We architect and deploy audit-ready smart contracts on EVM-compatible chains like Ethereum, Polygon, and Arbitrum. Our development process is built on OpenZeppelin standards and rigorous internal review to mitigate risk from day one.
Spending Limit & Policy Engine Development
Smart Contract Development
Secure, production-ready smart contracts built by experts for your Web3 application.
Deliver a secure, functional foundation in weeks, not months.
- Custom Logic: Tailored
Solidity 0.8+contracts for DeFi, NFTs, DAOs, and enterprise use cases. - Security-First: Proactive vulnerability analysis and integration with tools like Slither and MythX.
- Full Lifecycle: From initial spec and development through to deployment, verification, and ongoing upgrade management.
We provide clear technical documentation and a comprehensive audit report for your team and stakeholders. Partner with us to build with confidence and accelerate your time-to-market.
Core Engine Capabilities We Implement
We architect and deploy robust, audited policy engines that give your users granular control and your platform enterprise-grade security.
Multi-Signature Policy Frameworks
Implement Gnosis Safe-compatible multi-sig logic with custom approval workflows, quorum rules, and role-based permissions for treasury and operational wallets.
Granular Spending Limits & Rules
Define transaction limits by amount, time (daily/weekly), recipient, and token type. Enforce rules like whitelists, blacklists, and contract interaction guards.
Time-Based & Recurring Allowances
Automate recurring payments and subscriptions. Set expiring allowances for payroll, grants, or vendor payments that reset on a defined schedule.
Audit-Ready Event Logging
Every policy decision is immutably logged on-chain with rich context. Generate compliance reports and audit trails for internal and regulatory review.
Gas-Optimized Execution Engine
Our smart contracts use Solidity best practices and assembly optimizations to minimize policy enforcement overhead, keeping user transaction costs low.
Business Outcomes: Beyond Basic Security
Our Spending Limit & Policy Engine delivers more than just security features; it provides measurable operational and financial advantages for your treasury and DAO.
Governance-Led Risk Reduction
Implement multi-signature approval workflows and time-locks that enforce governance decisions, reducing unauthorized spending risk by design.
Operational Efficiency at Scale
Automate recurring payments and pre-approved budget allowances for teams, eliminating manual transaction overhead for routine operations.
Real-Time Treasury Visibility
Gain a unified dashboard view of all spending against budgets, with alerts for policy violations and near-limit thresholds across all connected wallets.
Audit-Ready Compliance
Generate immutable, on-chain logs of all policy changes and authorization events, creating a permanent record for internal audits and regulatory requirements.
Structured Development Packages
Compare our tiered service packages for building a secure, production-ready spending limit and policy engine.
| Feature | Starter | Professional | Enterprise |
|---|---|---|---|
Custom Policy Logic Development | |||
Smart Contract Audit & Security Review | Basic Review | Full Audit Report | Full Audit + Formal Verification |
Multi-Chain Deployment Support | Ethereum Mainnet | EVM L1/L2s (3 chains) | All EVM & Non-EVM Chains |
Integration Support (SDK/API) | Basic Documentation | Dedicated Integration Engineer | Custom SDK Development |
Time to Production | 6-8 weeks | 4-6 weeks | 2-4 weeks |
Post-Deployment Monitoring | 30 days | 90 days | 12 months SLA |
Incident Response SLA | 24h Business Hours | 4h 24/7 | |
Ongoing Maintenance & Upgrades | Optional Retainer | Included with SLA | |
Typical Project Scope | Single policy type, one chain | Multi-rule engine, 2-3 chains | Full treasury management suite |
Starting Price | $25,000 | $75,000 | Custom Quote |
Our Development & Security Process
A battle-tested, multi-layered process designed for financial-grade security and rapid deployment of your spending limit & policy engine.
Architecture & Specification
We begin with a collaborative deep-dive to define precise policy logic, user roles, and integration points. Deliverables include a comprehensive technical specification and system architecture diagram.
Smart Contract Development
Implementation in Solidity 0.8+ using OpenZeppelin libraries. We focus on modular, upgradeable design for multi-chain policy logic, gas optimization, and comprehensive unit/integration testing.
Frontend & API Integration
Development of a secure admin dashboard for policy management and a robust REST/GraphQL API for seamless integration with your existing wallets, dApps, or backend systems.
Staging Deployment & Testing
Full deployment to a testnet/staging environment. We conduct end-to-end testing, load testing under simulated transaction volumes, and a final security penetration test.
Production Launch & Monitoring
Managed mainnet deployment with automated monitoring, alerting for policy violations, and 24/7 incident response. We provide detailed documentation and operational runbooks.
Frequently Asked Questions
Get clear answers on our development process, security, and timelines for implementing custom spending controls.
A standard spending limit and policy engine deployment takes 2-4 weeks from kickoff to mainnet launch. This includes requirements analysis, smart contract development, integration with your existing wallet/dApp, and security review. Complex multi-chain deployments or advanced rule logic can extend this to 6-8 weeks.
Get In Touch
today.
Our experts will offer a free quote and a 30min call to discuss your project.