Cryptocurrencies are the future. Here's why: Cryptocurrencies are immune to inflation, meaning that your investment will retain its value over time. Bitcoin and Ethereum are two of the most popular cryptocurrencies and they're only going to continue to grow in value. XRP is a cryptocurrency that was created by Ripple, a company that is focused on bringing banking solutions to the global market. XRP has already surpassed Bitcoin and Ethereum in terms of total market cap.