#CardanoDebate Charles Hoskinson Orders Comprehensive Audit of IOG Amid 600 Million ADA Abuse Allegations. The controversy began when members of the Cardano community accused IOG - the company behind Cardano - of misusing 318 million ADA tokens. These tokens were not claimed after Cardano's ICO in 2017 and became unspendable after the network's Shelley upgrade in 2020, leading Cardano to complete decentralization.