I like the idea but it looks to me like it's storing an nsec in local storage in the browser. What's the difference between this and using a web client? Am I missing something obvious? Is it just trusting one site vs many?

https://image.nostr.build/88c6a6624c8feb0d2d2080a6456375f2b16c11c14a5cd2cdb4d6da57ec4aaabf.jpg