PubCrypto — Offerwall Platform

Project Overview

PubCrypto is a full-stack crypto performance marketing platform — a 3-sided marketplace connecting Advertisers (pay per verified action), Publishers (embed offerwalls to monetize their traffic), and End Users (complete tasks to earn USDT/BTC). The platform handles campaign lifecycle management, revenue-sharing logic, real-time anti-fraud verification, and crypto payouts. Built solo from scratch with Next.js 15, Node.js/Express, and MySQL.

Key Features

• Offerwall widget (iframe/API) — publishers embed to monetize crypto traffic
• 15+ campaign types across Offerwall, Direct Placement, and Standalone models
• 3-sided marketplace: Advertiser → Platform → Publisher + End User revenue flow
• Real-time conversion tracking with anti-fraud pipeline (pending → completed | rejected)
• Publisher dashboard: earnings, lead/revenue statistics, referrals, payout requests
• Advertiser dashboard: campaign creation, budget management, spend analytics
• Crypto payments: USDT, BTC, FaucetPay integration, minimum threshold withdrawals
• Google OAuth + JWT auth, 2FA, country detection by IP

Campaign Types

15 monetization models across 3 categories