$BTC
In the crypto market, the dominance of a currency is the reason for its market value relative to the cumulative market value of cryptocurrencies. It is a way to see how large the currency in question is in relation to the crypto market — the value of everything is in comparison. It is calculated by dividing the market value of the currency by the total market value of the top 125 currencies and then multiplying by 100. The result of these calculations and how it varies over time can be seen in the dominance chart.