Inverstors must know the real trade volumes. But there are so many frauds and fake invormation connected with cryptocurrency industry.
Exchanges very often public fake traders volumes to attract more traders to the platform. Traders will not work with the platforms with small trading volumes.
There are so many exchanges and a big competition among exchanges. That is why to attract traders to the platform exchanges use the fake information about trading volumes.
The choice of exchanges to conduct IEO is very important. It is necessary that exchange would have a lot of users and a good liquidity.