Armed assailants tried to kidnap the daughter and grandson of a French cryptocurrency boss in Paris, police said, in a brazen daytime attack that was caught on camera.

A wave of kidnappings and extortion attempts targeting cryptocurrency figures and their families is escalating across France and other European nations. Organized criminal groups are employing a chilling tactic,

French Interior Minister Bruno Retailleau said he will meet with French crypto entrepreneurs to discuss how to protect them.