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Registration without a phone number on Signal will use zero-knowledge proofs

Article URL: https://community.signalusers.org/t/registration-without-a-phone-number/2222?page=10 Comments URL: https://news.ycombinator.com/item?id=49689048 Points: 179 # Comments: 82

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Securely Merging Pull Requests from Public Contributors

Intro: Maintainers Caught at a Fork 🍴 How can maintainers safely test forked PRs without exposing sensitive data to potentially untrusted code?

  • Use pullrequesttarget event with elevated GITHUBTOKEN for secure workflows
  • Second approach: workflowrun event for prescan workflow with secret access
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The Reminder Queue Refills Only When You Open the App

The bug report was one line from someone testing Lifemaxxing AI : "why did it tell me I got nothing done today, I did everything." He was right, and the notification was working exactly as written.

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  • Two notifications scheduled: morning and afternoon
  • Bug causes afternoon notification to always be scheduled

Expanding Software Engineering Teams for Social Impact Projects

The Problem: Engineering Capacity Is a Bottleneck Hiring full-time engineers is expensive and competitive, especially on a nonprofit, mission-driven budget.

  • Nonprofits struggle with limited engineering capacity for social impact projects.
  • Open source platforms enable external contributors to augment teams without full-time hires.
  • Specific topic tags and GitHub features enhance discoverability and contribution opportunities.

100+ Users, Free API Keys and ₹0 Cloud Budget: How I Built Kairos

I wanted to build a simple RAG system. That sentence aged badly. The original problem was actually pretty simple. We were organizing a departmental event called Kairos , where participants had to…

  • Author built RAG system for Kairos event with budget constraint of ₹0
  • Implemented multiple API keys and per-team question quotas to handle 100+ users
  • Used Gemini and OpenRouter/Nemotron as free LLMs, running system locally with ngrok

Technical English for security engineers: A database on how to write, speak and pass interviews

Preview Hey, you'all Не секрет, что у многих русскоязычных IT/security-специалистов (РФ, СНГ) английский ассоциируется с чем-то огромным и неприятным: времена, артикли, неправильные глаголы, идеальное…

  • Working technical English vital for security engineers to communicate in international teams
  • Focus on clarity, ownership, and next steps in messages
  • Learn 300-400 security vocabulary and 50-100 ready phrases for confident communication

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