We architect and deploy bespoke blockchain solutions from the ground up. Our full-cycle development covers everything from consensus design and node infrastructure to wallet integration and block explorers. Deliverables include private EVM/Substrate chains, cross-chain bridges, and custom L2 rollups.
LABS
Services
Cross-Chain Randomness API Gateway
A single, unified API endpoint to request cryptographically secure, verifiable randomness for any supported blockchain. We abstract the complexity so your team can build faster.
Chainscore © 2026
overview
FULL-STACK ENGINEERING
Custom Blockchain Development
Build secure, scalable blockchain networks and applications tailored to your business logic.
Go from concept to mainnet in weeks, not months, with our battle-tested development frameworks.
- Protocol Design: Custom
ERC-20,ERC-721, and novel token standards with embedded logic. - Infrastructure: High-availability validator sets, RPC endpoints, and indexers with 99.9% uptime SLA.
- Security First: All code undergoes formal verification and audits by
OpenZeppelinandCertiKpartners. - Proven Track Record: We've deployed 50+ production networks handling billions in transactional value.
key-features-cards
ENTERPRISE-GRADE INFRASTRUCTURE
Core Capabilities of Our Randomness Gateway
Our Cross-Chain Randomness API provides a secure, verifiable, and high-performance source of randomness for any blockchain application. We deliver the cryptographic guarantees and operational reliability that production systems require.
03
Sub-Second Response Times
Designed for real-time applications. Our optimized infrastructure delivers randomness with sub-second latency from request to on-chain fulfillment, enabling dynamic NFTs, gaming, and instant lotteries.
< 1 sec
Avg. Fulfillment Time
04
High-Availability Architecture
Built for 24/7 uptime with redundant oracles and automated failover. Our service is designed to meet the demanding availability requirements of global, high-traffic dApps.
99.9%
Uptime SLA
06
Audited & Secure by Design
Our core cryptographic implementation and oracle infrastructure undergo regular security audits. We follow industry best practices for key management and operational security.
benefits
DELIVERABLES
Business Outcomes You Can Expect
Our Cross-Chain Randomness API Gateway provides more than just a service; it delivers measurable business results. Here's what you can build and achieve.
03
Rapid Time-to-Market
Go from concept to production in weeks, not months. Our pre-audited, plug-and-play API abstracts away the complexity of managing oracles and cross-chain messaging.
< 2 weeks
Integration
1 API Key
All Chains
04
Predictable Infrastructure Costs
Eliminate the overhead of building and maintaining your own VRF infrastructure. Our transparent, usage-based pricing model converts capital expenditure into a predictable operational cost.
$0
Setup Fee
Pay-per-Call
Pricing
06
Future-Proof Multi-Chain Strategy
Deploy your randomized logic across Ethereum, Polygon, Arbitrum, and other leading L2s from a single integration. Avoid vendor lock-in and adapt to new chains as they emerge.
Seamless
Chain Migration
Auto-Scaled
Throughput
The Infrastructure Trade-Off
Build Your Own vs. Our Managed Randomness API
Compare the total cost, risk, and effort of developing and maintaining a secure cross-chain randomness solution in-house versus using our production-ready API gateway.
| Key Factor | Build In-House | Chainscore Managed API |
|---|---|---|
Time to Production | 6-12 months | 2-4 weeks |
Initial Development Cost | $150K - $400K+ | $0 (Pay-as-you-go API) |
Security Audit & Pen Testing | $50K - $100K (External) | Included (Pre-audited VRF) |
Ongoing DevOps & Maintenance | 1-2 Full-Time Engineers | Fully Managed (Our Team) |
Uptime & Reliability SLA | Your Responsibility | 99.9% Guaranteed |
Cross-Chain Support (EVM, Solana, etc.) | Custom Integration per Chain | Unified API for 15+ Chains |
Response Latency (P50) | Varies (Your Optimization) | < 2 Seconds Guaranteed |
Total Cost of Ownership (Year 1) | $300K - $600K+ | Starting at $25K |
Cryptographic Proof (On-Chain) | Custom Implementation | Automatically Generated & Verifiable |
how-we-deliver
PREDICTABLE DELIVERY
Our Delivery Process: From Integration to Production
We provide a structured, transparent process to integrate secure, verifiable randomness into your dApp, ensuring rapid deployment and production-grade reliability.
01
Discovery & Architecture
We analyze your use case—NFT minting, gaming, DeFi lotteries—and design a tailored integration architecture. We define requirements for request volume, latency, and on-chain verification to ensure optimal performance and cost.
1-2 days
Design Sprint
24 hrs
Proposal Delivery
02
Secure Integration
Our engineers implement the Chainscore Randomness API using your preferred chain (EVM, Solana, Cosmos). We provide SDKs, sample code, and handle smart contract integration for verifiable random function (VRF) requests and callbacks.
< 1 week
Integration Time
Multi-chain
Support
03
Testing & Security Review
We conduct rigorous integration testing, including load testing for high-throughput scenarios and a security review of the randomness request/fulfillment flow. We ensure cryptographic proof verification is correctly implemented on-chain.
100%
Test Coverage
Audited
Base Protocol
04
Staging Deployment
We deploy your integration to a staging environment matching mainnet conditions. We simulate real-world usage to validate latency (<2s average), reliability, and cost predictability before production cutover.
< 2s
Avg. Fulfillment
99.9%
Staging SLA
05
Production Go-Live
We manage the production deployment with zero-downtime cutover. We provide 24/7 monitoring dashboards, alerting for request failures, and dedicated support during the launch period to ensure a smooth rollout.
24/7
Launch Support
99.95%
Uptime SLA
06
Ongoing Optimization
Post-launch, we provide usage analytics and cost optimization recommendations. We offer scaling consultations for increased volume and proactive updates for new chain integrations or VRF protocol upgrades.
Proactive
Updates
Dedicated
Technical Account Manager
Cross-Chain Randomness API Gateway
Frequently Asked Questions
Get clear answers on integrating verifiable, on-chain randomness for your dApp. Questions are based on our work with 50+ projects securing over $500M in TVL.
Our gateway provides a single, unified API endpoint for on-chain verifiable randomness. You send a request, and we handle the complexity: generating a random seed via a decentralized network (like Chainlink VRF or drand), submitting it on-chain, and delivering the verifiable proof back to your smart contract. This abstracts away chain-specific implementations, gas management, and proof verification.
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