SlowMist Chief Information Security Officer 23pds said on Dec. 26 that users of wallet versions linked to ongoing theft incidents should go offline before exporting mnemonic phrases and moving assets, BlockBeats reports. Simply opening these wallets while connected to the internet could result in fund theft, he added. For wallets with previously backed-up mnemonic phrases, users should transfer assets first before upgrading the wallet.

US stocks opened on Dec. 26, with CME precious metals, energy, foreign exchange and equity index futures trading normally, BlockBeats said. US Treasury futures suspended trading from 14:00 to 19:00 Beijing time due to European holidays. Stock markets in Australia, New Zealand, Hong Kong, Europe and Canada remained closed all day, according to Jinshi.

SlowMist CISO 23pds said on Dec. 26 that Trust Wallet-related developer devices or code repositories may be under attacker control, BlockBeats reports. He urged staff to disconnect from networks and check devices. PeckShield data earlier showed losses above $6 million tied to Trust Wallet.

Whale address pension-usdt.eth fully closed a 3x leveraged long position of 30,000 ETH on Dec. 26, worth about $87.5 million at an average entry price of around $2,967, Coinbob data show as cited by BlockBeats. The address frequently conducts short-term swing trades and opens full-position low-leverage longs in major assets such as BTC and ETH, with an average holding period of about 20 hours. Over the past 30 days, the address has realized profits of around $13.78 million, bringing total gains since October to $25.25 million.

BTC OG Insider Whale added 208,000 SOL long positions worth about $27M overnight after a week-long pause, expanding total positions to roughly $61.82M while sitting on around $55.5M in unrealized losses, Coinbob's address monitoring showed on December 26. The whale's main holding is an ETH long of about $603M with $46.62M in paper losses at an average entry of $3,147, alongside loss-making BTC and SOL longs, making the account the largest ETH, BTC and SOL long on Hyperliquid with an overall position of about $742M. The "CZ rival" address holds an ETH long of roughly $166M with $15.54M in unrealized losses at a $2,947 entry and $2,690 liquidation, plus an XRP long of about $71.38M with $17.62M in losses and no position changes in the past week, ranking as the biggest XRP long and second-largest ETH long on Hyperliquid. The address pension-usdt.eth runs a 3x leveraged ETH long of about $87.57M at $2,967 entry with $1.47M in unrealized loss, "Ultimate Short" keeps a BTC short of about $43.76M with $12.06M in unrealized profit, and "Altcoin Short Army Leader" has closed 10 altcoin shorts this month, reallocating margin into HYPE spot plus a hedging short that has grown to roughly $7.8M.

Trust Wallet issued a security alert on December 26 confirming a vulnerability in its browser extension version 2.68, with on-chain analyst ZachXBT reporting that hundreds of users have lost at least $6 million. The wallet previously faced a WebAssembly flaw affecting new addresses created between November 14 and 23, 2022, resulting in about $170,000 in losses that were later fully reimbursed through a bug bounty process. MetaMask and Phantom were both impacted by the "Demonic" vulnerability in 2022 without known large-scale fund losses, while Chainalysis reported a surge in MetaMask user thefts in 2025 mainly linked to fake malware extensions and phishing. Phantom was named in a 2025 class-action lawsuit in the Southern District of New York over a $500,000 loss that the project has strongly denied, and Rabby Wallet suffered around $200,000 in crypto asset theft in 2022 due to an issue in its Rabby Swap feature rather than the plugin itself.

Winslow Strong withdrew 307 cbBTC, valued at about $27.03 million, and 1,900 ETH, valued at about $5.6 million, from lending protocol Aave and transferred the assets to Coinbase approximately eight hours ago, according to on-chain data compiled by Lookonchain. The cbBTC tokens involved in the transaction represent Coinbase-wrapped Bitcoin issued on the Base network.

A whale described as the largest short seller in ZEC transferred 4,000,000 USDC to HyperLiquid on December 26 and opened 15x leveraged ETH and 5x leveraged ZEC short positions, OnchainLens data show. The trader now holds 8 positions with a combined notional value of about $148.8 million, including a $130 million ETH short and a $12 million ZEC short. Unrealized profit on these positions exceeds $17 million, while total account profit is over $38 million.

sers of Trust Wallet’s browser extension have lost at least $6 million in a security breach affecting version 2.68, according to a report by The Block. On-chain investigator ZachXBT first highlighted multiple instances of funds being drained, after which Trust Wallet confirmed the incident and advised users to upgrade to version 2.69.