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Cold Storage

Curated articles tagged Cold Storage

Part of Security

3 articles
  • Coldcard entropy vulnerability that drained 594 Bitcoin from hardware wallets
    Featured
    Hardware Wallet

    How Weak Entropy Drained 594 Bitcoin From Coldcard

    A Coldcard firmware bug turned 128-bit seeds into 40-bit ones. Attackers swept 594 BTC from 500 wallets in 25 minutes. Here is exactly how it broke.

    August 1, 202614 min read
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  • Bitcoin Cold Storage Setup Step by Step 2026
    Featured
    Bitcoin Security

    Bitcoin Cold Storage Setup Step by Step 2026

    Cold storage setup for Bitcoin in 2026: hardware selection, seed generation, passphrase decision, test transaction, recovery drill, and steel-plate backup.

    June 2, 202612 min read
    Read Article →
  • Bitcoin DCA Cold Storage Workflow Switzerland 2026
    Featured
    Bitcoin DCA

    Bitcoin DCA Cold Storage Workflow Switzerland 2026

    Bitcoin DCA Cold Storage: the Swiss 2026 workflow. Batch thresholds, exchange whitelisting, auto-withdraw, hardware verification, and ESTV reconciliation.

    June 2, 202613 min read
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