More details:
https://gov.optimism.io/t/retropgf-3-application-feedback/6866
RetroPGF Details
Introduction to Retro PGF
RetroPGF is Optimism's groundbreaking system for fairly rewarding contributions to public goods, even long after they were created. Imagine society regularly looked back to survey all the projects and ideas that proved most useful, then rewarded the creators proportionally. RetroPGF makes this possible, so builders can fund their work by provably benefitting the world. The Optimism Collective has a fascinating bicameral governance system focused on public goods and they’re now preparing to launch the third round of RetroPGF, which as far as we are aware is the largest retroactive public goods funding mechanism in the world. They gave
Optimism is pioneering retroactive public goods funding with an initiative called RetroPGF, where hundreds of esteemed Optimism community members vote to allocate funding to people who create public goods. The third round of RetroPGF is starting in the coming weeks and as far as I’m aware it is the largest retroactive public goods funding in the world. The Optimism Collective is planning to distribute 30 million OP in this round of RetroPGF, which is currently about 250x more funding than the next season of Pomelo.
You can learn more about RetroPGF in this introductory article, blog post announcing round 3, and video playlist (also covers Retroactive Public Goods Funding).