Bitcoin is the opposite of a pyramid scheme from the point of view of Bitcoin miners. The Bitcoin protocol is designed like a cannibalistic arms race. Every additional miner prompts the protocol to increase the difficulty of mining. From a social point of view, Bitcoin is a pure market. The price of Bitcoins fluctuates based on market supply, demand, and perceived value.
Former US bank chief Wells Fargo Dick Kovacevich spoke of a bitcoin virtual currency. In fact, Kovacevich believes that bitcoin is a pyramid scheme like a ponzi scheme.
Kovacevich himself claimed not to see bitcoin as a financial crime. "There is no crime-related thing that happens.This is just a pyramid scheme, you bet that someone will buy it and some people right