The announcement about the Yahoo data breach is online, the company confirmed that hackers managed to access data from at least 500 million user accounts. The IT giant also added that its security experts suspect the involvement of nation-state actors. This summer the notorious hacker Peace advertised 200 Million Yahoo accounts on Dark Web, and the company was aware of the sale. The hacker was offering the data leak for 3 bitcoins (roughly $1,800 at the time of the disclosure) The hacker offered the data for 3 Bitcoins (rough around $1.800)”]
Source: https://securityaffairs.co/wordpress/51560/data-breach/yahoo-data-breach.html