France, Jan. 21 -- The collapse of the FTX cryptocurrency exchange has had repercussions around the globe, with more thana million clients losing money overnight. In France, some 50,000 to 60,000 people were affected. As they look for legal solutions to get their money back, will the victims continue to invest in cryptocurrency?

Like hundreds of thousands of FTX customers around the world, Hassan, who lives in France, experienced a shock in early November.

"I'm crying," he tweeted on 8 November, after FTX founder and CEO Sam Bankman-Fried tried to reassure everyone that the company based in the United States and the Bahamas was fine.

The next day, as the exchange started shutting down, Hassan wrote: "In one day I lost everything I had in...