Here's the Tweet by the author of the article that kicked off the Twitter thread where this article was announced:

Make up your own mind, but I found what looks like potential wash trading on several BitForex markets

Taking $LTC as an example:

Green circles are buys, red crosses are sells

A crosshair means a buy and sell occurred seconds apart🚩

Here's how I spotted it + more examples🧵

https://i.postimg.cc/XYmVLqp9/image.jpg

https://twitter.com/ConorRyder/status/1623734660202209280 [Nitter]