Mobile-friendly cryptocurrency payments startup Celo has raised millions from A16z and Polychain in a private token sale. : Andreessen Horowitz’s cryptocurrency fund A16z Crypto and venture capital firm Polychain Capital have invested $25 million in cryptocurrency payments startup Celo. Celo announced Tuesday that the two investors have purchased $15 million and $10 million in the project’s Celo Gold tokens, respectively. The token-based funding effort also saw participation from “several other leading institutions” from across the world, Celo said, with the amounts not being disclosed.