STE and A2A are two tokens used by the STeX EXCHANGE.
STE = Dividends
A2A = Utility token comparable to Binance's BNB
STE Whitelist:
https://stex.exchange/stewhitelistA2A ICO: Scheduled to April, 5 2018 05:00 GMT
Thank you for your information. I thought they change the name

STeX Exchange is the first automatic liquidity aggregator with Any2Any revolutionary technology, supporting over 250,000 cross rates and over 100 coins on one platform. DEEX tokens will be traded for over 100 coins on STeX, like DEEX/BTC, DEEX/LTC, DEEX/ETH, DEEX/BTH, DEEX/XRP, DEEX/DASH and so on.