Bitcoin difficulty is set to drop about 8%, the largest cut since June, as hash rate falls and blocks slow.
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Binance says it has covered a $6.34B hack from company funds and published a proof-of-reserves snapshot that users cannot yet verify independently.
Trezor confirmed three devices were tampered with, shipped a firmware update, and cut its reseller network by 80%, with no known successful thefts so far.
Onchain check of a 2014 brain-wallet stunt shows the 30 cents went to the wallet and was spent within the same block, before the video was published.
Bitcoin Core disclosed a fixed October 2025 bug that let thousands of Tor-connected nodes trust any peer, plus a separate bug that could halt block production until a restart.
FBI says North Korea's FaceStealer scheme used deepfake video calls to steal over $400 million from crypto workers via malware.
FinCEN ordered US financial institutions to stop moving funds for MEXC Global under Operation Economic Outcast, a significant enforcement action against a major exchange.
Central banks in the UK, Singapore and Thailand published findings from a cross-border FX settlement trial linking traditional and tokenized systems.
BTCS sold ether at a loss to keep a $64 million Aave loan healthy; the loan could be liquidated if ether falls near $1,700.
Nakamoto owes Kraken $165 million, more than its market value, with about 70% of its bitcoin pledged as collateral, a concentrated treasury-firm risk.
Unocoin says one of its BitGo addresses sent transactions it cannot trace, after it suspended services following unauthorized activity.