Paxr - Decentralized Event Ticketing Marketplace

Paxr is a decentralized event ticketing marketplace built on Arbitrum Orbit. It enables event organizers to create events and sell NFT-based tickets with built-in anti-scalping protection, resale controls, and group buy functionality.

Demo

Watch the demo video to see Paxr in action:

Features

• NFT Ticketing: All tickets are ERC-721 NFTs with verified ownership
• Anti-Scalping: Configurable resale price caps to prevent scalping
• Group Buy: Allow attendees to pool together for discounted tickets
• Cross-Chain Support: Multi-chain support (Arbitrum One, Arbitrum Sepolia, Ethereum, Polygon)
• Wallet Connection: Privy-based wallet integration with easy network switching
• Real-time Data: Direct smart contract integration for live event data

Tech Stack

• Frontend: React, TypeScript, Vite
• Styling: Tailwind CSS, shadcn/ui
• Web3: Wagmi, Privy
• Smart Contracts: Solidity (Arbitrum)
• Data: Alchemy RPC for contract reads

Architecture

┌─────────────────────────────────────────────────────────────┐
│                        Frontend                              │
│  ┌─────────┐  ┌──────────┐  ┌─────────┐  ┌─────────────┐  │
│  │ Navbar  │  │ Marketplace│  │EventDetail│ │ CreateEvent │  │
│  └────┬────┘  └─────┬────┘  └────┬────┘  └──────┬──────┘  │
│       │             │             │               │          │
│  ┌────┴─────────────┴─────────────┴───────────────┴────┐   │
│  │              Web3Provider (Wagmi + Privy)            │   │
│  └────────────────────────┬────────────────────────────┘   │
└───────────────────────────┼─────────────────────────────────┘
                            │
                    ┌───────┴───────┐
                    │  Alchemy RPC  │
                    │ (Arbitrum)    │
                    └───────┬───────┘
                            │
┌───────────────────────────┼─────────────────────────────────┐
│                    Smart Contracts                           │
│  ┌────────────┐  ┌──────────────┐  ┌───────────────────┐  │
│  │PaxrEvent   │  │ PaxrTicket   │  │ PaxrMarketplace  │  │
│  │(Event Mgmt)│  │ (NFT Tickets)│  │ (Resale/Trading)  │  │
│  └────────────┘  └──────────────┘  └───────────────────┘  │
│                                                               │
│                    Arbitrum Sepolia                          │
└───────────────────────────────────────────────────────────────┘

User Flows

Create Event Flow

Organizer → Connect Wallet → Fill Event Form → Upload Image (IPFS) 
→ Submit Transaction → Event Created on Blockchain → Appears in Marketplace

Buy Ticket Flow

User → Browse Marketplace → View Event Details → Connect Wallet 
→ Select Quantity → Mint NFT Ticket → Transaction Confirmed 
→ Ticket Appears in "My Tickets"

Resell Ticket Flow

Ticket Owner → My Tickets → Select Ticket → List for Sale 
→ Set Price → Marketplace Listing → Buyer Purchases 
→ Ticket Transferred → Seller Receives Payment

Smart Contracts

Contract	Address (Arbitrum Sepolia)	Purpose
PaxrEvent	0x3b8031f14005c38ECcAC22949d426F279A661690	Event creation & management
PaxrTicket	0x2EE6d7C062afB4673dcd2000eEe06bcEacBe5788	NFT ticket minting
PaxrMarketplace	0x8f77c2BD2132727327B27164cDec4ccaA2083f7C	Ticket resale & trading

Getting Started

Prerequisites

• Node.js 18+
• npm or yarn
• MetaMask or other Web3 wallet

Installation

# Install dependencies
npm install

# Start development server
npm run dev

Environment Variables

Create a .env file with the following:

VITE_PRIVY_APP_ID=your_privy_app_id
VITE_ARBITRUM_SEPOLIA_RPC=your_alchemy_rpc_url
VITE_PAXR_EVENT_ADDRESS=0x3b8031f14005c38ECcAC22949d426F279A661690
VITE_PAXR_TICKET_ADDRESS=0x2EE6d7C062afB4673dcd2000eEe06bcEacBe5788
VITE_PAXR_MARKETPLACE_ADDRESS=0x8f77c2BD2132727327B27164cDec4ccaA2083f7C

Build

npm run build

Pages

Route	Description
/	Homepage with featured events & CTA
/how-it-works	How it works guide page
/marketplace	Browse all events
/event/:id	Event details & ticket purchase
/create	Create new event (organizer)
/my-tickets	View owned NFT tickets
/communities	Fan communities (real event data)
/community/:id	Community details
/dashboard	Organizer dashboard & analytics

Completed Features

Core

• NFT Ticketing with ERC-721
• Anti-scalping resale caps
• Group buy functionality
• Multi-chain wallet connection (Privy)
• Real-time contract data (Alchemy)
• IPFS image uploads

Pages & UI

• Homepage with featured events (from contract)
• Create Event button with attractive rounded design
• How It Works guide page
• Marketplace with all events
• Event Detail page with live data
• My Tickets page
• Communities page (now uses real event data)
• Community Detail page
• Organizer Dashboard with analytics

Social & Privacy

• Anonymous RSVP
• Referral system
• Attendance proofs
• Fan communities

Analytics

• Dune Analytics integration
• Payment analytics

Remaining Tasks

Testing & Deployment

• Unit tests for smart contracts
• Integration tests for frontend
• Mainnet deployment
• Production optimization (code splitting)

Future Enhancements

• Fhenix encrypted attendee data
• LayerZero cross-chain bridging
• Mobile app

Roadmap

For a detailed timeline and feature breakdown, see ROADMAP.md.

Quick Overview

Quarter	Focus
Q1 2026	Mainnet Launch, Core Features
Q2 2026	Growth, Referral System, Mobile
Q3 2026	Privacy (Fhenix), Cross-Chain
Q4 2026	PAXR Token, DAO, Rewards
2027	Enterprise, White-Label, API
2028	Mobile Apps, Global Scale

Detailed Milestones

2026

• ✅ Foundation: Smart contracts deployed on Arbitrum Sepolia
• ✅ NFT Ticketing, Anti-Scalping, Group Buy
• ✅ Frontend MVP complete
• 🔄 Testing & Audits
• ⏳ Mainnet Launch

2027

• White-Label Platform
• Enterprise Contracts
• Public API

2028

• Native Mobile Apps
• Global Payments (50+ countries)
• Metaverse Integration

Success Metrics

Metric	2026	2027	2028
Events	500	5,000	50,000
Users	1,000	50,000	1M
Revenue	$50K	$2M	$20M

License

MIT

Connect With Us

• Twitter/X: @_Paxr
• Demo Video: Watch on YouTube