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DESCRIPTION:   'Title: Hunting for Cryptographic Ghosts: A Bug Hunter’s G
 uide to\n   Signature Malleability and Replay Attacks in EVM Bridges & Mul
 ti-Sigs\n   Tags: Bug Bounty Village | Creator Talk/Panel\n   When: Friday
 \, Aug 7\, 15:30 - 15:59 PDT\n   Where: LVCCW Level 1 Hall 3 1102 (Creator
  Stage 6) - [1]Map\n\n   Description:\n\n   In the realm of Web3 bug bount
 ies\, smart contract logical flaws are\n   highly sought after\, but the m
 ost devastating\, seven-figure bounties\n   often lie within fundamental c
 ryptographic implementation errors.\n   Specifically\, ECDSA signature mal
 leability and faulty multi-signature\n   threshold state management are re
 sponsible for the biggest bridge\n   drains in history. Yet\, many traditi
 onal bug bounty hunters steer\n   clear due to the perceived mathematical 
 complexity. This presentation\n   demystifies these high-value bug classes
 . We will break down exactly\n   how the EVM processes cryptographic signa
 tures (ecrecover)\, how the\n   mathematical symmetry of elliptic curves a
 llows a single valid\n   signature to be altered into a second\, legally d
 istinct signature\, and\n   how this can be weaponized to bypass multi-sig
 nature validation logic.\n   Attendees will walk away with an actionable\,
  repeatable hunting\n   methodology\, custom scripts to automate signature
  vulnerability\n   testing\, and real-world case studies of massive payout
 s achieved\n   without looking at single line of standard frontend code.\n
 \n   Speakers:Samet Berk Simsek\,Ahmet Furkan Aydogan\n\n   SpeakerBio:  S
 amet Berk Simsek\n\n   Samet Berk Şimşek is a Turknet Cyber Security Spe
 cialist & Web3\n   Developer\n\n   SpeakerBio:  Ahmet Furkan Aydogan\n\n  
  Ahmet Furkan Aydogan is a Tenure-Track Assistant Professor in the\n   Com
 puter Science Department at the University of North Carolina\n   Wilmingto
 n (UNCW). He earned his Ph.D. in Digital and Cyber Forensics\n   Science f
 rom Sam Houston State University (SHSU) in 2024\, with a focus\n   on Cybe
 r Security\, Cryptology\, Machine Learning\, IoT\, and\n   Human-Computer 
 Interaction. His research includes a Brain\n   Frequency-Based Evolutionar
 y Encryption Method for IoT Devices. Ahmet\n   has received multiple award
 s and has published widely in the fields of\n   cybersecurity and digital 
 forensics.\n\n   '\n\n   1. #LVCCW_Level1_Hall3\n\n\n
DTEND:20260807T225900Z
DTSTART:20260807T223000Z
LOCATION:Bug Bounty Village - LVCCW Level 1 Hall 3 1102 (Creator Stage 6)
SUMMARY:Hunting for Cryptographic Ghosts: A Bug Hunter’s Guide to Signatu
 re Malleability and Replay Attacks in EVM Bridges & Multi-Sigs
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