The CoinDesk 20 filters from the larger universe of thousands of cryptocurrencies and digital assets to define a core group of 20. These assets constitute roughly 99% of the market by volume at eight of the largest and most trustworthy exchanges. Our research-driven methodology selects and ranks the top 20 assets based on verifiable dollar volume and exchange listings. The goal is to move beyond one-dimensional rankings to identify digital assets that matter most to the market. Our research team reviews and revises the list quarterly.