The thing i didnt think can exist (or rather that it can exist right now) has come true on Ethereum.
Guys from dYdX made a contract thats already working and you can long and short ETH with it.
And no you wont find it on their official pae, just whitepaper there and more info on their goals https://dydx.exchange/
The site is here, needs Metamask ETH wallet. https://www.expotrading.com/trade
0 fees for now, later they will add more things(i assume ZRX will be next).
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