We architect and deploy custom smart contracts that form the backbone of your Web3 product. Our development process ensures security-first design, gas optimization, and full audit readiness from day one.
LABS
Services
EVM Institutional Custody Interface Development
Build secure, compliant custody interfaces for managing tokenized assets on Ethereum and EVM chains. We deliver regulatory-grade multi-signature workflows and key management for banks and financial institutions.
Chainscore © 2026
overview
CORE SERVICES
Smart Contract Development
Secure, production-ready smart contracts built to your exact specifications.
We deliver battle-tested code that executes as intended, every time, with zero vulnerabilities.
- Custom Logic:
ERC-20,ERC-721,ERC-1155, and bespoke token standards. - DeFi Protocols: Automated Market Makers (AMMs), lending/borrowing pools, staking mechanisms.
- Security Audits: Internal reviews using Slither and MythX, plus preparation for third-party audits.
- Full Lifecycle: Development, testing (
Hardhat/Foundry), deployment, and ongoing maintenance.
key-features-cards
ENTERPRISE-GRADE SECURITY & COMPLIANCE
Core Features of Our Custody Interface
Our institutional custody interface is engineered for financial institutions, providing the robust security, regulatory compliance, and operational control required for managing digital assets at scale.
01
Multi-Signature & Policy Engine
Granular transaction approval workflows with configurable M-of-N quorums. Define policies for withdrawal limits, whitelisted addresses, and time-locks to enforce strict internal governance.
M-of-N
Quorum Config
Role-Based
Access Control
02
Institutional-Grade Key Management
Secure MPC (Multi-Party Computation) or HSM (Hardware Security Module) integration for private key generation, storage, and signing. Eliminates single points of failure and meets SOC 2 Type II standards.
MPC/HSM
Key Security
SOC 2
Compliance
03
Real-Time Audit Trail & Reporting
Immutable, granular logs of all custody actions, balance changes, and policy events. Automated reporting for internal audits, regulatory compliance (e.g., Travel Rule), and financial reconciliation.
Immutable
Audit Logs
Automated
Compliance Reports
04
Multi-Chain & Asset Support
Native support for Ethereum, Polygon, Arbitrum, and other EVM chains. Custody for ERC-20 tokens, ERC-721/1155 NFTs, and native ETH, with a unified dashboard for consolidated asset visibility.
EVM+
Chain Support
ERC-20/721
Asset Types
05
DeFi & Staking Integration
Secure, policy-controlled interfaces to integrate with leading DeFi protocols (Aave, Compound) and validator staking services. Earn yield on custodial assets without compromising security.
Policy-Controlled
DeFi Access
Non-Custodial
Staking
06
Developer-First API
RESTful APIs and webhook systems for programmatic balance checks, transaction initiation, and event monitoring. Seamlessly integrate custody operations into your existing treasury or trading platforms.
REST API
Integration
Webhooks
Real-Time Events
benefits
ENTERPRISE-READY INFRASTRUCTURE
Business Outcomes for Your Institution
Our EVM Institutional Custody Interface Development delivers more than just code. We build secure, scalable, and compliant infrastructure that directly impacts your bottom line and operational efficiency.
01
Accelerated Time-to-Market
Deploy a production-ready, multi-signature custody interface in under 4 weeks, not months. Our battle-tested templates and modular architecture eliminate the need for foundational R&D, allowing you to launch new products faster than your competitors.
< 4 weeks
Deployment Time
100+
Pre-built Modules
02
Institutional-Grade Security & Compliance
Mitigate risk with a custody solution built on OpenZeppelin standards and designed for SOC 2 Type II readiness. We implement role-based access controls (RBAC), comprehensive audit trails, and hardware security module (HSM) integrations to meet stringent regulatory and internal security policies.
SOC 2 Ready
Compliance Framework
24/7
Security Monitoring
03
Operational Efficiency at Scale
Reduce manual overhead by 90%+ with automated transaction queuing, approval workflows, and multi-party signing orchestration. Our interfaces integrate seamlessly with your existing treasury management and accounting systems, streamlining operations for thousands of daily transactions.
