
Jaehyun Ha
Research Analyst
Jaehyun is a blockchain security researcher with a keen interest in enhancing the safety and reliability of decentralized systems. His research primarily focuses on consensus mechanisms, peer-to-peer network security, and the mitigation of Denial-of-Service attacks targeting blockchain infrastructures. As the first author, Jaehyun published his paper “On the Sustainability of Bitcoin Partitioning Attacks” at FC’23 (Financial Cryptography and Data Security). He holds a Bachelor of Science from KAIST School of Computing (KAIST SoC) and a Master’s degree in Information Security from KAIST Graduate School of Information Security (KAIST GSIS).
Articles by This Author

Daily Market Brief • Mar 21, 2025
Daily Market Brief 250321



Crypto Focus • Feb 27, 2025
Deanonymization in Blockchain Networks


Data Focus • Jan 10, 2025
Whale Alerts: Are They Tradable?



Presto Original • Dec 16, 2024
From Chaos To Clarity: 2024 Crypto Market Review & 2025 Forecasts






Crypto Focus • Sep 27, 2024
DoS on Blockchains: A P2P Layer’s View


Crypto Focus • Sep 4, 2024
Babylon: Two Birds with One Stone


Crypto Focus • Aug 16, 2024
SBC'24 Takeaways: Aiming To Solve Real World Problems


Crypto Focus • Jul 29, 2024
ZKApps 101: An Overview and Outlook of the ZKApps Landscape.


Crypto Focus • Jun 3, 2024
Cross-chain Bridge Exploits: There Are More Risks Than You Know
