In order to decentralize it successfully, the entire stack would need to be reinvented using fully decentralized solutions.
I don’t think that’s true at all.
Ycash is better than Bitcoin and nostr
It’s an inconvenient truth which is why it’s been such a challenge. There’s not enough tweaking that can be done to make it more decentralized. Solutions would need to be designed wholly around the principles of user sovereignty.