Tengji Zhang

Aggregators: Aggregating an individual's on-chain activities spread across multiple wallets and chains.

Illia (NEAR):  Anatoly's point is right that you can't  parallelize games or markets.  However, markets you might be able to  by splitting orders with a fully sharded  DEX

Algorithmic stable coin is not very reliable because the assumption about the underlying volatility assets could break once in a while. Consider Long-Term Capital Management.