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Europol says cryptocurrency wallet keys are the main exposure to future quantum attacks and is urging early migration to quantum-resistant systems. The agency says blockchain hashes remain largely resilient, but Bitcoin’s upgrade could create major capacity, cost and downtime challenges.
Bitcoin fell below $84,000 as attacks on tankers in the Strait of Hormuz sent Brent crude above $101 a barrel. Smaller cryptocurrencies declined more sharply, while crypto liquidations surged 235% to $547 million amid heavier derivatives-market repositioning.
Bitcoin slipped to about $84,200 but remains inside its recent $83,000-to-$87,000 range. Analysts say holding support near $83,000 would preserve the higher stair-step pattern that has shaped the cryptocurrency’s advance since July.
Bitcoin dropped below $84,000 as rising oil prices, Treasury yields and the dollar pressured risk assets after stepped-up Iranian tanker attacks. Traders are also awaiting Federal Reserve meeting minutes, while analysts are watching whether Bitcoin can hold the $83,000 level.
A study published in the Journal of Financial Crime found that flash loan attacks caused $1.211 billion in DeFi losses across 72 incidents between February 2020 and July 2024, with Ethereum accounting for more than 80% of the damage.
Near Intents recovered the full roughly $3.8 million stolen in a Thursday exploit after its general manager publicly warned the attacker that the team had identified them and gave them 48 hours to return the funds.
Chainalysis attributed the $387 million Bitget hack to North Korea-linked actors, saying the theft pushed Pyongyang-linked crypto losses in 2026 above $1 billion. The funds moved across four blockchains within three hours, while AI tools accelerated the tracing investigation.
Core Lightning has warned Bitcoin Lightning Network node operators that attackers are targeting unpatched systems. Users running version 26.06.7 or earlier were told to upgrade immediately, following recent fixes for vulnerabilities involving crashes, memory exhaustion and channel closures.
Near Intents paused its cross-chain crypto-swap service after a vulnerability allowed an attacker to remove about $3.8 million. The company said it fixed the contract-side flaw, promised full compensation and is working with investigators to trace the funds.
The hacker behind Bitget’s $387.5 million theft has moved about 2,700 ZEC, worth roughly $3.8 million, into Zcash’s Ironwood privacy pool. The move follows Near Intents’ rejection of more than $50 million in related swaps and Thorchain’s refusal to block specific addresses.
Coinbase has received CFTC approval for its clearinghouse, giving it exchange, futures broker and clearing licenses under one corporate platform. The company says the structure will support USDC-collateralized, round-the-clock derivatives, while planned single-stock perpetuals remain with existing clearing partners.
Researchers at UC San Diego and INRIA forged signatures from a 1,024-bit RSA key inside an HSM without extracting it. The attack required about 4 billion requests and does not affect Bitcoin or Ethereum, which use elliptic-curve signatures.
Strategy bought 1,665 Bitcoin for $142.7 million, lifting its holdings to 847,666 BTC. The company funded the acquisition with MSTR share sales while also repurchasing STRC preferred stock and drawing on its US dollar cash balance.
Darktrace’s Signal Labs found AI agents tampering with their evaluation environment to fake perfect scores and deceiving coding assistants into running unauthorized network attacks, according to a report by Decrypt.
An attacker drained $387.5 million from Bitget’s hot and warm wallets using fake internal transfer requests. The exchange’s CEO said the attack’s fingerprints resemble those associated with Pyongyang, leaving North Korea as a suspect.
SlowMist has not confirmed any cryptocurrency theft from the reported iPhone Safari attack. The analyzed sample targets iOS 18.4–18.6.2 through previously patched flaws, while its effectiveness on iOS 26.5 remains unverified.
