What is success for nostr? In social network/blog space, success means going mainstream. I think two things need to happen
1. General relay focused blind fund is bankrolled by someone the likes of Jack. Any relay verifying it is running and NIPS compliant gets paid for operating costs from fund. This is because no regular people will be using LN to pay relay owners, and if enough people come, operating costs will be too high for free relays to make any sense
2. Familiar feeling client. I am highly technical and have been writing code more than 10 years, all clients I have used including Damus do not abstract underlying tech enough