Building Blockchain-Native AI
For Financial Infrastructure.
Forward Deployed Engineer at Altus (formerly B-Harvest), building AI-powered products and infrastructure for financial infrastructure transformation. Background in blockchain protocol development and infrastructure operations across 20+ networks.
Protocol to Product
Building AI-powered products and infrastructure for financial infrastructure transformation at Altus (formerly B-Harvest), spanning product engineering, cloud infrastructure, and security. Background in Cosmos SDK protocol development and blockchain infrastructure operations across 20+ networks.
Forward Deployed Engineer
Building AI-powered internal products and operational platforms for financial infrastructure transformation, including an AI-powered BD intelligence platform, AI-assisted presentation tooling, and security automation covering secret scanning and DLP evaluation. Also designs and operates AWS infrastructure across ECS, IAM, DynamoDB, SQS, and Terraform.
Blockchain Core Developer
Developed core features for an L1 blockchain, including a gas waiver system and chain-specific utility modules. Also built dev tooling for validator operations, including a process supervisor with structured state management and security-focused binary verification.
Blockchain DevOps Engineer
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)
Onboarded to blockchain infrastructure operations. Assisted with node deployment and monitoring tasks.
Wall Street Defi Seminar, Member
Member of a seminar exploring the intersection of traditional Wall Street finance and decentralized finance protocols.
Decipher, Member
Member of a blockchain research society. Contributed to CipherBFT, a consensus protocol implementation based on Autobahn BFT, and presented it at DE-FERENCE 2026. Participating in candidate evaluation and knowledge sharing across DeFi, security, and protocol design topics.
Articles

PoC는 됐다. 오라클이 없으면 그 다음은 없다
블록체인 도입을 검토하는 금융기관이 반복적으로 멈추는 지점이 있다. 기술 문제가 아니다.

Why your blockchain node is always slow
Not the wrong instinct. But in my experience, the real culprit is the disk.
![[ENG] What LayerZero DVNs See, What Cosmos IBC Light Clients See](https://substackcdn.com/image/fetch/%24s_!EyM7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6b7d4e3-0118-4d3d-8ad0-1f2445c36a9a_2040x1500.png)
[ENG] What LayerZero DVNs See, What Cosmos IBC Light Clients See
A structural comparison of cross-chain verification, surfaced by the KelpDAO $290M exploit
![[KOR] Layerzero DVN이 보는 것, Cosmos IBC가 보는 것](https://substackcdn.com/image/fetch/%24s_!EyM7!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6b7d4e3-0118-4d3d-8ad0-1f2445c36a9a_2040x1500.png)
[KOR] Layerzero DVN이 보는 것, Cosmos IBC가 보는 것
KelpDAO 2.9억 달러 탈취 사건이 드러낸 cross-chain 검증의 구조적 차이

CometBFT's Blocksync 0-Day: Neither High Nor Informational
Three failures to separate: the bug, the severity claim, the triage process

금융기관이 블록체인을 도입하면 취약점 평가에서 막힌다
법은 막지 않는데 평가 체계가 막는다