Tethereum Token and decentralised exchange native to BNBChain. In other words, Tethereum Exchange shares some similarities with established platforms like UniSwap, Sushiswap or Pancakeswap in that users can swap their coins for other coins without the input of middleman services. The only difference is that Tethereum focuses on BEP20 tokens a specific token standard developed by Binance.
The BEP20 standard is essentially a checklist of functions which enable new tokens to perform in compatibility with the broader Binance ecosystem of dapps, wallets and other services.
Whenever someone wants to trade one token for another, they simply deposit the token they have in to the pool and withdraw the other token they wish to receive and perform a kind of an OTC SWAP GOVERNING TOKEN - T99 Gives holders power to govern the Tethereum project, help with it's development and marketing. To be specific, 1,999,999,999 T99 in your wallet gives you a 20% governance power and voting rights.