Everything you wanted to know (and were not afraid to ask) about the onchain impact metrics developed for Optimism's fourth round of Retroactive Public Goods Funding
We're still at the stage of experimenting with lots of funding mechanisms. A missing piece is explicit commitments for how surplus funding flows to outer circles.
Optimism's latest RetroPGF 3 did a lot of things well, but it needs to get better at signaling where in the value chain builders should focus their energy.
A note I wrote in October 2022 shortly after starting work on hypercerts. I share it as an artifact to help other early stage protocol building protocols.