https://phys.org/news/2018-06-bitcoin-month-south-korean-exchange.html

Coinrail did not specify the value of the currency that was taken in the attack at the weekend but said it was working with authorities and other coin developers to track down the culprits.

The firm, which trades more than 50 cryptocurrencies, added that it had frozen all exposed coins—Fundus X, Aston, and Enper—and other units had been taken offline in a "cold wallet".