There are two main participants in the futures markets: hedgers are seeking to manage their price risk for commodities, and speculators want to profit off of price fluctuations for commodities. (investopedia.com)
Wright's assertions were backed by two main participants in the Bitcoin community: Gavin Andresen, the one to whom Nakamoto originally entrusted the Bitcoin source code, and Jon Matonis, an early Bitcoin writer at Forbes. (bitcoinist.com)
Nev Power, former boss of world No. 4 iron ore miner Fortescue Metals Group, had criticised the speculative trade on Dalian, saying producers and users should be the main participants. (cnbc.com)