Web3Blockchain Development10 Week Engagement

Token Launch with Audited Smart Contracts and a Production Ready dApp

A Web3 team needed a secure token and staking system with a user friendly dApp. We implemented smart contracts, built the frontend, and supported audit remediation until deployment readiness, focusing on access control, upgrade strategy, and monitoring.

Confidential engagement. NDA available upon request.

0

Critical Audit Issues

3

Contracts Deployed

99.9%

Uptime Target

10

Weeks to Mainnet

01. Client Overview

About the Client

Industry

Web3

Company Size

12 to 25 contributors

Background

A product team building a token based ecosystem with staking incentives. The main requirement was audit quality smart contracts and a stable user experience for launch.

02. The Problem

Security and Delivery Challenges

Audit readiness requirements

Contracts needed to be written with clear invariants, test coverage, and easy auditability from day one.

Access control and upgrade strategy

The system required a clear admin model, timelocks, and a safe upgrade approach.

Frontend reliability

Users needed clear transaction feedback and safe handling of pending states.

Monitoring and incident readiness

Launch needed dashboards and alerts for abnormal behavior and contract events.

03. Objective

The Mission

Deliver audited contracts and a production ready dApp with secure access control, strong testing, and launch monitoring.

04. Approach and Methodology

How We Approached It

01. Protocol and contract design

Week 1 to 2
  • Token and staking flow specification
  • Threat modeling for admin and user paths
  • Test plan definition and invariants
  • Deployment plan and key management approach

02. Implementation and testing

Week 3 to 7
  • Solidity contract implementation and unit tests
  • Frontend dApp build with wallet flows
  • Gas optimization and failure mode testing
  • Pre audit internal review

03. Audit support and launch

Week 8 to 10
  • Audit remediation and retest support
  • Mainnet deployment with multi sig controls
  • Monitoring dashboards and alerts
  • Post launch verification
05. Key Findings

Vulnerabilities Discovered

0

CRITICAL

2

HIGH

2

MEDIUM

1

LOW

Severity
Vulnerability
HIGH

Privilege scope too broad for admin role

Initial admin permissions created unnecessary blast radius without timelock controls.

HIGH

Potential reentrancy risk in reward claim flow

A claim path required stricter checks and safer call ordering to prevent exploit scenarios.

MEDIUM

Missing event coverage for key actions

Some state changes needed events for monitoring and analytics.

MEDIUM

Frontend pending state handling

Users needed clearer feedback for transaction confirmation and failure states.

LOW

Documentation gaps

Deployment runbooks and upgrade instructions required expansion for operational clarity.

06. Solution Implemented

How We Fixed It

Access control hardening

Introduced role separation, timelocks, and multi sig approvals for sensitive actions.

Contract safety improvements

Applied safer call ordering, guard patterns, and additional invariants and tests.

Launch readiness

Added monitoring events, dashboards, and post deployment verification steps.

07. Results and Impact

Measurable Outcomes

The team launched with audited contracts and a stable dApp experience, supported by monitoring and clear operational controls.

0

Critical Audit Issues

10

Weeks to Mainnet

3

Contracts Deployed

100%

Key Actions Monitored

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