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Bitcoin onchain activity has reached its highest level of 2026 as researchers have linked the surge to the ongoing Coldcard wallet exploit, warning that similar spikes have historically coincided with local market turning points. K33 Research said nearly 890,000 BTC…
BTC
Bitcoin
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David Schwartz said the Coldcard breach shows that rare custody failures can produce devastating losses, comparing the incident with past breakdowns in traditional finance. Schwartz compares Coldcard breach with TradFi failures Ripple CTO Emeritus David Schwartz framed the Coldcard attack…
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OKX has reported record inflows to its centralized exchange following the Coldcard hardware wallet exploit, as the company says users are increasingly prioritizing managed custody after one of the largest known Bitcoin wallet security incidents. According to The Block, OKX…
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Boltz suspends Bitcoin swaps indefinitely as AI assisted attacks outpace fixes, while refunds remain open and user funds stay secure.
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Coldcard’s five-year seed-generation flaw has renewed calls for independent testing of hardware wallet firmware after suspected attacks have drained nearly $90 million worth of Bitcoin from thousands of wallets. Kraken chief security officer Nick Percoco said in a post on…
BTC
Bitcoin
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Bloomberg analyst Eric Balchunas says the $88.6M Coldcard drain strengthens Bitcoin ETFs, although institutional custody still carries risk.
BTC
Bitcoin
News
Blockchain asset management protocol Swan Treasury has suffered an estimated $625,000 loss after attackers exploited a leaked off-chain signer key to buy STY tokens at a steep discount before selling them for profit. According to blockchain security firm Defimon Alerts,…
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Ostium has concluded that its July exploit originated from compromised off-chain infrastructure rather than a flaw in its smart contracts, after an investigation found the attacker manipulated price reporting to drain 23.75 million USDC from the protocol’s liquidity vault. According…
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Crypto security incidents caused $1.1 billion in losses across 212 cases in H1 2026, as key compromises overtook contract bugs.
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Garden Finance has temporarily taken its application offline after an attacker compromised the off-chain database of an independent solver, leading to the loss of solver-owned digital assets while leaving protocol contracts and user funds unaffected. Blockchain security firm Blockaid reported…
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Triple-A has confirmed that unauthorized access to its treasury wallets resulted in the loss of company-owned digital assets while stating that client funds and payment operations have remained unaffected. Triple-A said in a statement on Monday that it detected unauthorized…
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BlueNoroff uses fake Zoom and Teams meetings to scan crypto wallets, hijack Telegram sessions, and deliver malware on Windows and macOS too.
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Lien Finance has lost about $542,000 in USDC after an attacker exploited a flaw in its bond token logic to mint unsupported assets and drain liquidity from the protocol. Blockchain security firm SlowMist said the exploit targeted Lien Finance’s bond…
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Zilliqa halted native ZIL transactions after a Ledger app flaw exposed private keys, while Upbit placed ZIL under cautionary trading status.
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Crypto institutions move beyond audits after operational failures drove 88.3% of Q2 losses, with monitoring and signer safeguards in focus.
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South Korea’s FSS begins sanctions proceedings against Dunamu over Upbit’s 2025 hack, while legal gaps leave the possible penalties unclear.
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