The most basic and #widely used is the constant product formula, which is being #popularized by Uniswap. In simple terms, the formula states: 

Statistics suggest that an #overwhelming majority of traders fail. While the 95% figure was #popularized by Tradeciety in relation to traditional assets, the same is true for cryptocurrency trading

Though #popularized by an app and fan token platform called Socios, the fan token model has now been #adopted by other blockchain companies.