In May 2019, 4836 Bitcoin were stolen from Binance and were washed through the Chipmixer service one month after the funds were stolen. This is due to the security failure of the exchange where there was a loss of 7000 BTC.
image source: https://www.tradingpeek.com/ncd-2399/Binance-Coin-is-nearing-a-new-milestone-in-2019
According to a report it was quite simple to track the attackers' steps since it is impossible to launder large amounts of coins in a short period of time, it was also possible to find the addresses of the hakcers, in addition to this, the extraction of stolen funds by These addresses allowed the alteration of the ownership of funds to be recognized through the use of a neural network.