ChainCatcher message, according to on-chain detective ZachXBT, the $330 million Bitcoin transfer event that caused the price of Monero (XMR) to surge by 50% on April 28 has been confirmed as a social engineering theft case targeting an elderly person in the United States. The attacker used social engineering techniques to gain access to the victim's wallet and transferred 3,520 BTC (worth $330.7 million).

Previously, on April 28, a suspicious transfer occurred at a certain address, amounting to 3,520 Bitcoins (approximately $330.7 million). Subsequently, these funds began to be laundered through more than six instant trading platforms and were exchanged for Monero (XMR), causing the price of XMR to soar by 50%.