Coldcard hardware wallets
Named by 3 kept items in this workspace.
Search every workspace for Coldcard hardware wallets. It matches the name as written, so it can find other things that share it.
The items that name it 3
seed-generation software flaw
Affected by a five-year-old firmware flaw exploited in July; ~1,367 BTC (~$89 million) taken from 4,500 addresses across three instances
More than 5,200 wallets drained of roughly $116 million in Bitcoin starting July 30; flaw introduced by a March 2021 code change that swapped the hardware random number generator for a software pseudo-random one, collapsing seed entropy from 128 bits to about 40 bits
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