Sort:  

Yes, you can find this hierarchical structure in many industries. Mainstream media would be another good example!

That's why we need more blockchain systems, freedom to the market.

Coin Marketplace

STEEM 0.18
TRX 0.16
JST 0.030
BTC 65685.57
ETH 2613.86
USDT 1.00
SBD 2.71