Kuan Yu

Journal

Decisions, lessons, patterns. Logged so future me (or AI) can spot what I can't see from inside.

Pinned

2026

15 Days with Fable

Fable 5 came out two weeks ago. This is one long article on everything I actually built with it: 15 builds, real numbers, live links where they exist, and the embarrassing parts left in. It grows as each build lands.

TECHNOLOGY AI BUSINESS ENTREPRENEURSHIP
Token Daddy: An Investment Thesis on Compute Power

Sugar daddies have money. Drug lords have drugs. Oil sheiks have oil. In the AI age, the person holding the GPUs decides who gets to build. A power taxonomy, an inverted escape curve, and where in the compute stack the money actually pools.

FINANCE CRYPTO TECHNOLOGY AI

2025

Marathon #5: The Day the Demon Never Showed Up

I ran every previous marathon for the moment the body votes to stop. This time, I ran a 17-minute PB, but the demon never came. The training worked too well, robbing me of the only moment I actually cared about.

MARATHON PERSONAL DEVELOPMENT
The Art of Finishing: Navigating Feature Creep in Solo Development

What started as an overnight hackathon turned into a two-week marathon. A candid exploration of feature creep, the 80/20 problem in indie development, and why finishing projects is harder than starting them.

TECHNOLOGY AI PERSONAL DEVELOPMENT INSIGHTS LEARNINGS BUSINESS ENTREPRENEURSHIP
Crypto Data Scraper in 1 Day

Building a Python application to scrape cryptocurrency data from CoinMarketCap and project websites, with Google Sheets integration

FINANCE CRYPTO

2024

From Entrepreneur to SalaryMan: A Journey of Unexpected Growth

My personal journey transitioning from business owner to employee, reflecting on the challenges, unexpected growth, and maintaining entrepreneurial ambitions while navigating a new career path.

PERSONAL DEVELOPMENT BUSINESS ENTREPRENEURSHIP INSIGHTS LEARNINGS
E-commerce Tempts Me - But I Want to Solve Real Problems

My journey from obsessing over e-commerce optimization to seeking meaningful work that addresses real-world problems, reflecting on the difference between efficiency and effectiveness.

BUSINESS ENTREPRENEURSHIP PERSONAL DEVELOPMENT INSIGHTS LEARNINGS
Crossroads in Cambodia

A transformative journey to Cambodia for a friend's wedding that evolved into a profound exploration of personal values, relationships, and cultural insights.

TRAVEL ADVENTURE PERSONAL DEVELOPMENT INSIGHTS LEARNINGS

2023

2023 Reflecting on the Year End

A year-end reflection on achievements, regrets, and lessons learned through various projects and personal challenges.

INSIGHTS LEARNINGS
Running my 3rd Marathon

My experience and reflections on running my third marathon, with strategies, challenges, and lessons learned for future races.

MARATHON

2018

What is the Kimchi Premium?

The kimchi premium—higher crypto prices on South Korean exchanges—spurred arbitrage goldmines since 2017. Alameda Research, Three Arrows Capital, and BXB Capital leveraged it, with Sam Bankman-Fried’s firm fueling FTX’s rise. Explained by Investopedia and others, it’s a tale of profit amid regulation.

CRYPTO

2015