Sort:  

When the sharks are in, they can manipulate the market. Many people will loose, because option are a zero number game. That might harm the reputation of honest decentralized operations.

Coin Marketplace

STEEM 0.21
TRX 0.25
JST 0.038
BTC 95634.12
ETH 3333.35
USDT 1.00
SBD 3.08