İf you ask me the best altcoin under 10 million dollar market cap is Stakenet ( XSN ). They are collaboration with LTC Foundation. They have a very succesfully and experienced team ( X9 Developers ).
https://litecoin-foundation.org/litecoin-focused-on-connecting-the-world/$XSN check their updated WP and the advancements they have made on #LightningNetwork also their interchain mesh tech to integrate #ETH, #EOS and anything else like #BNB chain all into one huge network and so much
more :
https://stakenet.io/Stakenet_Whitepaper.pdf ✅ - Cold Staking via TPoS They are not known for not giving millions of dollars to garbage exchanges and fraudulent phenomena. XSN is a hidden gem. Get in before the train escapes. Future is here..
✅ - Over 2000 Masternodes
✅ - Cross-Chain PoS
✅ - Lightning Network
✅ - WatchTowers
✅ - Multicurrency Lightning Wallet
✅ - A true DEX
✅ - Privacy features
✅ - DApps and Smart Contract platform
And much more⚡️👍