Spencer Stock enhanced Coinbase’s onchainkit and smart-wallet-docs repositories by delivering four targeted features over two months, focusing on developer experience and integration reliability. He updated the onchainkit SDK and exposed the keys URL, streamlining service integration workflows. In smart-wallet-docs, Spencer clarified spend permission structures and improved quick-start guides, removing deprecated references and updating testnet configuration details. His work, primarily using TypeScript, React, and Markdown, emphasized clear technical writing and disciplined documentation practices. These updates reduced onboarding friction and contract interaction errors, demonstrating a thoughtful approach to front-end development and documentation that addressed real integration and usability challenges for developers.