BlaBlaCar is a French startup founded in 2006 that operates in 22 countries and has 25 million registered users. It functions as an online marketplace connecting drivers with empty seats to passengers looking for a ride, in order to make transportation more efficient, affordable, and sustainable. BlaBlaCar has seen rapid growth, facilitating over 10 million rides per quarter and achieving a $1.6 billion market value. Its success is attributed to building trust through transparency, protection mechanisms, and a collaborative framework. BlaBlaCar has now expanded globally using an acquisition strategy and tailoring its model to local cultures, with its next focus on emerging markets.