[Qilin Ransomware Attacks South Korean IT Service Provider, Data from 28 Financial Institutions Leaked] The Qilin ransomware group launched a supply chain attack by breaching South Korean IT service provider GJTec, resulting in 28 financial institutions being affected and the leakage of over 1 million files, totaling approximately 2TB of data. Bitdefender's investigation indicates that this operation is suspected to be linked to the North Korea-backed APT group 'Moonstone Sleet' and may involve collaboration with the Russian-speaking Qilin organization, targeting the South Korean financial market.

[South Korean Listed Company Bitplanet Increases Holdings by 17 Bitcoins, Total Holdings Reach 245.5 BTC] South Korean listed company Bitplanet (Stock Code: 049470.KQ) has increased its holdings by 17 Bitcoins, now holding a total of 245.5 BTC, ranking 83rd among the top 100 Bitcoin holders.

[Ethereum Block Gas Limit Raised to 60 Million] On November 25, the Ethereum block gas limit was increased from 45 million to 60 million, and the adjustment has automatically taken effect. Ethereum Foundation researcher Toni Wahrstätter stated on the X platform that this adjustment is the result of a year-long effort by the community, aimed at improving the processing capacity of Ethereum's base layer. More than half of the validators signaled their support, reaching the approval threshold under Ethereum's current consensus rules.

[UK Autumn Statement Does Not Increase Crypto Taxes, Global Tax Transparency System to Be Implemented in 2026] UK Chancellor Rachel Reeves did not introduce additional taxes on cryptocurrencies in the Autumn Statement, maintaining the same tax treatment for crypto assets as other asset classes. The UK government is advancing stricter reporting and regulatory measures, including plans to implement the Crypto-Asset Reporting Framework (CARF) global tax transparency system in 2026. Industry professionals welcomed the entrepreneurial support measures but expressed concerns that the UK's tax and regulatory environment might weaken its global competitiveness in the fintech and digital asset sectors, exacerbating the talent outflow in fintech, AI, and Web3 enterprises.

Upbit has revised its losses related to Solana to $30.4 million, of which $1.57 million has been frozen, and the Korea Financial Services Commission will conduct on-site inspections before December 5th. （Cointelegraph）