Crypto Gloss

CoinMarketCap

CoinMarketCap (CMC) is the internet’s most visited cryptocurrency price tracking and data platform. Founded in May 2013 by Brandon Chez and launched from a bedroom project into the dominant crypto data resource, CoinMarketCap provides real-time price data, market capitalizations, trading volumes, historical data, and exchange rankings for over 20,000 cryptocurrencies. The site’s “market cap rankings” — which list cryptocurrencies from largest to smallest by market capitalization — became the de facto standard for how the industry orders and compares digital assets. In March 2020, Binance acquired CoinMarketCap for a reported $400 million.

| — | — |

| Founded | May 2013 |

| Founder | Brandon Chez |

| Acquired by | Binance, March 2020 |

| Reported acquisition price | ~$400 million |

| Cryptocurrencies tracked | 20,000+ |

| Monthly visitors | ~200+ million (peak) |

What CoinMarketCap Tracks

For each cryptocurrency:

  • Current price (aggregated from multiple exchanges)
  • Market capitalization (price × circulating supply)
  • Fully diluted valuation (FDV) — price × total max supply
  • 24h trading volume
  • Circulating supply / total supply / max supply
  • 24h price change
  • 7d and 30d historical price charts
  • All-time high and all-time low
  • Exchange listings
  • Official links and social media

For exchanges:

  • Reported 24h trading volume
  • Number of listed pairs
  • Traffic scores
  • Liquidity scores (adjusted volume)

The Market Cap Standard

CoinMarketCap’s market cap rankings shaped how the industry thinks about cryptocurrency size and importance. “Top 10,” “Top 100,” and “Top 1000” became shorthand for tiers of significance. Being listed on CMC became a milestone for new projects — and being delisted is often a death signal.

Market cap = Price × Circulating Supply

This metric is imperfect:

  • Circulating supply can be manipulated (projects “lock” tokens to appear scarcer)
  • Price can be manipulated on low-liquidity exchanges
  • Volume can be wash-traded

Controversies and Criticism

Wash trading: CMC historically listed exchange volumes without verification, allowing exchanges to artificially inflate reported volumes through wash trading. Many top-ranked exchanges had inflated volumes by 90–95%. CMC introduced a “Liquidity” metric in 2019 as an adjusted alternative.

Binance acquisition conflict of interest: After Binance acquired CMC in 2020, concerns emerged about whether Binance’s exchange ranking and data could be presented impartially. CMC maintained editorial independence claims but the conflict of interest was widely acknowledged.

Project listings: Projects have historically been able to pay for expedited review or premium placement — creating questions about listing standards and pay-for-play dynamics.

ICO bubble amplifier (2017): CMC’s easy access to market cap data for thousands of small, illiquid tokens contributed to the ICO bubble by making speculative micro-cap tokens appear equally legitimate as top projects.

CoinGecko: The Main Alternative

CoinGecko (founded 2014, Singapore) is CoinMarketCap’s primary competitor. Key differences:

  • Independent (not exchange-owned)
  • Adds “trust score” for exchanges
  • More granular DeFi and on-chain data integration
  • Strong API offering, both free and paid tiers
  • Generally considered more neutral due to non-exchange ownership

Many analysts prefer CoinGecko specifically because it isn’t owned by Binance.

The CMC API

CoinMarketCap offers a tiered API:

  • Free tier: Up to 10,000 API calls/month, limited endpoints
  • Paid tiers: Higher call limits, historical data, portfolio tracking, WebSocket feeds

The API is used by thousands of apps, wallets, portfolio trackers, and research tools.

Related Terms

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