# Tech-stack

### Verification Process

#### Check-in Flow

1. **Scan QR** - Contains mint address and event ID
2. **Request Signature** - User signs verification message
3. **Verify On-chain** - Check NFT ownership and validity
4. **Mark Attendance** - Record check-in on blockchain

#### Anti-Fraud Measures

* Live wallet signatures required 
* One-time use verification codes
* On-chain attendance tracking
* Transfer detection

### Metadata Structure

{ "event\_id": "event\_123", "event\_name": "Solana Conference 2024", "ticket\_tier": "General Admission", "event\_date": "2024-03-15", "venue": "Virtual Event" }

**File: `technical/tech-stack.md`**

````markdown
# Tech Stack

Technologies used in Mythra MVP.

## Blockchain Layer
- **Network:** Solana Devnet
- **Smart Contracts:** Anchor Framework (Rust)
- **NFT Standard:** Metaplex
- **Wallet Standard:** Solana Wallet Adapter

## Frontend Layer
- **Framework:** Next.js 14
- **Language:** TypeScript
- **Styling:** Tailwind CSS
- **State Management:** Zustand

## Development Tools
- **Local Development:** Solana Test Validator
- **Testing:** Jest + Anchor Tests
- **Package Manager:** pnpm
- **Version Control:** Git

## Infrastructure
- **Hosting:** Vercel
- **RPC:** Helius/QuickNode
- **Storage:** Arweave (for metadata)
- **Monitoring:** Solana Explorer

## Key Dependencies
```json
{
  "@civic/solana-gateway-react": "^0.2.6",
  "@metaplex-foundation/mpl-token-metadata": "^3.1.1",
  "@solana/spl-token": "^0.3.9",
  "@solana/wallet-adapter-react": "^0.15.32"
}
````


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