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Show HN: Symmetric encrypted chat (text, file, audio, video) in browser

1•amir734jj•50m ago
https://chat.hesamian.com

https://github.com/amir734jj/symmetric-crypto-chat-room

I started working on this many years ago and incrementally improved this over-time. The idea is if two people choose a (channel + encryption key) then they should be able to communicate with each other (text, file, audio, video) fully encrypted all in your browser. The "server" just relays the data. It doesn't know what is being send/received.

If you join the channel with wrong encryption key, you will just receive garbage data.

Drawing electricity from this sodium-water reactor prevents explosion, in theory

https://www.youtube.com/watch?v=l0qqUE1pgXU
1•fallinditch•1m ago•0 comments

Religious Scholars Met with Anthropic. What They Heard Stunned Them

https://www.nytimes.com/2026/09/29/us/anthropic-claude-morals-ai.html
1•kanamekun•1m ago•0 comments

Did Iran Just Use Russia's "Kalinka" System on Starlink? (January 20, 2026)

https://nationalinterest.org/blog/buzz/did-iran-just-use-russias-kalinka-jamming-system-starlink-...
1•rexbee•3m ago•0 comments

Show HN: Yantra – an LALR(1) parser generator for C++

https://github.com/TantrixAuto/yantra
2•renjipanicker•7m ago•0 comments

XTechHumanoid winners advance military exploration of humanoid capabilities

https://www.war.gov/News/News-Stories/Article/Article/4613847/robotics-competition-winners-advanc...
1•lelandfe•7m ago•0 comments

Side Injection Test – Longshot Space [video]

https://www.youtube.com/watch?v=tbj0yfNz4_I
1•pinnola•8m ago•0 comments

Cities Are Forced to Funnel License Plate Data to a Federal Surveillance Program

https://www.404media.co/how-cities-are-forced-to-funnel-license-plate-data-to-a-massive-federal-s...
4•ripe•12m ago•0 comments

Gold beetles to Darwin's finds: The 70M museum artefacts going online

https://www.bbc.com/news/articles/cv5yjgrj4ello
1•1659447091•17m ago•0 comments

The main purpose of Z-Library is to enhance the level of education of everyone

https://z-lib.gd/fundraising
1•Cider9986•18m ago•0 comments

Follower counts don't equal search visibility – vetting creators before ad buys

https://hikerapi.com/
1•yumrbeats•20m ago•0 comments

8 Questions about Minds and AI

https://www.echohive.ai/eight-questions-about-minds-and-ai
1•echohive42•21m ago•0 comments

Aw1-breaker: Sub-0.02ms AST circuit breaker for Python AI agent tools

https://github.com/MvikManners/aw1-circuit-breaker
1•MvikVela•24m ago•0 comments

Show HN: I built a directory to set up ChatGPT's always-on agents in one paste

https://dotbotdirectory.com
1•iamdemetrius•24m ago•0 comments

Claude's new auto eval tool

https://hamel.dev/blog/posts/claude-auto-evals/index.html
3•hamelsmu•25m ago•0 comments

Google's AI Push into Schools: 'It Slowed My Thinking Down'

https://www.wsj.com/tech/ai/google-ai-gemini-education-schools-1ec0972a
1•alexpetralia•25m ago•0 comments

Jevotron: Multiple Jev integrations from the command line

https://cmungall.github.io/jevotron/
1•chrismungall•25m ago•0 comments

Show HN: I built Goodreads for startup founders (with Grok)

https://founderread.com/
1•westche2222•27m ago•0 comments

Using a chat widget in California is considered wiretapping (still)

https://www.getprivisy.com/blog/sb-690-cipa-what-changed
1•patrickwdaly•28m ago•1 comments

D2B – Spreadsheets for AI Agents

https://d2b.dev/developers
1•keikubo•30m ago•0 comments

Why transcription quality fluctuates (and how to fix it)

https://wisprflow.ai/post/transcription-quality
2•sleepypandas•33m ago•0 comments

Structuring Tokenized Equity Securities

https://www.geronimo.law/newsletter/structuring-tokenized-equity-securities
1•blitzball•34m ago•0 comments

I built a reproducible AI dev VM so engineers can skip setup hell

https://github.com/niemenghui/stAI-dev-machine
1•niemenghui•34m ago•0 comments

Ask HN: What's a good title for a software engineer now?

1•type4•35m ago•3 comments

Pete Hegseth appoints Elon Musk to US taskforce on future of warfare

https://www.theguardian.com/technology/2026/sep/30/pete-hegseth-elon-musk-taskforce-warfare
7•totetsu•36m ago•3 comments

Show HN: Paintlustrator – a free iPad app to draw and export SVGs

https://www.paintlustrator.fun
1•maytc•38m ago•1 comments

HBM: High-Bandwidth Mistake

https://irrationalanalysis.substack.com/p/hbm-high-bandwidth-mistake
3•gok•39m ago•0 comments

Show HN: ASM Bots – Core War in real 8086 machine code

https://asmbots.io/
1•pedramamini•40m ago•0 comments

Evolving Candela City – Supertuxkart Blog

https://blog.supertuxkart.net/2026/09/evolving-candela-city.html
1•bariumbitmap•41m ago•1 comments

Page Table Memory Consumption

https://frn.sh/pagetables/
2•shellpipe•42m ago•0 comments

Ask HN: My agent went haywire, does this output mean anything?

1•nativeit•42m ago•0 comments