It's been an issue for
years, probably since before most of us even jumped on the rollercoaster. And there's not really anything that can be done about it until decentralised exchanges or cross-chain transactions become commonplace. If literally anyone can open a centralised exchange, they can also manipulate their figures by utilising trade bots, moving funds between hot wallets to look like legitimate traffic and probably other methods as well. For the exchanges that allow zero-fee trading, that encourages fake volume too, since people can abuse that to manipulate prices and target a desired figure via High Frequency Trading. It's not easy to audit, but at the same time we don't want to drown the whole thing in regulation and red tape just to make it easier to audit.
As a community, we just need to place less emphasis on these stats and figures that are likely completely meaningless.
