While many experts in the financial world caution about the potential bubble in cryptocurrencies, new digital currencies continually materialize. Despite the erratic nature of bitcoin—having soared to nearly $20,000 per coin last December, only to settle at just below $7,000 by March 31, 2018—fresh currencies consistently emerge. Not all will thrive, yet some might become significant players in the world of digital finance. In 2018, several lesser-known cryptocurrencies are worth monitoring.