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January 26, 2018Crises & controversyFailures & lossesdocumented

Coincheck discloses a major exchange theft

Japanese exchange Coincheck halted withdrawals after attackers stole a large quantity of NEM tokens from a hot wallet.

The stolen asset was not bitcoin, but the failure affected confidence and oversight across Japan's cryptocurrency market. Coincheck later pledged customer reimbursement and faced regulatory orders to improve controls.