Questions about ravencoin

Iam newbie in cryptocurrency.My ques will be stupid for someone.what is ravencoin.Is ravencoin unique compare to others?.what the real time use case for ravencoin.Iam following this sub from may onwards some people telling that rvn will hit 1$.how its possible to hit 1$ with in 6months.I didn't start research about any crypto.Any advice will be welcome( sry for poor English :))