OST is currently based on cryptocurrency Ethereum protocol and serves as the currency of the OST ecosystem. The token is represented on the number of exchange platforms paired with other cryptos.
Aelf, or ELF is an Ethereum token and a utility token for Aelf network. Aelf token’s ICO was conducted in 2017. Though the ICO campaign was not public, the token had a good level of acceptance on exchanges. As of now, it is being traded on major exchanges.