Has anyone taken a look at DERO? The anonymous team led by the so-called "Captain" has created in 3 years of development without ico, hype or marketing, a new type of blockchain based on homomorphic encryption that is about to go on testnet.
All is already available on github to review.
Apart from that, I think the idea of ​​running smart contracts on a totally anonymous blockchain, with a DAG structure that allows thousands of transactions per block is very interesting. It's like monero + eth + nano, pretty cool for a 9M marketcap coin