Shares of Korea’s cryptocurrency exchange operators have hit their lowest levels of the year, with weak trading activity hurting earnings and uncertainty surrounding next year’s crypto tax further dampening sentiment, according to industry officials, Tuesday. The industry is calling for a tax deferral and clearer rules, but the government is maintaining its plan to begin taxation next year. According to Naver Pay’s unlisted stock trading platform, shares of Dunamu, the operator of the country’s largest crypto exchange, Upbit, traded at 241,000 won ($181) Tuesday. The stock edged up from its yearly low of 236,000 won last Friday but remained well below the 370,000 won recorded when its share swap with Naver Financial was announced last November. Shares of Bithumb, the country’s second-largest exchange operator, are now trading in the 140,000 won range, down from about 350,000 won last November. They have remained weak since an erroneous bitcoin payout in February sent them tumbling to around 220,000 won. The declines come as subdued cryptocurrency trading continues to strain both