The African cryptocurrency trading platform Yellow Card has completed a $33 million Series C funding round, led by Blockchain Capital, with participation from Polychain Capital, Third Prime Ventures, Castle Island Ventures, Block, Inc., Galaxy Ventures, Blockchain Coinvestors, Hutt Capital, and Winklevoss Capital. This funding round brings Yellow Card's total equity funding to $85 million. The funds will be used for growth and expansion, particularly by enhancing Yellow Card's API and widget products. Additionally, Yellow Card is developing innovative new products for the African continent, strengthening its team and systems.