"Mr.100", which buys an average of 100 BTC every day, has been marked as an Upbit cold wallet by Arkham
According to BlockBeats news, on March 13, according to Arkham platform information, the "Mr.100" address that had previously purchased an average of 100 BTC per day has been marked by Arkham as an Upbit cold wallet.
According to crypto analyst @defioasis, the regular behavior of 100 BTC is not a purchase, but may be a special means for Upbit to organize wallet assets.