Daejeon, Korea
At the intersection of AI, blockchain, and the physical world.
Coding + Business. I ship LLM systems on the cloud, build blockchain infrastructure, and teach machines about the physical world — then write about what I learn.
Relaunching this site as a working journalA quieter, editorial home for notes on AI, blockchain, and building — with a homepage t...
Meta
Serving open LLMs on Cloud Run with vLLMNotes on getting throughput up and cost down when you serve your own models instead of ...
AI
What an L2 actually has to get rightRollups are easy to describe and hard to operate. A short list of the parts that decide...
Blockchain
Giving robots a usable model of the worldPerception tells a robot what it sees. Knowledge tells it what that means. The gap betw...
Physical AI
Multilingual batch document translation into 50+ languages.
Designed and built end-to-end — Excel, Word, HWPX, PowerPoint, PDF, and Google Workspace files translated in one pass. Preserves tables and layout, caching cuts cost up to 80%, with glossary control and TTS in 40+ languages.
kyopo.ai →
Serving open LLMs at scale — vLLM on Google Cloud Run, inference optimization, agentic pipelines.
Ethereum & OP-stack L2 infrastructure with the Tokamak Network ecosystem.
Ontology-based reasoning for embodied agents and robotics (KnowRob).
Product engineering across React · TypeScript front-ends and Spring · Java services.
ValleyJin
Medium
@ValleyJin