Coincheck controversies
Controversies tied to this brand in public sources. A listing is not a finding of fault.
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2018
Coincheck NEM security breach
Attackers stole approximately 500 million NEM tokens from Coincheck in January 2018. The incident caused a major service disruption, triggered regulatory action, and raised serious questions about the exchange’s security and internal controls.
2018
Regulatory scrutiny following the hack
Japan’s Financial Services Agency ordered Coincheck to improve security, know-your-customer procedures, management oversight, and internal controls. The regulator did not order the exchange to close.