Open-source software is essential for Ethereum's decentralized infrastructure, supporting digital asset registries and DeFi smart contracts. Numerous development teams are dedicated to maintaining this software, and financial support is provided through Gitcoin Funding, bug bounty programs, and hackathons. The Chainlink Community Grant Program also aids developers and researchers in enhancing the Chainlink Network. Chainlink is participating in Gitcoin Grants Round 9 as a matching partner, using quadratic funding to fairly distribute resources to community-supported Ethereum projects, thereby reinforcing Ethereum's role as a public good. This approach ensures projects with broad community backing receive more funding, bolstering infrastructure for decentralized applications. The expansion of smart contract use cases beyond DeFi, including NFTs, insurance, and gaming, highlights Ethereum's transformative potential in coordinating economic and social activities through decentralized applications. Chainlink continues to support Ethereum's infrastructure through technical innovations and financial contributions to platforms like Gitcoin, aiming to empower developers to create secure and decentralized systems globally.