OpenAI details efforts to secure its ChatGPT Atlas browser against prompt injection attacks, including building an "LLM-based automated attacker" (Rebecca Bellan/TechCrunch)
Coinbase agrees to acquire prediction markets startup The Clearing Company for an undisclosed sum; the startup was founded in 2025 and raised a $15M seed (Yogita Khatri/The Block) https://www.theblock.co/post/383497/coinbase-to-acquire-prediction-markets-startup-the-clearing-company
Sources: Nvidia's DGX Cloud is merging with the engineering unit, pivoting from selling cloud services to enterprises to supporting internal AI development (The Information) https://www.theinformation.com/articles/nvidia-restructures-cloud-team-retreating-aws-competition
Vince Zampella, former CEO of Infinity Ward, the studio behind Call of Duty, died Sunday at 55 in a single-car crash in Southern California (NBC Los Angeles)
Chinese AI startup Z.ai releases GLM-4.7, an open-weight model that Z.ai says delivers significant improvements in coding performance compared to GLM-4.6 (Z.ai)
OpenAI rolls out Your Year with ChatGPT, a Spotify Wrapped-like feature, to Free, Plus, and Pro users in the US, the UK, Canada, Australia, and New Zealand (Sarah Perez/TechCrunch)
FanDuel and CME Group launch a prediction market app called FanDuel Predicts in five US states, just days after DraftKings rolled out a similar product (Denitsa Tsekova/Bloomberg)
Italy's competition watchdog fines Apple €98.6M, saying the company's ATT rules are "disproportionate" and "harmful" to app developers and advertisers (Joe Rossignol/MacRumors)
Source: Erebor, a digital bank co-founded by Palmer Luckey, raised $350M led by Lux Capital at a $4.35B post-money valuation; it secured FDIC approval last week (Axios) https://www.axios.com/2025/12/22/palmer-luckey-digital-bank
Alphabet agrees to acquire clean energy developer Intersect for $4.75B in cash, and existing debt, as part of its push to dramatically expand AI data centers (Bloomberg)