IIRC, the last time I've heard about them is when they have partnered with a pornsite. I think it was pornhub if I'm not mistaken. Well, most of the altcoins in the past that didn't able to cover with the ones that are trendy have fallen to the ranking.

It's #388 now as per coinmarketcap.

It's possible that it had became lowkey due to the regulations and pressure that has been placed upon to the privacy coins. We've seen the example for Monero.