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HACK news

Curated crypto headlines with the on-chain context most tools skip. Written by the team behind Koinlytics.
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A 2021 Firmware Bug Just Cost Coldcard Users 594 BTC in a 25 Minute Sweep

A build setting introduced in Coldcard firmware 4.0.0 back in March 2021 quietly turned hardware seeds into guessable ones, and attackers drained 594 BTC (about $38 million) in a single 25 minute window.

BTChackbitcoinJul 31, 2026

North Korea's Best Crypto Hackers Now Vet You Before They Rob You

BlueNoroff's phishing kit scans your browser for wallet extensions during a fake Zoom or Teams call and only drops malware if you look worth it, hitting 100+ victims in 20+ countries between May 31 and July 14, 2026.

BTCETHsecurityhackJul 27, 2026

Attacker Prints 5.23M WEMIX$ From Thin Air, Forces a Full Network Halt

At 09:17 UTC on July 26, an attacker with admin rights over the WEMIX$ stablecoin contract minted 5,225,525 tokens (about $5.22M) and laundered roughly $724,198 in USDC.e across Ethereum and BNB Chain, prompting WEMIX to freeze bridges, DEX and marketplace trading.

USDCWEMIXhackstablecoinJul 26, 2026

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