Huobi, the fourth largest cryptocurrency exchange by daily trade volume to date, experienced significant progress in its cryptocurrency mining business in 2019, says its mining revenue increased 547% in 2019, reaching $ 320 million. annually from $ 53 million in 2018. The two main triggers for Huobi Pool's growth in 2019 were proof of ownership mining and proof-of-work mining. Having represented 35.62% of total net revenue, the takeover test holding remains Huobi Pool's most profitable business segment to date. Huobi Pool also projected that PoS will continue to be a focus of attention in 2020.