Earlier quoted context omitted.
More than a year after its smart contract introduction devs have still failed to create a single DEX (let alone something more complex) there despite trying. The one Algo were hyping about having a dex last October (idex i believe) have quietly removed mentions of Algo on their site after failing despite all the PR. This should tell you how good of a choice Algo is for anything. There's plenty other promising POS cha…
Solana would be a much better choice IMO. They already have Saber and Serum.
Yes, from those I follow Solana would also be my choice if I had to bet because they are already at/close to the point where they can have high tps, low fees, POS, and still be decentralized (more work on that end is needed but now they are nearing 1k validators). They also have built their chain in 2 years which is barely enough time to implement minor changes for competitors. Additionally, they just got the hype/huge investments so they have the users and attention, too.