20 Quick Crypto Market News Items: 2026 CEX and DeFi Hacking
Over the past 24 hours, security incidents erupted in quick succession. Bithumb, South Korea's second-largest exchange, suffered an internal hack resulting in a data breach; Dashin Securities and Mirae Asset also confirmed they were attacked, and South Korean police have launched a pre-filing investigation into the relevant institutions. Japan's GMO Group's cloud desktop system was attacked, involving approximately 26,000 servers; the hackers' ransom demand was cut from $50 million to $1 million, and Masaya Kumagai refused to pay the ransom in BTC and ETH. In addition, approximately $1 million in assets were moved by Bloom drainer using 2,152 addresses. On the market side, on October 27 US Eastern Time, Bitcoin spot ETFs recorded net inflows of $176 million, with BlackRock's IBIT attracting $151 million in a single day, bringing cumulative two-day inflows to over $2.86 million; Ethereum spot ETFs recorded net outflows of $60.2178 million, with only BlackRock's ETHA seeing outflows. Investors are awaiting the Fed's decision, and bearish sentiment in BTC short-term options has notably eased. Meanwhile, Hong Kong's Investment Committee also flagged the risks of trading tokenized funds in the secondary market, while the Ethereum Foundation stated it will continue to support the development of privacy tools such as Kohaku.
October 29, 2026 Comprehensive Market News Summary
- [10-28 17:43] Centralized Exchange and DeFi Losses Dominate 2026 Crypto Hacks Despite Hardware Wallet Failures（Bitcoin Magazine）
- [10-28 17:40] Bithumb Probes Data Leak After Internal Hack（Bitcoinist）
- [10-28 16:15] Hong Kong Investment Committee warns of risks of trading tokenized funds in the secondary market（PANews）
- [10-28 16:02] Taizi Group joins temporary liquidators: Chinese victims may be able to file claims; over 90,000 BTC once flowed through affiliated entities（PANews）
- [10-28 14:30] Bitcoin ETFs Add $176M as 2-Day Inflows Top $286M（Bitcoin.com News）
- [10-28 14:01] Wu's Daily Crypto News Selection - South Korea's second-largest crypto exchange Bithumb suffers data breach, Dashin Securities and Mirae Asset also confirm attacks（吴说）
- [10-28 13:13] Birch Hill completes $4 million seed round led by Multicoin（吴说）
- [10-28 13:03] Birch Hill completes $4 million seed round, Multicoin Capital leads（PANews）
- [10-28 11:34] Market awaits Fed decision; bearish sentiment in BTC short-term options notably eases（Odaily 星球日报）
- [10-28 11:34] Ransom cut from $50 million to $1 million, GMO Group refuses to pay in BTC and ETH（Odaily 星球日报）
- [10-28 11:30] Evening News Roundup（Odaily 星球日报）
- [10-28 11:29] GMO cloud desktop attacked, involving 26,000 servers; hackers demand ransom in Bitcoin, Masaya Kumagai refuses to pay（吴说）
- [10-28 10:23] Nearly $1 million stolen, Bloom drainer moves funds using 2,152 addresses（Odaily 星球日报）
- [10-28 09:48] South Korean police launch pre-filing investigation into hacks of securities firms and crypto exchanges（PANews）
- [10-28 09:40] South Korean police launch pre-filing investigation into hacking incidents at securities firms and crypto asset exchanges（Odaily 星球日报）
- [10-28 07:47] Ethereum Foundation supports development of privacy tools such as Kohaku, emphasizing that privacy and security are inseparable（Odaily 星球日报）
- [10-28 07:17] Bitcoin spot ETFs recorded total net inflows of $176 million on October 27 US Eastern Time（吴说）
- [10-28 07:07] Bitcoin spot ETFs saw total net inflows of $176 million yesterday, with BlackRock's IBIT ranking first with $151 million in net inflows（[PANews](https://www.panewslab.com/zh/articles/01a1815