Africa's blockchain and crypto space is receiving a much-needed venture boost during a tough time for startups, some of which have retreated from specific markets or completely shut down due to issues like harsh regulatory environment, macros or downright mismanagement. The boost involves Yellow Card, the U.S.-founded crypto platform launched in Nigeria in 2019, which has since become the continent’s most-funded cryptocurrency exchange. The company confirmed to TechCrunch that it has raised $33