Polyglot Applications

We had centralized applications. We introduced with distributed applications. Now, we have decentralized applications. Will it replace the whole system?I remember the emerge of NoSQL databases when I think about the future of data stores like IPFS which are designed as a P2P data store. One was claiming that NoSQL databases will replace SQL databases and another opposite of it. However, we have polyglot data stores now [1].Decentralized