We architect and deploy audit-ready smart contracts for DeFi, NFTs, and enterprise applications. Our development process includes formal verification and integration with industry-standard security tools like Slither and MythX.
LABS
Services
Multi-Chain Aggregator Off-Ramp Protocol
We build custom off-ramp protocols that aggregate liquidity across multiple blockchains and fiat providers, guaranteeing your users the best possible cash-out rates and a seamless withdrawal experience.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts.
Deliver a secure, gas-optimized MVP in as little as 2-4 weeks, with full documentation and deployment scripts.
- Protocols & Standards:
ERC-20,ERC-721,ERC-1155,ERC-4626, and custom logic. - Security First: Multi-signature deployment, OpenZeppelin libraries, and pre-audit code review.
- Full Lifecycle: Development, testing, deployment, and upgrade management via
TransparentProxyorUUPSpatterns.
key-features-cards
ENGINEERED FOR ENTERPRISE
Core Protocol Capabilities We Deliver
Our multi-chain off-ramp protocol is built on a foundation of audited, production-ready infrastructure. We deliver the technical components you need to launch, scale, and secure your fiat conversion service.
benefits
TANGIBLE RESULTS
Business Outcomes for Your Platform
Integrating our Multi-Chain Aggregator Off-Ramp Protocol delivers measurable improvements to your platform's core metrics and user experience. Here’s what you can expect.
01
Increase User Conversion
Offer users the best fiat conversion rates from 15+ DEX aggregators and 100+ liquidity sources in a single transaction. Reduce user drop-off by eliminating manual rate shopping.
15-40%
Higher Conversion
100+
Liquidity Sources
02
Reduce Operational Overhead
Eliminate the need to build and maintain direct integrations with multiple on/off-ramp providers, DEXs, and cross-chain bridges. We handle the infrastructure complexity.
80%
Dev Time Saved
1 API
Unified Integration
03
Guarantee Transaction Reliability
Our protocol features automated failover routing and real-time slippage protection. Transactions are monitored end-to-end with guaranteed settlement or automatic reversion.
99.9%
Success Rate SLA
< 60 sec
Avg. Settlement
04
Expand Market Reach
Instantly support off-ramps to fiat for users across 8+ major EVM and non-EVM chains (Ethereum, Polygon, Arbitrum, Solana, etc.) without per-chain development.
8+
Chains Supported
0
Custom Code Needed
06
Accelerate Time-to-Market
Go from zero to a production-ready, multi-chain off-ramp in weeks, not months. Our SDKs and comprehensive documentation enable rapid integration for your engineering team.
< 3 weeks
To Production
Full SDK
For Devs
Structured Path to Full Protocol Deployment
Phased Development & Integration Tiers
A modular approach to building and integrating a secure, production-ready multi-chain off-ramp. Choose the tier that matches your launch timeline and operational needs.
| Feature / Deliverable | Phase 1: Foundation | Phase 2: Integration | Phase 3: Scale & Optimize |
|---|---|---|---|
Core Protocol Smart Contracts | |||
Multi-Chain Bridge Integration (2 Chains) | EVM + 1 Other | EVM + 3 Others | EVM + 5+ Others |
Fiat Gateway API Connectors | 1 Major Provider | 3 Major Providers | 5+ Providers (Custom) |
Security Audit & Remediation | Initial Audit | Post-Integration Audit | Continuous Monitoring & Re-audits |
Gas Optimization & Fee Abstraction | Basic | Advanced (Multi-Token) | Dynamic & Custom Logic |
Compliance & Risk Engine | Basic AML Checks | Enhanced KYT/Transaction Monitoring | Custom Rule Engine & Reporting |
Deployment & DevOps Support | Testnet & Mainnet Launch | Multi-Region Deployment | Full Managed Infrastructure |
Technical Support SLA | Business Hours | 24/7 with 12h Response | 24/7 with 1h Critical Response |
Estimated Timeline | 6-8 Weeks | 4-6 Weeks | Ongoing |
Typical Investment | $50K - $80K | $30K - $50K | Custom (Retainer) |
how-we-deliver
PREDICTABLE, SECURE, AND SCALABLE
Our Development & Integration Process
A structured, four-phase approach to deliver a production-ready multi-chain off-ramp. We focus on security, speed to market, and seamless integration with your existing stack.
01
Discovery & Architecture Design
We analyze your target chains, liquidity requirements, and compliance needs to design a secure, gas-efficient protocol architecture. Deliverables include a technical specification and integration roadmap.
1-2 weeks
Specification Delivery
3+ Chains
Architected For
02
Smart Contract Development & Auditing
Development of core aggregator logic, bridge connectors, and settlement contracts in Solidity 0.8+. Includes mandatory security review by a third-party auditor before deployment.
100%
Audit Mandatory
OpenZeppelin
Security Patterns
03
Backend Integration & API Development
Build the off-chain relayer, price aggregation engine, and a comprehensive REST/WebSocket API for your frontend. Includes webhook support for transaction status updates.
< 100ms
Price API Latency
99.9% SLA
Relayer Uptime
04
Deployment & Go-Live Support
We handle the multi-chain deployment, configure monitoring with Datadog/Grafana, and provide 24/7 incident response for the first 30 days post-launch to ensure a smooth rollout.
2 weeks
Typical Deployment
24/7
Launch Support
Technical & Commercial Details
Multi-Chain Off-Ramp Protocol: FAQs
Get clear answers on timelines, security, and integration for our enterprise-grade off-ramp solution.
A standard multi-chain off-ramp integration takes 2-4 weeks from kickoff to production deployment. This includes smart contract deployment, frontend SDK integration, and a full security review. Complex requirements like custom compliance rules or novel token support can extend this timeline, which we scope and quote upfront.
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