When evaluating the sheer amount of bitcoin lost, the recent exploits of the Coldcard hardware wallet and the Liquid Network sidechain do not rank as the most serious security incidents in the history of crypto. However, they represent a far more dangerous development than the relatively common exchange hacks of the past.

In previous crypto disasters, the faithful could point to viable excuses involving user error, such as the use of centralized, unregulated exchanges or interacting with complex smart contracts that could be buggy and lead to a loss of funds. For example, many feared that the Mt. Gox hack and subsequent bankruptcy in early…

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