FIG. 1 — UNBOTHEREDSECURITY RESEARCHER — SEOUL, KR
Doyeon Park
aka ehdus
Security researcher, mostly around cryptocurrency — auditing protocols and living off bounties.
nowcosmos bbp '26 — rank #1, hackeroneprevzellic — evm audits, remoteedukorea univ. — cyber defensebugsgeth · cometbft · +21 webmailparkttule0305@gmail.com
EXPERIENCE
Whitehat ResearcherAPR 2026 —
Bug bounty & protocol research · Remote
Security ResearcherSEP 2024 — MAY 2025
EDUCATION
Korea University2024 —
B.S. Cyber Defense · Seoul, South Korea
GCJW Highschool2021 — 2024
High School Diploma · Seoul, South Korea
ACHIEVEMENTS
Codegate AI Hackathon — finalist2026.07
Hacktheon Sejong — finalist2025.07
Hacksium in Busan — finalist2025.07
Cyber Security Hackathon 2024 [1st]2024.09
XRPL Hackathon — finalist2024.08
The Hacking Championship [gold]2023.11
JBU CTF [bronze]2023.10
ELECCON 2023 — finalist2023.10
Whitehat Contest 2023 — finalist2023.09
WACON 2023 — finalist2023.09
Junction Asia 2023 — finalist2023.08
Kyungwoon Univ. SW Competition [1st]2023.08
CCE 2023 — finalist2023.07
PUBLIC RESEARCH REPORTS
StakeKit — Zellic Audit Report2025.03Cultured Protocol — Zellic Audit Report2025.02Pyth Lazer EVM — Zellic Audit Report2025.02XLS-69: Safe Transaction Simulation on XRPL2024.07Exploring Smart Contract Vulns — Ethernaut2024.061-Day Analysis: Focusing on Arbitrum2024.04
DISCLOSED VULNERABILITIES
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Ethereum Execution Client — Overdraft DoS in TxPool pull request
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Cosmos Consensus Layer (CometBFT) — Block Sync Disruption via Malicious Peer report
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21 web vulnerabilities disclosed via Wordfence profile
CVE-2023-39919, CVE-2023-41127, CVE-2023-41128, CVE-2023-41136, CVE-2023-41948, CVE-2023-44239, CVE-2023-44479, CVE-2023-45758, CVE-2023-45832, CVE-2023-46068, CVE-2023-47223, CVE-2023-47545, CVE-2023-47833, CVE-2023-49157, CVE-2023-49188, CVE-2023-49189, CVE-2023-49191, CVE-2023-49841, CVE-2023-50829, CVE-2023-50830, CVE-2023-51374