CoinMarketCap is the world's leading cryptocurrency market data platform that aggregates real-time price, volume, and market capitalization data from hundreds of exchanges worldwide. It ranks cryptocurrencies by market cap and provides comprehensive market analysis tools for traders and investors.

Yes, the basic CoinMarketCap app is free to download and use. It provides access to essential market data, price tracking, and portfolio management features. Premium features and API access may require paid subscriptions for advanced users and institutional clients.

Bitcoin coinmarketcap data is highly accurate as it aggregates information from multiple exchanges and uses weighted averages to calculate prices. The platform updates data every few minutes and employs verification mechanisms to ensure data integrity.

Yes, the coinmarketcap api offers various tiers including commercial licenses for businesses and developers. Different subscription levels provide access to different data sets and update frequencies depending on your specific needs.

Coin market cap rankings are determined by multiplying a cryptocurrency's current price by its circulating supply. This calculation provides the total market capitalization, which is used to rank cryptocurrencies from highest to lowest market cap.

CoinMarketCap distinguishes itself through comprehensive data coverage, reliable API services, user-friendly interfaces, and additional features like educational content and community tools. It has the longest track record and largest database in the cryptocurrency data space.

The coinmarket cap platform and app offer portfolio tracking features where you can manually enter your holdings or connect exchange accounts to automatically track your investments, including profit/loss calculations and performance analytics.

Yes, CoinMarketCap provides near real-time data with updates occurring every few minutes. The exact update frequency may vary depending on your subscription level and the specific data feeds you're accessing through the platform or API.