According to Odaily, Optimism has announced the opening of its fourth round of retrospective public goods funding applications on the X platform. The company has dedicated 10 million OP for on-chain builders who deploy contracts and generate block space requirements on Superchain. The deadline for applications is set for June 7th, 03:00 Beijing time. This initiative is part of Optimism's ongoing efforts to support and encourage the development of blockchain technology and its applications.