If there is, it must be a pyramid scheme or a marketing activity similar to pyramid schemes.
Bitcoin is a * * * knowledge network, which has contributed to a brand-new payment system, a completely digital currency. It is the first decentralized peer-to-peer payment network, controlled by users, without central management or intermediary. From the user's point of view, Bitcoin is much like cash on the Internet. Bitcoin can also be regarded as the best three-way accounting system at present.