In 2019, the MGM Resort based in Las Vegas has caused data breach which caused explosions of 142 million hotel guests. The stolen data has put on the sale by the hacker for roughly $2,900. The information from ZDNet, states that 142,479,937 MGM hotel guests data is on the sale on the dark web marketplace. The one who wants to buy the data has to make payment in Bitcoin (BTC) and Monero (XMR).