Jinu Ahn
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Core Dev & Infra Engineer :: Active

Building Blockchain
From Core to Infra.

Core Developer and Infrastructure Engineer at B-Harvest. From protocol-level development to production operations.

Current
Blockchain Core Developer @ B-Harvest
Research
Decipher Member
Jinu Ahn
About

Protocol-Level to Production

Building and operating blockchain infrastructure at B-Harvest, covering the full spectrum from protocol-level development to production operations.

Blockchain Core Developer

B-Harvest · Nov 2025 - Present

Developing core features for an L1 blockchain, including a gas waiver system and chain-specific utility modules. Also building dev tooling for validator operations, including a process supervisor with structured state management and security-focused binary verification.

Blockchain DevOps Engineer

B-Harvest · Dec 2023 - Feb 2026

Managed validator and RPC node operations for 20+ networks including Cosmos SDK chains, Babylon, and Chainlink. Designed and operated high-availability infrastructure across bare-metal servers in multiple regions with ArgoCD-driven GitOps workflows. Built devnet-builder, a devnet provisioner that spins up networks from latest mainnet or testnet state.

Blockchain DevOps Engineer (Intern)

B-Harvest · Sep 2023 - Nov 2023

Onboarded to blockchain infrastructure operations. Assisted with node deployment and monitoring tasks.

Decipher, Member

Mar 2025 - Present

Member of a blockchain research society. Contributed to CipherBFT, a consensus protocol implementation based on Autobahn BFT, and presented it at DI-FERENCE 2025. Participating in candidate evaluation and knowledge sharing across DeFi, security, and protocol design topics.

Projects

Projects

cipherbft

A high-performance BFT consensus research project exploring next-generation consensus mechanisms

Rust101
Feb 2026

horcrux

Threshold HA CometBFT/Tendermint remote signer

01
Jul 2025

vigilante

Go155
Mar 2026

cosmos-operator

Go0
Feb 2026
Articles

Articles

[KOR] Deep dive into AutobahnBFT: DAG와 PBFT의 만남
MediumMar 2, 2026

[KOR] Deep dive into AutobahnBFT: DAG와 PBFT의 만남

Reviewed By

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Inside Commonware
MediumJan 29, 2026

Inside Commonware

In November 2025, Tempo announced a $25 million investment backed by Paradigm and Dragonfly. The investment was a strategic commitment to Commonware, a new proj...

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Deep dive into Babylon
MediumAug 26, 2025

Deep dive into Babylon

Author

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[KOR] Deep dive into Sui
MediumApr 5, 2025

[KOR] Deep dive into Sui

기존 블록체인 시스템은 확장성과 병렬 처리의 한계를 오랫동안 안고 있었습니다. 계좌 기반(Account-Based)의 전통적인 블록체인 모델은 트랜잭션 간의 충돌을 피하기 어려웠고, 합의-실행 과정이 강하게 결합되어 있는 구조에서는 처리량과 지연 시간 사이의 트레이드오프가 필연적으로 존...

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How to use buildkit on MacOS apple silicon?
MediumMay 6, 2024

How to use buildkit on MacOS apple silicon?

Some opensource projects(like associated with building images) uses buildkit as build env.

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View all on Medium ↗
Contact

Contact

[email protected]
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