TREE NEWS reports: Coinkite’s Coldcard bug, linked to July-August 2026 thefts, highlights risks of single-signature custody. The company now mandates dice rolls and key-press entropy for new seeds. The lesson: use multi-vendor multisig instead of relying on one vendor for all keys.
Coinkite Coldcard Bug Exposes Single-Sig Risk; Multisig New Baseline
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