As a London-based fintech analyst with a side hustle as a crypto DJ, I’ve seen markets react in strange ways—but June 25 was different. When Hong Kong approved国泰君安国际 to trade virtual assets under strict SFC rules, it triggered a rare 'stock-and-coin' rally. HSK surged over 85% while the stock doubled. This wasn’t hype—it was institutional validation. In this deep dive, I unpack how compliance became the new growth engine for both legacy finance and regulated crypto platforms like HashKey Exchange. The real story? Regulation isn’t the enemy of innovation—it’s its runway.