RetroPGF
Just yesterday, Vitalik Buterin and the layer2 solution OptimismPBC officially launched a new generation of crowdfunding model called RetroPGF (Retroactive Public Goods Funding). Currently, there is no simple and understandable image to explain it in the community, so I created one. If you're interested, you can read this article: . Here's the caption for the image: https://gyazo.com/8030a1821cf8397ef3b40fc642b06e13