The Crypto Portfolio Tracker is a web-based application that allows cryptocurrency investors to monitor, manage, and analyze their holdings across multiple wallets and exchanges in one centralized dashboard. It helps users track real-time values, profits/losses, and market trends without logging into different platforms individually.

Key Features

1. Multi-Currency Support – Tracks Bitcoin, Ethereum, and hundreds of altcoins.

2. Real-Time Price Updates – Uses cryptocurrency APIs to fetch live market prices.

3. Portfolio Overview – Shows total balance, daily changes, and percentage gain/loss.

4. Transaction Logging – Allows adding buy/sell trades with date, price, and quantity.

5. Profit/Loss Calculation – Automatically calculates ROI and current value per coin.

6. Exchange & Wallet Integration – Option to connect via APIs to Binance, Coinbase, etc.

7. Price Alerts – Notifies users when a coin reaches a set price threshold.

8. Charts & Graphs – Visualizes portfolio growth, coin dominance, and price trends.

9. Historical Data – Tracks past portfolio performance over time.

10. Secure Login – Protects user data with encryption and authentication.

Technology Stack

• Frontend: HTML, CSS, Bootstrap, JavaScript (with chart libraries like Chart.js or D3.js).

• Backend: PHP / Java / Node.js (handles portfolio calculations and API integration).

• Database: MySQL / MongoDB (stores user data, transactions, and portfolio history).

• APIs: CoinGecko, CoinMarketCap, or exchange-specific APIs for price data.

Workflow

1. User Signs In → Creates an account and logs in securely.

2. Add Holdings → Manually enter or connect exchange/wallet accounts.

3. Fetch Prices → System retrieves live cryptocurrency prices from APIs.

4. Calculate Portfolio Value → Updates in real time with profit/loss analysis.

5. Show Insights → Graphs, market news, and alerts to help decision-making.