We architect and deploy audited, gas-optimized smart contracts that form the secure backbone of your protocol. Our development process ensures zero critical vulnerabilities and predictable execution costs.
LABS
Services
Decentralized Identity-Verified Off-Ramp
Integrate a compliant crypto-to-fiat off-ramp powered by user-controlled decentralized identity (DID). Enable reusable KYC/AML verification with Verifiable Credentials to reduce drop-off and operational overhead.
Chainscore © 2026
overview
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by Web3 experts to power your decentralized applications.
- Full-Stack Expertise: From
ERC-20tokens andERC-721NFTs to complex DeFi primitives, staking mechanisms, and DAO governance systems. - Security-First Development: Built with
Solidity 0.8+, leveraging OpenZeppelin libraries and following industry-standard security patterns. - End-to-End Delivery: We handle development, testing (
Hardhat/Foundry), deployment, and verification, delivering a production-ready MVP in as little as 2 weeks.
We don't just write code; we deliver the immutable, trust-minimized logic that defines your product's value and security for users.
key-features-cards
ARCHITECTURE & SECURITY
Core Technical Capabilities
Our identity-verified off-ramp is engineered for enterprise-grade security, compliance, and performance. We provide the foundational infrastructure to convert crypto to fiat with zero trust assumptions.
02
Multi-Chain Settlement Engine
Process withdrawals from Ethereum, Polygon, Arbitrum, and other EVM chains through a unified API. Our engine handles gas optimization, nonce management, and transaction batching for maximum efficiency.
12+
Supported Chains
< 5 sec
Tx Submission
03
Banking & Liquidity Integration
Direct connections to licensed payment processors and liquidity providers for EUR, USD, and GBP settlements. We manage the complex fiat rail integrations, including SEPA, SWIFT, and local payment schemes.
30+
Fiat Currencies
24/7
Settlement Windows
05
Real-Time Risk & Fraud Engine
Proprietary system analyzing on-chain behavior, transaction patterns, and identity signals to flag high-risk activity in real-time, protecting your platform from illicit finance.
< 100ms
Risk Scoring
0.01%
Fraud Rate
benefits
TANGIBLE RESULTS
Business Outcomes You Can Measure
Our decentralized identity-verified off-ramp delivers concrete, measurable improvements to your compliance, user experience, and operational efficiency.
01
Reduced Compliance Overhead
Automated KYC/AML verification using decentralized identity (DIDs, Verifiable Credentials) cuts manual review time by over 80%. Integrate with global sanctions lists and risk engines in real-time.
> 80%
Manual Review Reduction
Real-time
Sanctions Screening
02
Faster User Onboarding
Enable one-click off-ramps for verified users. Reusable identity credentials eliminate repetitive KYC, reducing the conversion funnel from minutes to seconds.
< 30 sec
Average Onboarding
90%+
User Drop-off Reduction
03
Lower Transaction Costs
Eliminate per-verification fees from traditional KYC providers. Our decentralized model reduces operational costs by leveraging reusable, user-owned identity proofs.
60-80%
Cost Reduction
Pay-per-use
Pricing Model
04
Enhanced Security & Audit Trail
Every verification and transaction is immutably logged on-chain, providing a tamper-proof audit trail for regulators. Built with Zero-Knowledge Proofs for privacy.
Immutable
Audit Trail
ZK-Proofs
Privacy Tech
05
Global Regulatory Coverage
Pre-configured rule sets for key jurisdictions (FATF Travel Rule, MiCA, etc.). Our compliance engine adapts to regional requirements, enabling faster market expansion.
50+
Jurisdictions Supported
Dynamic
Rule Updates
06
Increased Transaction Success Rates
Pre-verified users experience fewer failed transactions and fraud flags. Our system reduces false positives and ensures smoother fiat settlements.
