Marc Andreessen and Reid Hoffman are among the list of billionaire backers rallying behind AI-powered mining prospect KoBold, with the brand now valued at nearly $3 billion.

KoBold Metals, the AI-driven mining startup backed by Bill Gates and Jeff Bezos, has secured $537 million in its Series C funding round. The latest funding round gives the Berkeley-based company a valuation of $2.

A mining and artificial intelligence start-up backed by Bill Gates and Jeff Bezos has raised $537mn in its latest funding round, as it seeks to become a key player in the race for the critical minerals needed for the energy transition.