⚡ VelocityPay | Next-Gen Crypto Payment Gateway

The ultimate bridge between high-speed Avalanche blockchain and real-world merchant requirements.

VelocityPay is a premium, AI-powered crypto payment gateway designed for sub-second finality and zero-friction checkout experiences. Built on the Avalanche C-Chain, it leverages Core Wallet deep-linking and Google’s Gemini AI to provide a state-of-the-art payment solution for modern merchants and savvy crypto users.

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🚀 Key Features

💎 Precision & Speed

• Sub-Second Finality: Powered by the Avalanche Consensus, transactions settle almost instantly with fees consistently under $0.02.
• One-Tap Checkout: Elimination of extension friction via mobile-optimized ethereum: deep-linking for Core Wallet.
• Dynamic QR Generation: Intelligent QR codes that encode exact transaction parameters (address, chain ID, and value).

🤖 Intelligent Insights

• Powered by Gemini: Every payment link is accompanied by real-time, AI-generated insights about the selected asset (AVAX or BTC).
• Live USDC Estimates: Real-time price oracle integration with CoinGecko via custom Genkit flows to provide merchants with accurate dollar valuations.

🎨 Premium Experience

• Glassmorphism UI: A stunning, responsive interface featuring interactive backdrop-blurs, radial cursor gradients, and sleek transitions.
• Real-Time Monitoring: Sophisticated ethers.js event listeners that provide instant visual feedback the moment a transaction is broadcast to the network.

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🛠 Technology Stack

Layer	Technologies
Frontend	Next.js 15, Tailwind CSS
Blockchain	Ethers.js v5, Avalanche C-Chain
AI/ML	Firebase Genkit, Google Gemini
UI Components	Shadcn UI, Radix UI
State/Forms	Zod, React Hook Form

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📂 Project Architecture

VelocityPay follows a robust, modular architecture designed for scalability and speed:

graph TD
    A[User Interface] --> B[React Hook Form + Zod]
    B --> C[Genkit Action Flows]
    C --> D[Gemini AI Engine]
    C --> E[CoinGecko Price API]
    A --> F[Ethers.js Listener]
    F --> G[Avalanche C-Chain]
    G --> H[Payment Confirmation]

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🔌 Getting Started

Prerequisites

• Node.js (v18+)
• Local .env file with GEMINI_API_KEY
• A Core Wallet or Meta-Mask account

Installation

1. Clone & Enter:

   git clone https://github.com/varshini-botla/velocity-pay.git
   cd velocity-pay

2. Install Dependencies:

   npm install

3. Configure Environment:

   GEMINI_API_KEY=your_key_here

4. Launch Development:

   npm run dev

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🛰 Roadmap

• Multi-Token Support: Support for any ERC-20 on Avalanche.
• Merchant Dashboard: View transaction history and aggregate revenue analytics.
• Automatic Swaps: Direct integration with Trader Joe for automatic conversion to USDC.
• Email Receipts: Automated PDF receipt generation post-confirmation.

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👤 Author

Varshini Botla
Full Stack Developer & Blockchain Enthusiast

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Tip

Pro Tip: Use the Core Wallet on mobile for the most seamless "One-Tap" experience. VelocityPay detects your device and automatically formats links for the best native experience.