Suspected Binance hack of up to $5.8B drove BTC below $79,000, with Tether and Circle freezing $1.8 to $2.4B in stablecoins.
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Polymarket users were drained via a compromised third-party monitoring script, with at least $800k reported stolen; Polymarket halted trading.
On-chain analysis: a 544,000 BTC move in 200 sweeps on Nov 22, 2025 was Coinbase's wallet migration, not new buyers.
Ransomware group leaked backend data from no-KYC swap Wagyu.xyz, exposing 38k orders and user IPs; the lesson is that off-chain databases, not Monero, are the privacy weak point.
Bithumb suffered a hack through an internal employee system; it is still determining whether customer data was exposed.
Binance's incident timeline and FAQ: it says customer funds are safe, while recovery and losses remain unclear.
Singapore police link S$3.5M in losses to Ledger wallets bought from local retailers, with preliminary findings of malicious hardware inside some devices.
Chainalysis traces North Korean cash-outs through Garantex, a useful look at laundering routes after sanctions.
Alice & Bob's new model cuts the hardware needed to break bitcoin keys by 17 times, raising urgency for quantum-resistant security.
A credited recreation of a 2014 analysis shows Bitcoin's address space is almost entirely empty, explaining why vanity-address searches rarely hit funded wallets.
Address poisoning drained $50,059 USDT after 48 fake look-alike wallet entries appeared in the victim's history the week before.