Sort:  

There is bugger all one can do about DDoS, really, without a huge investment in DDoS mitigation services (the "free tier" of CloudFlare probably won't cut it for an exchange...). Launching a DDoS attack is cheap for attackers, whereas mitigating or defending against them is hard.

how about decentralized exchanges? is it the future?

Coin Marketplace

STEEM 0.06
TRX 0.31
JST 0.063
BTC 69275.57
ETH 2114.50
USDT 1.00
SBD 0.46