QuadrigaCX Files for Creditor Protection in Nova Scotia Court

On January 31, 2019, QuadrigaCX officially filed for creditor protection in a Nova Scotia court, formalizing the cryptocurrency exchange's inability to access approximately $145 million in customer funds allegedly locked behind private keys that died with CEO Gerald Cotten. The court filing marked the beginning of complex legal proceedings that would become one of cryptocurrency's most notorious scandals, raising fundamental questions about exchange custody practices and fiduciary responsibility.

The creditor protection filing revealed shocking details about QuadrigaCX's operations: Cotten had allegedly been the only person with access to cold storage private keys holding the vast majority of customer cryptocurrency, the exchange had been processing withdrawals from remaining accessible funds creating unsustainable situation, and approximately 115,000 customers were now unable to access their holdings.

The filing also disclosed that Cotten had died in India in December 2018 from complications of Crohn's disease, though questions would soon emerge about the circumstances and even the fact of his death. Court-appointed monitors began investigating QuadrigaCX's financial situation, attempting to locate any accessible cryptocurrency and examining the exchange's business practices.

For QuadrigaCX's customers, the creditor protection filing confirmed their worst fears—their cryptocurrency was likely gone, whether due to catastrophic operational failures or potential fraud. The case would eventually reveal evidence suggesting QuadrigaCX had been operating in fractional reserve fashion well before Cotten's reported death, using customer funds for trading and potentially misappropriating assets.

For Bitcoin's broader ecosystem, QuadrigaCX became the definitive cautionary tale about exchange custody risks, validating the 'not your keys, not your Bitcoin' philosophy that Proof of Keys and other self-custody movements promoted. The case demonstrated that trusting exchanges with cryptocurrency custody exposed users to risks ranging from incompetence to fraud, and that Bitcoin's irreversibility—normally a feature—became catastrophic weakness when custodians lost or stole private keys.The QuadrigaCX scandal would continue unfolding throughout 2019 with increasingly suspicious revelations, ultimately resulting in fraud investigations and serving as permanent reminder of the importance of self-custody in cryptocurrency.