Check out XSPEC at https://spectreproject.io. My most promising small cap coin. Great privacy tech with PoS v3 and even better is coming: stealth staking! As I can see it, the new development team is pushing hard to get the project rolling again after the most recent fork that provides them stable project funding too. But don't believe me, do a bit of research, check out the white paper and read the recent news about Spectrecoin yourself. Start with this for example: https://www.coindesk.com/stealth-staking-privacy-coin-plan-mask-proof-of-stake/.