According to CoinMeta, the Kava token ( KAVA ) has plummeted by nearly 48% due to the suspension of transfers on Upbit and Coinone. These two exchanges froze transactions about 50 minutes ago due to suspicions of security issues. The Kava blockchain stated that they are tracking "unusual behavior" of a certain DApp within their ecosystem. In the past 24 hours, the trading volume of Kava reached 31 million US dollars, which is approximately 72% of its total market value.