"The founder of major Canadian crypto exchange QuadrigaCX, Gerald Cotten, may have stored the exchange’s private keys on paper in a safety deposit box, Bloomberg reported on Feb. 15."
From the affidavit: "Gerry was diagnosed with Crohn's disease at the age of 24. Gerry died in India on December 9, 2018, arising from complications from the Crohn's disease. Gerry was 30 years old at the time of his death, which was completely unexpected."