Posts tagged #Verification
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The numbers of the Coldcard incident, verified at home
Between July 30 and August 1, 2026, thousands of addresses created with Coldcard Mk2 and Mk3 wallets, whose seeds came from a faulty generator, were drained. The incident's numbers recomputed at home with a Bitcoin node and nodsig's open artifacts: 1,366 BTC from 4,560 addresses, the rules that isolate the groups, the comparison with Perera and Galaxy, where the funds are.
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A fingerprint and a clock no one controls
A fingerprint says whether a text has changed, a clock no one can move lets one establish when this text existed, a stable signature says who it comes from: three already-known tools, put together, that do not abolish trust but shift it from whoever publishes to what anyone can check. A concrete use case, not a showcase of buzzwords.