In the span of seven minutes on a July evening, a Toronto investor lost over $1.6 million in bitcoin he had stored with meticulous care — a casualty not of carelessness, but of a hidden flaw written into the code of a trusted device years before. The breach, which ultimately drained more than $140 million from Coldcard hardware wallets worldwide, has done more than expose a technical error; it has unsettled a foundational belief within the cryptocurrency community — that holding one's own keys is the surest path to financial sovereignty. What seemed like liberation from institutional risk has
Bitcoin wallet hack sparks self-custody reckoning
Individual investors lost substantial sums, including one Toronto investor who lost $1.6 million in bitcoin within seven minutes.