🚀 Hacker News

1. Signal Protocol and Post-Quantum Ratchets
信号协议和量子后棘轮
2. Apple takes down ICE tracking apps after pressure from DOJ
苹果在司法部的压力后取下冰跟踪应用程序
3. OpenAI's H1 2025: $4.3B in income, $13.5B in loss
Openai的H1 2025：$ 4.3B的收入，损失$ 13.5B