Aspen aims to offer digital asset management to institutional and sophisticated investors.
The Hong Kong-based crypto lender says new CFO Edmond Lau will oversee $500 million in assets under management.
Customs authorities say the alleged money laundering syndicate charged criminal clients a commission of 3% to 5%.
Two of the hires, Joe Zhou and Arion Ho, join OSL from the Hong Kong Stock Exchange.
Funding will go towards IT and non IT-related expenses, including staff costs, marketing expenses and expansion into other markets.
Hong Kong's central bank is aiming to "future-proof" the financial center for the growth of CBDCs as part of its "Fintech 2025" strategy.
The government plans to introduce licensing for virtual asset service providers.
The four funds will buy bitcoin, ether and equity in crypto or mining firms.
Binance may need a license to market security tokens to the Hong Kong public.
The launch of live trading comes after the exchange was granted Securities and Futures Commission licenses last August.