OKCoin is the largest Bitcoin exchange in China which processes 31 percent of trades within the Chinese Bitcoin exchange market. In February, OKCoin and Huobi, the two largest Bitcoin exchanges in China, were flagged by the People’s Bank of China for operating a trading platform without appropriate Know Your Customer (KYC) and Anti-Money Laundering (AML) systems.
On May 31, local Chinese Bitcoin and cryptocurrency news source cnLedger reported that OKCoin China resumed withdrawals for traders.