The People's Bank of China will also make timely adjustments to policy tools and keep the yuan exchange rate basically stable to help exporters, Fan said.

Fan also said cryptocurrencies such as bitcoin and so-called "stablecoins" have become speculative tools that threaten financial and social stability. He vowed to make big efforts to promote PBOC's own digital currency, the e-CNY.

(Reporting by BEIJING NEWSROOM; Editing by Tom Hogue)