorial or winning a contest) across multiple blockchains. It abstracts away chain-specific complexity, allowing your application to reward users with verifiable credentials on Ethereum, Polygon, Solana, and other supported networks through a single integration point.
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