On September 8th, Coinbase's L2 blockchain, Base, announced that its ecosystem fund, Base Ecosystem Fund, has completed investments in six projects: Avantis, a synthetic derivative protocol based on an oracle; BSX, a decentralized limit order book; Onboard, an on-chain self-custody service (with a $1.9 million investment); OpenCover, an L2 insurance aggregator (with a $4 million seed round investment) in collaboration with underwriters such as Nexus Mutual; Paragraph, an on-chain creator platform; and Truflation, an on-chain financial oracle. Base stated that it will collaborate with these teams to promote the development of the Base ecosystem and bring more builders and users onto the chain.