99.5%
Settlement Success
< 0.1%
Fraud Rate
Build vs. Buy Analysis
DID Off-Ramp vs. Traditional Integration
A direct comparison of the cost, time, and risk involved in developing a compliant off-ramp solution in-house versus using Chainscore's pre-built, DID-verified infrastructure.
| Key Factor | Build In-House | Chainscore DID Off-Ramp |
|---|---|---|
Time to Production | 6-12 months | 2-4 weeks |
Initial Development Cost | $250K - $500K+ | $25K - $75K |
Compliance & KYC Integration | Manual vendor sourcing & integration | Pre-integrated with 30+ global KYC providers |
Fraud & AML Risk | High (custom, unaudited logic) | Low (battle-tested, audited rules engine) |
Supported Jurisdictions | Requires legal review per region | Pre-mapped for 50+ countries |
Ongoing Maintenance | Dedicated 2-3 engineer team | Fully managed service with 99.9% SLA |
Identity Verification Methods | Limited to integrated vendors | DID, biometrics, document, social, and on-chain proof |
Total Cost of Ownership (Year 1) | $500K - $800K | $75K - $150K |
how-we-deliver
PROVEN FRAMEWORK
Our Delivery Methodology
We deliver production-ready, secure off-ramp solutions through a structured, transparent process designed for technical founders. Our methodology ensures predictable timelines, rigorous security, and seamless integration.
01
Architecture & Protocol Design
We architect your off-ramp using battle-tested identity verification protocols (Verifiable Credentials, OIDC) and optimal blockchain selection (EVM, Solana, Starknet) for compliance and performance.
2-3 weeks
Design Phase
3+ Protocols
Architected
02
Smart Contract & Backend Development
Our engineers build secure, gas-optimized smart contracts (Solidity, Rust, Cairo) and resilient backend services for KYC/AML checks, transaction orchestration, and fraud detection.
4-6 weeks
Build Phase
100%
Code Coverage
03
Security Audit & Penetration Testing
Every component undergoes mandatory audits by our internal security team and optional third-party firms (like CertiK or OpenZeppelin), with a focus on identity data handling and fund security.
2 weeks
Audit Cycle
Critical: 0
Guarantee
04
Staging Deployment & Integration Testing
We deploy to a staging environment identical to production. We conduct end-to-end integration tests with your frontend, payment processors, and compliance providers.
1-2 weeks
Testing Phase
99.9%
Test Pass Rate
05
Production Launch & Monitoring
We manage the production deployment, configure real-time monitoring (transaction success rates, latency, error alerts), and provide 24/7 on-call support for the first 30 days.
< 48 hours
Go-Live
24/7
Launch Support
06
Documentation & Knowledge Transfer
We deliver comprehensive technical documentation, admin guides, and conduct handover sessions with your engineering team to ensure full ownership and operational independence.
Complete
API & SDK Docs
2 sessions
Handover
security-compliance
CORE SERVICE
Smart Contract Development
Secure, production-ready smart contracts built by expert Solidity engineers.
We architect and deploy custom smart contracts for DeFi, NFTs, and enterprise applications. Our senior engineers write audit-ready Solidity code following OpenZeppelin standards and security best practices, ensuring your core logic is robust and future-proof.
Deliver a secure, gas-optimized foundation for your Web3 product in 2-4 weeks.
- Full Lifecycle Development: From specification and
ERC-20/721/1155implementation to upgradeable proxy patterns and mainnet deployment. - Security-First: Rigorous internal review, formal verification tools, and preparation for third-party audits from firms like CertiK or Quantstamp.
- Integration Ready: Contracts are built with clear interfaces for seamless connection to your frontend, oracles, and other protocol layers.
Decentralized Identity-Verified Off-Ramp
Frequently Asked Questions
Get clear answers on how we deliver secure, compliant off-ramp solutions for Web3 applications.
A Decentralized Identity-Verified Off-Ramp is a secure bridge that allows users to convert crypto assets into fiat currency while complying with global KYC/AML regulations. You need one to enable real-world utility for your token, increase user retention, and ensure regulatory compliance without sacrificing user privacy. Our solution integrates decentralized identity (DID) protocols like Verifiable Credentials to verify users without centralized data storage, enabling compliant fiat withdrawals directly from your dApp.
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