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Show HN: Live BTC Arbitrage Monitor (South Africa vs. Global)

https://www.zarbitrage.co.za
1•teruza•5mo ago
We built [ZArbitrage.co.za](https://zarbitrage.co.za) to track the live price gap between Bitcoin in South Africa and major international markets.

South Africa often trades at a premium (sometimes double-digit %), and while many people know about the "ZAR premium", there hasn’t been a simple, transparent dashboard showing it clearly over time.

The opportunity is also only available to South African Tax registered citizens, so that does limit the the number of people who can profit of this specific scenario. Nevertheless, it is still interesting to see a real live Arbitrage example that lasted for a decade.

The site shows: - Live BTC arbitrage opportunities (SA vs global) - Historical charts for spreads over time - Transparent data pulled directly from exchange APIs

This started as an internal tool for our own trading research, but decided to open it up for anyone interested in arbitrage, FX controls, and how capital restrictions create unique crypto pricing dynamics. Also, the opportunity is essentially dead as of a few months ago. Will it be back? Who knows...

Any feedback or comments are welcome. But it's mostly for fun, research and historical purposes. We hope someone out there finds it interesting or useful!

The original vi is a product of its time (and its time has passed)

https://utcc.utoronto.ca/~cks/space/blog/unix/ViIsAProductOfItsTime
1•ingve•6m ago•0 comments

Circumstantial Complexity, LLMs and Large Scale Architecture

https://www.datagubbe.se/aiarch/
1•ingve•13m ago•0 comments

Tech Bro Saga: big tech critique essay series

1•dikobraz•16m ago•0 comments

Show HN: A calculus course with an AI tutor watching the lectures with you

https://calculus.academa.ai/
1•apoogdk•20m ago•0 comments

Show HN: 83K lines of C++ – cryptocurrency written from scratch, not a fork

https://github.com/Kristian5013/flow-protocol
1•kristianXXI•25m ago•0 comments

Show HN: SAA – A minimal shell-as-chat agent using only Bash

https://github.com/moravy-mochi/saa
1•mrvmochi•25m ago•0 comments

Mario Tchou

https://en.wikipedia.org/wiki/Mario_Tchou
1•simonebrunozzi•26m ago•0 comments

Does Anyone Even Know What's Happening in Zim?

https://mayberay.bearblog.dev/does-anyone-even-know-whats-happening-in-zim-right-now/
1•mugamuga•27m ago•0 comments

The last Morse code maritime radio station in North America [video]

https://www.youtube.com/watch?v=GzN-D0yIkGQ
1•austinallegro•29m ago•0 comments

Show HN: Hacker Newspaper – Yet another HN front end optimized for mobile

https://hackernews.paperd.ink/
1•robertlangdon•30m ago•0 comments

OpenClaw Is Changing My Life

https://reorx.com/blog/openclaw-is-changing-my-life/
2•novoreorx•38m ago•0 comments

Everything you need to know about lasers in one photo

https://commons.wikimedia.org/wiki/File:Commercial_laser_lines.svg
2•mahirsaid•40m ago•0 comments

SCOTUS to decide if 1988 video tape privacy law applies to internet uses

https://www.jurist.org/news/2026/01/us-supreme-court-to-decide-if-1988-video-tape-privacy-law-app...
1•voxadam•41m ago•0 comments

Epstein files reveal deeper ties to scientists than previously known

https://www.nature.com/articles/d41586-026-00388-0
3•XzetaU8•49m ago•1 comments

Red teamers arrested conducting a penetration test

https://www.infosecinstitute.com/podcast/red-teamers-arrested-conducting-a-penetration-test/
1•begueradj•56m ago•0 comments

Show HN: Open-source AI powered Kubernetes IDE

https://github.com/agentkube/agentkube
2•saiyampathak•59m ago•0 comments

Show HN: Lucid – Use LLM hallucination to generate verified software specs

https://github.com/gtsbahamas/hallucination-reversing-system
2•tywells•1h ago•0 comments

AI Doesn't Write Every Framework Equally Well

https://x.com/SevenviewSteve/article/2019601506429730976
1•Osiris30•1h ago•0 comments

Aisbf – an intelligent routing proxy for OpenAI compatible clients

https://pypi.org/project/aisbf/
1•nextime•1h ago•1 comments

Let's handle 1M requests per second

https://www.youtube.com/watch?v=W4EwfEU8CGA
1•4pkjai•1h ago•0 comments

OpenClaw Partners with VirusTotal for Skill Security

https://openclaw.ai/blog/virustotal-partnership
1•zhizhenchi•1h ago•0 comments

Goal: Ship 1M Lines of Code Daily

2•feastingonslop•1h ago•0 comments

Show HN: Codex-mem, 90% fewer tokens for Codex

https://github.com/StartripAI/codex-mem
1•alfredray•1h ago•0 comments

FastLangML: FastLangML:Context‑aware lang detector for short conversational text

https://github.com/pnrajan/fastlangml
1•sachuin23•1h ago•1 comments

LineageOS 23.2

https://lineageos.org/Changelog-31/
2•pentagrama•1h ago•0 comments

Crypto Deposit Frauds

2•wwdesouza•1h ago•0 comments

Substack makes money from hosting Nazi newsletters

https://www.theguardian.com/media/2026/feb/07/revealed-how-substack-makes-money-from-hosting-nazi...
5•lostlogin•1h ago•0 comments

Framing an LLM as a safety researcher changes its language, not its judgement

https://lab.fukami.eu/LLMAAJ
1•dogacel•1h ago•0 comments

Are there anyone interested about a creator economy startup

1•Nejana•1h ago•0 comments

Show HN: Skill Lab – CLI tool for testing and quality scoring agent skills

https://github.com/8ddieHu0314/Skill-Lab
1•qu4rk5314•1h ago•0 comments