Bitcoin Project P&L: 0 (≃ 0 EUR)
Bitcoin is a consensus network that enables a new payment system and a completely digital money. It is the first decentralized peer-to-peer payment network that is powered by its users with no central authority or middlemen. From a user perspective, Bitcoin is pretty much like cash for the Internet. Bitcoin can also be seen as the most prominent triple entry bookkeeping system in existence.
Bitcoin is controlled by all Bitcoin users around the world, choosing to use the protocol by downloading the Bitcoin software.