Crypto markets recorded $125 million in liquidations over the past 24 hours, Coinglass data show. Long positions accounted for $60.7 million, while short positions totaled $64.26 million.

U.S. Bitcoin spot ETFs recorded cumulative net outflows of $497.1 million for the week ending Dec. 20, Farside data show. U.S. Ethereum spot ETFs saw net outflows of $643.9 million over the same period.

An address that lost 50 million USDT in a phishing attack filed an official case and posted an on-chain message to the attacker on December 20, on-chain researcher Specter reports. The victim stated it has gathered substantial intelligence on the attacker's activities with support from law enforcement, cybersecurity firms and blockchain protocols, and the attacker's wallet is now under 24/7 monitoring. The attacker has 48 hours to return 98% of the stolen assets to a specified address and may keep 1 million USDT as a white-hat bounty for disclosing the vulnerability, provided there is full cooperation. The victim said it will close the matter if funds are returned, but warned non-cooperation will lead to escalation through legal and international law-enforcement channels to pursue criminal and civil liability.

Two addresses linked to the same entity bought 5,678 ETH on-chain in the past hour at an average price of $2,985.7, spending $16.95M, on-chain analyst Ai 姨 (@ai_9684xtpa) reported on December 20. The entity previously executed a swing trade between December 3 and December 12, investing $14.97M and realizing a $137,000 profit.

Ethereum co-founder Vitalik Buterin sold 55,000 KNC for 12,150 USDC and 1.05 billion MUZZ for 1.89 ETH on Dec. 20, on-chain data show. BlockBeats reports the 1.89 ETH was worth approximately $5,640.

A whale shorting 35,221 ETH with 15x leverage at an average entry of $3,332.52 is sitting on an unrealized profit of $12.55 million, HyperInsight data show on Dec. 20. The position, valued at about $105 million, has generated $3.14 million in funding fees, with liquidation set at $3,855.54.

Prediction market contracts priced National Economic Council Director Hassett as the frontrunner to become the next Federal Reserve Chair on Dec. 20, BlockBeats reports. Polymarket odds reached 54%, while Kalshi pricing climbed to 51%. Walsh and Waller ranked second and third, respectively, in terms of nomination probability by Trump.

Trader "Maji" opened high-leverage long positions in Bitcoin, ZEC and HYPE worth $17 million on December 20, Hyperinsight data show as reported by BlockBeats. The positions were established within a 10-minute window.

Arthur Hayes transferred 680 ETH valued at $2.03M to Binance and Flowdesk on Dec. 20, Onchain Lens data show. The transfer may be related to selling activity.