OpenLayer, a crypto AI startup co-founded by three former Robinhood employees, raised $5 million from investors including a16z Crypto Startup Accelerator (CSX), Geometry, IOSG Ventures, Spartan Group, LongHash Ventures, and undisclosed angel investors from crypto projects such as EigenLayer, AltLayer, Puffer Finance, and Sei Network. OpenLayer acts as an AI data layer, enabling users to contribute and validate data and gain insights through Chrome extensions.