Two of the hires, Joe Zhou and Arion Ho, join OSL from the Hong Kong Stock Exchange.
The offering represents 13% of the company's issued share capital.
Cryptocurrency mining and manufacturing giant Bitmain lost about $500 million in the third quarter of 2018, CoinDesk has learned.
Mining giant Bitmain says CEO Jihan Wu still serves on its board, despite media reports to the contrary.
Canaan Creative's IPO may be in doubt as the bitcoin mining firm's filing with the Hong Kong Stock Exchange has now lapsed.
The Hong Kong Stock Exchange has teamed up with DLT startup Digital Asset to develop a blockchain platform for post-trade processing.
The Hong Kong Stock Exchange is looking to follow its Australian counterpart in developing a blockchain settlement system.
The Hong Kong Stock Exchange is comfortable watching and learning from the sidelines while other securities' exchanges adopt blockchain.
The Hong Kong Stock Exchange is looking to blockchain as it begins work on a next-generation transaction settlement system.