Can someone explain me what is EXD? what are its functions?
The EXD coin is a reward that can be received mainly based on the level of contribution for the advertisement, and it has a high liquidity just like the EXA coin.
Can it be bought or sold?
Yes, EXD can be bought or sold at the stock market. And since EXD coin can be exchanged for the advertisement value, it has characteristic of downward inelasticity which stays at KRW 100.