据 DL News，Ethereum Foundation 向安全团队 Trust Security 发放 5 万美元漏洞赏金，以奖励其在 ERC- 4337（账户抽象）中发现一项"高严重性"攻击向量。该问题可被用于对账户抽象交易实施"审查/骚扰 式"攻击（导致有效且签名正确的交易被恶意触发回滚并消耗 Gas），Ethereum Foundation 表示已在最 新版本中完成修复，并建议相关协议尽快升级。 （来源：吴说） ...

Core Insights - Ledger, a cryptocurrency security company, is preparing for an initial public offering (IPO) in the U.S. with a potential valuation exceeding $4 billion [1] - The company is collaborating with investment banks Goldman Sachs, Jefferies, and Barclays to advance its listing plans, which could be completed as early as this year, although there are uncertainties involved [1] - Founded in 2014 and headquartered in France, Ledger specializes in hardware wallet devices and had an estimated valuation of approximately $1.5 billion in 2023 [1] - The CEO of Ledger indicated that the company is experiencing a record year, driven by an increase in demand for its products amid rising risks of hacking and fraud [1]

Core Insights - In December 2025, approximately 26 significant cryptocurrency security incidents occurred, resulting in total losses of around $76 million, a decrease of over 60% compared to losses of about $194 million in November [1] Summary by Category Security Incidents - The most notable incident involved address poisoning, leading to a loss of approximately $50 million from wallet 0xcB80...819 [1] - A private key leak resulted in the theft of about $27.3 million from multi-signature wallet 0xde5f...e965 [1] Loss Rankings - The top five incidents by individual loss in December were: 1. Multi-signature wallet 0xde5f...e965: $27.3 million 2. Babursol: $22 million 3. Trust Wallet: $8.5 million 4. Unleash Protocol: $3.9 million 5. Flow: $3.9 million [1]