Hacker News: teruza

New comment by teruza in "Why True Data Ownership Starts with Self-Hosting"

teruza — Thu, 18 Sep 2025 18:27:18 +0000

https://www.namhost.com/blog/web-hosting/why-true-data-owner...

Why True Data Ownership Starts with Self-Hosting

teruza — Thu, 18 Sep 2025 18:27:18 +0000

Article URL: https://www.namhost.com/blog/web-hosting/why-true-data-ownership-starts-with-self-hosting

Comments URL: https://news.ycombinator.com/item?id=45293216

Points: 4

# Comments: 1

New comment by teruza in "Talking to AI Without Exposing Your Data: Lessons from the Privacy Minefield"

teruza — Thu, 04 Sep 2025 00:47:36 +0000

Talking to AI Without Exposing Your Data: Lessons from the Privacy Minefield

teruza — Thu, 04 Sep 2025 00:47:36 +0000

Article URL: https://www.teruza.com/info-hub/web-development/talking-to-ai-without-exposing-your-data

Comments URL: https://news.ycombinator.com/item?id=45122135

Points: 2

# Comments: 1

New comment by teruza in "You Cannot Run a Bank on AI Software"

teruza — Mon, 01 Sep 2025 07:33:22 +0000

You Cannot Run a Bank on AI Software

teruza — Mon, 01 Sep 2025 07:33:22 +0000

Article URL: https://www.teruza.com/info-hub/ai/you-cannot-run-a-bank-on-ai-software

Comments URL: https://news.ycombinator.com/item?id=45090385

Points: 2

# Comments: 1

New comment by teruza in "Investigating the July/August 2025 Price Gap Between LUNO and VALR"

teruza — Sat, 30 Aug 2025 04:14:31 +0000

A in-depth look at what happens when the price of cryptocurrencies go out of sync on two local exchanges. (And how you can make money from these price differences)

Investigating the July/August 2025 Price Gap Between LUNO and VALR

teruza — Sat, 30 Aug 2025 04:14:31 +0000

Article URL: https://www.teruza.com/info-hub/crypto/investigating-the-july-2025-price-gap-between-luno-and-valr

Comments URL: https://news.ycombinator.com/item?id=45071872

Points: 2

# Comments: 1

How to stop Google from AI-summarising your website

teruza — Fri, 29 Aug 2025 20:28:35 +0000

Article URL: https://www.teruza.com/info-hub/how-to-stop-google-from-ai-summarising-your-website

Comments URL: https://news.ycombinator.com/item?id=45069014

Points: 88

# Comments: 72

AI for Evil

teruza — Fri, 29 Aug 2025 13:12:48 +0000

Article URL: https://www.teruza.com/info-hub/ai/ai-for-evil

Comments URL: https://news.ycombinator.com/item?id=45063673

Points: 1

# Comments: 0

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

teruza — Wed, 20 Aug 2025 08:50:17 +0000

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!

Comments URL: https://news.ycombinator.com/item?id=44960008

Points: 1

# Comments: 0

New comment by teruza in "GPT-5 leaked system prompt?"

teruza — Fri, 08 Aug 2025 05:35:24 +0000

Also, it returns song lyrics all the time for me.

New comment by teruza in "GPT-5 leaked system prompt?"

teruza — Fri, 08 Aug 2025 05:34:33 +0000

Extremely accurate. Each and every single OpenAI employee just got a 1.5 Million USD Bonus. They must be printing money!

New comment by teruza in "Ask HN: What are you working on? (July 2025)"

teruza — Mon, 28 Jul 2025 14:14:14 +0000

Good question. How does your drone know the difference between a fly and a mosquito (and a human)?

New comment by teruza in "Ask HN: What are you working on? (July 2025)"

teruza — Mon, 28 Jul 2025 14:13:01 +0000

Very cool idea. What is your estimated price? This could work well in many African countries if the price is low.

New comment by teruza in "Ask HN: What Are You Working On? (June 2025)"

teruza — Sun, 29 Jun 2025 21:41:42 +0000

Just launched the full history of South African Arbitrage using beautiful graphs for anyone to explore here: https://www.zarbitrage.co.za