The QuadrigaCX Mystery: $190 Million Lost as Founder Dies with the Only Passwords:
In 2019, Canada’s largest crypto exchange, QuadrigaCX, collapsed after its founder, Gerald Cotten, allegedly died in India, taking the only passwords to $190 million worth of cryptocurrency with him. It later emerged that the exchange had been mismanaging funds for years, leaving thousands of users without access to their money. The strange circumstances of Cotten's death raised doubts, making this one of crypto’s most mysterious and controversial failures.