Guys. Cardano is in a league of its own; there is no other project in the space that even comes close to what Cardano will achieve; NOT EVEN CLOSE. ETH is and always will be a bunch of coders in a room hacking stuff together, and because of that, there are going to be huge flaws and vulnerabilities in the code that are going to continually pop up... think DAO.
It's inevitable because of how complex smart contracts are; no human being is capable of perfectly coding anything, especially something as complex as smart contracts. Charles and Cardano understand this, so they used the waterfall, high-assurance, development model to build the Cardano SL mainnet, the foundational layer of the Cardano project. This alone, sets Cardano apart from all other projects, but they went even further; Cardano has academically vetted and conference approved research papers that underly all of its code; no other project that i know of has done this.
Furthermore, Cardano is using a functional programming language (Haskell) and psi-calculus to bring together the fundamental concepts of the research papers, directly and PROVABLY, into the code; this is the first time I have ever heard of a large commercial project doing this.
Seriously, it's not even a competition; it's only a matter of time before Cardano overtakes Ethereum... bitcoin will always be bitcoin (digital gold), but Cardano is the future of blockchain technology. Hands down.
So much this