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sapgun/README.md

SAPGUN

Digging practical systems for Web3 trust and sovereign AI.

Builder behind Trench Club — a personal builder lab exploring local-first AI workflows, safer Web3 interactions, and user-owned digital systems.

Portfolio · GitHub · X / Writing


Currently Digging

  • Local-first AI systems that keep knowledge, assets, and approvals under user control.
  • Web3 trust and security products that help users understand risk before signing or transacting.
  • Practical product prototypes built through visible experiments, documented architecture, and working interfaces.

Featured Builds

Project What it explores Status Links
VESPERA Local-first AI operations kit for owned context and human-approved agent workflows Active / Open Source Repository · Live Page
TrustFi Web3 trust and security gateway with transaction review and signing-risk signals MVP Prototype Repository · Live Page
Heychain Chat-based Web3 onboarding experience using AI interfaces Portfolio Build Repository · Live Demo
NodeNest Frontend MVP for modular edge devices and blockchain node operations Frontend MVP Repository · Live Page

The Builder Behind the Shovel

My path began with sports science and Taekwondo, where discipline and repetition shaped the way I work.

I later trained in AI, deep learning, and computer vision, then moved into blockchain product building through Hyperledger Fabric, Ethereum, Solidity, and Solana-oriented development.

Today, I focus on a practical question:

How can we build digital systems where users actually own their context, assets, identity, and trust?

That question connects my work across VESPERA, TrustFi, and Trench Club.


Working Principles

  • Build prototypes that can be inspected, tested, and improved.
  • Separate implemented features from planned ideas.
  • Treat user ownership, trust, and security as product fundamentals.
  • Use AI as a worker in the workflow, not the owner of the workflow.

Working With

TypeScript · Next.js · React · Python · Solidity · Tailwind CSS · PostgreSQL · AI Agents · Web3 UX

Exploring desktop packaging and local-first workflows through Tauri, structured knowledge vaults, and agent orchestration patterns.


Trench Club

Trench Club is my builder lab for documenting experiments and developing products around:

  • Web3 trust and security
  • Sovereign and local-first AI
  • User-owned workflows
  • Practical open-source product building

Keep digging. Build what can be verified.

Pinned Loading

  1. vespera vespera Public

    Local-first AI operations kit. Own your knowledge. Orchestrate your AI team.

    PowerShell 1

  2. Heychain_web3_101 Heychain_web3_101 Public

    Heychain_web3-101 hands on guide

    TypeScript 1

  3. TrustFi TrustFi Public

    Web3 Trust & Security Gateway | Safe Onboarding, Signing Firewall, Trust Score, Vault & Pools

    TypeScript 1

  4. mirwon-chain mirwon-chain Public

    The official implementation of MirWon Chain, an institutional-grade hybrid blockchain for the next-generation digital Korean Won (KRW) stablecoin ecosystem. Built with Cosmos SDK and Ethermint.

    TypeScript 1

  5. NodeNest_DEPIN NodeNest_DEPIN Public

    Web3 modular edge computing device for blockchain node execution

    TypeScript 1