#PriceTrendAnalysis On 7 May 2019, Binance revealed that it had been the victim of a "large scale security breach" in which hackers had stolen 7,000 bitcoin worth around $40 million at the time.[27] Binance CEO Changpeg Zhao said the hackers "used a variety of techniques, including phishing, viruses and other attacks" and structured their transaction "in a way that passed our existing security checks."[28] Binance halted further withdrawals and deposits but allowed trading to continue. The site pledged to reimburse customers through its "Secure Asset Fund for Users (SAF)".[29][30] Withdrawals resumed by 19 May.[31][better source needed]