Expo offers traders to practice shorting Ethereum with a mechanism of Margin Trading. An open source platform powered by dYdX protocol has launched the trustless method of creating short and leveraged positions for Ethereum.
Expo functions as a “Short Ethereum” token, which is pegged to a short position on Ethereum. The Short Ethereum token is powered by the dYdX protocol, which, in turn, is built upon the 0x and Ethereum projects.
Liquidity is infused in the Expo system by dYdX lending partners, who can earn interest by securing collateral into smart contracts that could also provide backing for ETH loans. The collateral is automatically sourced from decentralized exchanges. The Expo platform is planning to launch some other margin trading tokens including leveraged tokens
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