Poly Network, which handles the service of so-called virtual currency = crypto assets exchanged on the Internet, announced that crypto assets were illegally leaked after being attacked by a cyber attack from a hacker.

The outflow amount exceeds 60 billion yen and is said to be the largest ever illegal outflow of crypto assets.

Poly Network, which handles crypto asset services, announced on Twitter that crypto assets were illegally leaked after being attacked by a cyber attack by a hacker by the 11th.



Several media outlets in Europe and the United States have reported that the outflow amounted to about 600 million dollars, or about 66 billion yen in Japanese yen, which is the largest illegal outflow of crypto assets.



Poly-network is attracting users by providing a service of a platform that can exchange crypto assets called "decentralized finance".



He asked hackers to return the leaked crypto assets, and some of them were said to have been returned, but the specific damage to the users has not been clarified.



Regarding cryptographic assets, even in Japan, cryptographic assets worth 58 billion yen were leaked from the exchange company Coincheck in 2018, and it seems that further security will be required in response to this leak.