Yes, mainly taproot and schnorr for identity and signing, login, authetnication, encryption, payments etc. Keep relays, and add personal storage. I have some outlines in solid lite, and nosdav which will be the nostr oriented version, but more work is needed:

Solid Lite - Decentralized Web Protocol

A minimal, composable protocol for the decentralized web. Implement a working server in 10 minutes.

and

Nosdav

Cloud storage for Nostr