{"type":"rich","version":"1.0","title":"plor wrote","author_name":"plor (npub1v9…8vs7k)","author_url":"https://yabu.me/npub1v9ls4p224ndxvjdxmy9c5dsufnc355sd7q94w6au6uug3dqr68ks08vs7k","provider_name":"njump","provider_url":"https://yabu.me","html":"We have the tools with proof of work to mitigate the worst of spam. There is already a NIP to add PoW to notes, but that makes UX for normal use quite degraded. But what if we only had to do it occasionally? Let's say my profile contains a reference to a note on which I included PoW. Clients then could filter out users by which have shown a certain level of PoW, which if set high enough would make these spam attacks unfeasible."}