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A physical Bitcoin coin displayed against a rising cryptocurrency price chart

bitcoin erased three months of losses in one week — and it's still 30% below its record high

BTC crossed $80,000 for the first time since May on a Treasury bond-buyback surprise and a Trump-Coinbase meeting — but the rally hasn't undone a brutal year.

Sam Okafor · Aug 25 · 6 min

A small hardware cryptocurrency wallet device used for offline Bitcoin storage

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your 'safest' Bitcoin wallet had a broken lock since 2021 — and hackers just found it

A five-year-old firmware bug in Coldcard hardware wallets let attackers drain $116 million in Bitcoin this summer — and if you generated a seed on one between 2021 and July 2026, your coins might still be exposed.

Sam Okafor · Aug 16 · 7 min

Abstract visualization of interconnected blockchain network nodes

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this ransomware gang can't be shut down the normal way — their servers live on the blockchain now

DeadLock skips throwaway domains entirely. Its victim chat and leak blog run on Polygon smart contracts, and Microsoft says that's exactly why takedown notices don't work on it anymore.

Sam Okafor · Aug 15 · 7 min