90%+
Reduced Manual Work
10,000+
TPS Capacity
04
Future-Proof Multi-Chain Strategy
Avoid vendor lock-in and technical debt. We architect your custody interface to be chain-agnostic, with native support for Ethereum, Polygon, Arbitrum, and Base. Easily add new EVM chains without costly re-engineering, protecting your long-term infrastructure investment.
15+
Supported EVM Chains
< 1 week
New Chain Integration
Structured Implementation Roadmap
Phased Development & Deliverables
A transparent, milestone-driven approach to building your secure EVM institutional custody interface, ensuring predictable delivery and clear ROI at every stage.
| Phase & Deliverables | Foundation (4-6 Weeks) | Integration (3-4 Weeks) | Scale & Secure (2-3 Weeks) |
|---|---|---|---|
Multi-Sig Wallet Core | |||
Role-Based Access Control (RBAC) | Basic (3 roles) | Advanced (unlimited roles, policies) | Advanced + Custom Workflows |
Transaction Policy Engine | Basic whitelists | Complex rules (time, amount, asset) | Dynamic, API-driven policies |
Chain & Asset Support | Ethereum Mainnet + 1 L2 |
| All Major EVMs + Custom RPC |
Audit & Security | Internal Review + Basic Testing | Formal Audit by 3rd Party Firm | Remediation + Continuous Monitoring Setup |
Deployment & Go-Live | Testnet Deployment | Mainnet Deployment Support | Production Handoff & Documentation |
Post-Launch Support | 30-Day Warranty | 6-Month Support SLA (Business Hours) | 12-Month Enterprise SLA (24/7) |
Estimated Investment | $40K - $60K | $25K - $35K | $15K - $25K |
security
SERVICE
Custom Smart Contract Development
Secure, production-ready smart contracts built by experts for your specific use case.
We architect and deploy custom smart contracts that form the secure, automated backbone of your Web3 application. Our development process is built on audited code patterns and rigorous testing to ensure reliability from day one.
We deliver contracts you can trust, not just deploy.
Our development stack includes:
- Solidity 0.8+ with
OpenZeppelinlibraries for security. - Hardhat/Foundry for comprehensive testing and deployment automation.
- Gas optimization to minimize user transaction costs.
- Support for ERC-20, ERC-721, ERC-1155 and custom token standards.
- Integration with oracles and cross-chain protocols for real-world data and interoperability.
Typical deliverables:
- Audit-ready source code with full documentation.
- Deployment scripts and verification on Etherscan.
- Technical whitepaper explaining contract logic and security considerations.
- Post-launch monitoring and upgrade path planning.
tech-stack
SECURE BY DESIGN
Technology & Protocol Foundation
Our EVM Institutional Custody Interface is built on a battle-tested foundation of open-source standards and enterprise-grade security practices, ensuring regulatory compliance and operational resilience from day one.
02
Multi-Chain EVM Compatibility
Build once, deploy everywhere. Our interfaces are architected for Ethereum, Polygon, Arbitrum, and Base using standardized tooling (Ethers.js, Viem) and chain-agnostic design patterns for consistent custody logic across networks.
4+
Networks
EIP-155
Compliant
04
Regulatory Compliance Framework
Engineer for Travel Rule (FATF-16), AML, and KYC compliance. Our modular design integrates with verification providers and generates immutable proof-of-compliance records on-chain for auditors.
FATF-16
Compliant
Modular
Architecture
06
Real-Time Monitoring & Alerting
Gain full visibility with custom dashboards tracking balance changes, transaction success rates, and security events. We integrate with PagerDuty, Datadog, and Sentry for 24/7 operational oversight.
< 60 sec
Alert Time
99.9% SLA
Monitoring
EVM Institutional Custody
Frequently Asked Questions
Get clear answers about our development process, security standards, and support for building your institutional-grade custody interface.
A complete, production-ready custody interface typically takes 6-10 weeks from kickoff to mainnet deployment. This includes a 2-week discovery and architecture phase, 4-6 weeks of core development and integration, and 2 weeks for security audits, testing, and final deployment. For clients requiring a rapid MVP, we offer a 4-week accelerated track for core functionality.
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