Quadriga “Loses” Keys to Stored Digital Assets Quadriga, Canada’s largest cryptocurrency exchange, is unable to gain access to about $145 million (USD) of bitcoin and other digital assets following the sudden death of Gerald Cotten, its co-founder and CEO, in December 2018.  According to Quadriga, Cotten stored those digital assets in a “cold wallet” on his encrypted laptop and repeated attempts by his widow to gain access to the laptop have proved unsuccessful.  Additionally, details…