Notes for builders
& operators in Korea
Practical writing from shipping product and doing business inside the Korean market — the reasoning, the friction, the takeaways.
All reads · newest first
01
IT
Data Analysis with AI: Does Rain Actually Boost Chicken Delivery?
Everyday business, solved with data — Part 1
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02
Product
AI Is Just the Guide Hand. You Still Take the Shot
What Sakuragi Hanamichi Taught Me About Building Products with Claude
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03
Product
The Success Story of Crimson Desert: “We Didn’t Know What You’d Like, So We Put Everything In”
Rethinking the Meaning of Beta Testing Through Crimson Desert
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04
AI CreatorEXT
Solo Leveling Becomes Reality Through AI
AI as a 24/7 Dungeon System in Your Hands1.In Solo Leveling, the main character Sung Jin-Woo begins as an E-rank hunter, the weakest of all.Solo Levelling AnimeHe barely survives each dungeon raid, risking his life just to make a living. Then one day, during a deadly “double dungeon” incident where
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05
AI CreatorEXT
“That Time I Got Reincarnated as a Designer”
How Claude Made Me Feel Like I Suddenly Gained Design SkillsWhat does That Time I Got Reincarnated as a Slime have to do with Claude?That Time I Got Reincarnated as a SlimeWhen it comes to popular anime based on light novels, one of the first titles that comes to mind is That Time I Got Reincarnated
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06
ITEXT
If You Installed a Crypto Wallet but Never Actually Used It
A beginner-friendly guide for people who are curious about crypto wallets but find them too complicatedI vaguely remember the first time I installed MetaMask, a crypto wallet used to manage digital assets.After installing it, I had absolutely no idea how to use it. So MetaMask became one of those fo
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07
ITEXT
Stablecoins and Cross-Chain Transactions: Are They Possible?
You have probably heard a lot about stablecoins. Often described as a future payment method, stablecoins have characteristics that distinguish them from ordinary cryptocurrencies. Like other crypto assets, they are stored in wallets. But the biggest difference is that their value is designed to be m
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08
AI CreatorEXT
My Friend Built a Web App, So I Connected It to a Telegram Bot
Using Telegram Bots to Escape the Limits of Web PagesTelegram notifies you through a new chat whenever someone saved in your contacts joins the app. Recently, I started noticing these notifications more often than before. It made me feel like the number of Telegram users had suddenly increased.So I
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09
AI CreatorEXT
From One Punch Man to One AI Man
When Ideas That Once Stayed as Inspiration Become RealityOne anime that became especially famous in Korea for its animation quality is Demon Slayer.Before Demon Slayer became a mainstream hit, clips of Tanjiro’s “Water Breathing” scenes were already circulating across various online communities. I w
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10
ITEXT
What Do You Do With USDT When It’s Your Salary?
Navigating crypto trading regulations in South KoreaThis week, I received an unexpected message on LinkedIn. A recruiter reached out about a position at a crypto company, asking if I’d be interested in applying. Given that I’m currently working on a crypto-related project, it made sense that I’d sho
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