XRP is a type of cryptocurrency designed to help banks move money more quickly, and cheaply than existing methods. It is largely spearheaded by Ripple.
Considered by some to be a currency without a state, the price of Bitcoin (BTC) has rapidly ascended and descended. What determines the current Bitcoin price?
Tokenomics is the study of how cryptocurrencies work within the broader ecosystem. This includes such things like token distribution as well as how they can be used to incentivize positive behaviour in the network.
Primarily, the Index is used to reveal the opportunity in the market. Traders can buy Bitcoin when fearful investors sell at a low price and later sell for a much higher price when the Index denotes greed, or high demand.