ANYBODY KNOWS STRATIS?

Hi, I'm a newbie here.
Accidentally, I encountered STRATIS. I want to listen to your opinion about STRATIS.

To introduce a brief of STRATIS, here is a quote from the official website.

Stratis is dedicated to sharing the knowledge of blockchain and nurturing a global C# and .Net developer community. The Stratis Academy will train the next generation of blockchain developers around the world to prepare them for in-demand blockchain projects in different industries. By providing course materials, worked examples, technical infrastructure, and hands-on projects, we hope to build a community committed empowered with knowledge of the Stratis blockchain.

More technically, I referred here: https://academy.stratisplatform.com/FullNode/full-node-components-and-features-overview.html?highlight=stake

I think its significant features are providing C# programming, Proof-of-Stake mechanism, Smart contract, and Sidechain.

Except for three things, it inherited Bitcoin's features as it is a hard porked chain of Bitcoin.

The concept of smart contract in STRATIS looks similar with Ethereum.

About side chain, its Academy course provides quite specific information. You can refer below image.

However, I can not find specific information about its PoS mechanism. What I only find is below quote.

The Stratis proof-of-stake algorithm is designed to mine a block every 64 seconds. Broadly speaking, it works by having a target, which can be hit by running a mathematical algorithm; if the target is hit by a miner, the miner can mine the block. The Stratis proof-of-stake algorithm is designed so that it takes about 64 seconds for one miner to hit the target. The more STRAT the miner has staked, the more likely they are to be the miner who hits the target. For example, if a miner is in possession of 40% of the STRAT currently being staked, they have a 40% chance of being able to mine a block during each block cycle. Because the algorithm is dependent on the STRAT that a miner is staking, the wallet is contacted to check the miner’s staking power. UTXOs are retrieved from the wallet and checked that they are valid for staking.

It makes me think it does not have any clear theory or research on its own PoS mechanism. Anybody knows about it? If it's really nothing, STRATIS does not have own attraction to users anymore...