美国总统唐纳德·特朗普宣布俄罗斯和乌克兰之间立即停止能源供应后，投资者权衡地缘政治紧张局势是否有可能缓解，受此消息影响，比特币价格上涨至 84,000 美元以上。

近几个月来，日历钓鱼攻击激增，诈骗分子利用虚假的会议邀请、付款提醒和恶意链接窃取登录信息和钱财。网络安全专家警告称，人工智能使这些骗局更具迷惑性，并建议用户屏蔽来自未知发件人的自动邀请，避免点击可疑链接。

中国正努力将区块链打造成为国家数字基础设施的基石，将这项技术从个别项目提升为经济现代化计划中的战略重点。

Blur 将于 2026 年 11 月 12 日关闭其前端服务，但其链上 NFT 市场仍将继续运营，其 Blend 借贷服务将停止匹配新的贷款。

法国连锁超市正在调查一起网络攻击事件，据报道，该攻击操纵了制冷系统，导致一些冷藏柜和冷冻柜的温度升至 50°C，迫使商店丢弃可能不安全的食品。

中国开发商秋冬27在人工智能网络安全工具Artex与至少九家韩国银行和超过68000人遭受的网络攻击有关后，将其设为闭源软件并停止公开更新。

Anthropic 正在人类与人工智能的关系中划清界限，禁止用户反复对其聊天机器人 Claude 进行其所称的不必要的残酷和虐待。

一名黑客声称，一名前雇员泄露的密码使一家小型 IT 公司获得了访问权限，这凸显了弱凭证和过度第三方访问的风险。

Google Playground 允许用户无需编写代码即可利用 AI 提示创建可玩的游戏。计划中的与 Unity 的合作将添加高级 3D 工具，目前仅限 18 岁及以上的美国用户使用。

On Sep 21, 2026, 11:47 AM(UTC). According to Binance Market Data, Bitcoin has crossed the 84,000 USDT benchmark and is now trading at 84,834 USDT, with a narrowed 5.43% increase in 24 hours.

On Sep 21, 2026, 11:47 AM(UTC). According to Binance Market Data, BNB has crossed the 790 USDT benchmark and is now trading at 792.359985 USDT, with a narrowed 5.36% increase in 24 hours.

Hyperliquid's market value has exceeded that of Nasdaq and the London Stock Exchange. According to Odaily, the report states this comparison without providing additional details.

Bitcoin BLAKE2b developers plan to restrict miners from unlocking newly mined tokens, with a 45-day waiting period and the change slated for activation at block height 973440. According to ChainCatcher, the chain forked from Bitcoin on August 8, and its native token BTCB2 has been labeled by some trading platforms as Bitcoin BLAKE2b, Bitcoin BIP-110, or XBT. BTCB2 has fallen 84% from its September high of $1,799 and was trading at about $270 to $315 in recent hours. Developer Luke Dashjr said some BLAKE2b mining pools are “attacking” the network. After the fork, the chain kept Bitcoin’s difficulty setting and mined only about 8 blocks in the first 22 days before resuming operations through BLAKE2b hashing and difficulty adjustments. The chain is not listed by most trading platforms or by CoinGecko and CoinMarketCap, while Neoxa has said it will support the upcoming soft fork.

Foresight News reported that Hong Kong-listed game company Boyaa Interactive (stock code: 0434) announced it bought 152 bitcoin last week at an average price of $75,899. The purchase totaled about $11.56 million and was funded by idle cash reserves generated from the company’s operations. According to Foresight News, Boyaa Interactive held 4,468 bitcoin as of the announcement date, with an average cost of about $68,543.

Perpetual futures linked to Volmex's Bitcoin Volmex Implied Volatility Index debuted on Hyperliquid on Monday. According to NS3.AI, the market allows traders to take long or short positions on bitcoin's expected volatility rather than its price direction. The launch was described as the first onchain perpetual futures market for Volmex's bitcoin volatility index.