Pillar, a platform that helps commodity-driven businesses (like those in metals, food, and airline companies) manage financial risk, announced Tuesday a $20 million seed round led by Andreessen Horowitz.  Others in the seed round include Crucible Capital, Gallery Ventures, and Uber CEO Dara Khosrowshahi. The company has raised $23 million to date. Pillar, founded in 2023, automates hedging processes for such businesses. Hedging is when a company places a trade that can offset or cancel out