Binance, the world's largest cryptocurrency exchange, estimated the damage caused by the latest security breach at about $6.3 billion and announced a temporary suspension of deposits and withdrawals. Preliminary research shows that the penetration probably started through the hacked laptop of one of the employees of the technical department of this company. Mehdi Sermifer, a science and technology journalist, explains the dimensions of this cyber attack, the possible role of the Lazarus group in North Korea and its implications for the cryptocurrency market.