Suji Yan, the founder of the Mask Network, suffered the loss of more than $4 million in various cryptocurrency assets to an apparent wallet hack. According to Yan, the theft happened on his birthday while he was at a party. “[E]ither the private key was leaked same day as my birthday and hacker manual[ly transferred assets] out or it might be an offline attack. I was in a private gathering with dozen friends and my phone was away for some minutes when I using the restroom etc.”

Total loss estimated at $4,000,000.