One of the biggest Bitcoin security stories of the year unfolded last week as a firmware exploit affecting certain Coldcard hardware wallets renewed industry debate around self-custody and operational security.

At the same time, another story was developing in the background.

Over the same seven trading days, U.S. spot Bitcoin ETFs attracted $790.6 million in net inflows, according to the Bitcoin For Corporations ETF Dashboard. More than $1.0 billion entered the funds while $212.7 million exited, resulting in one of the strongest weekly periods in recent months.

The two developments are not necessarily related. ETF flow data cannot tell us why investors bought Bitcoin….

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