DEF CON 34 talks are here: 354 talks, summarized and searchable.
Browse DEF CON 34DEF CON 34/Cryptocurrency Village across years
Las Vegas Convention Center · 6–9 August 2026 · 5 talks
Cryptocurrency Village talks from DEF CON 34.
1–5 of 5 talks
Cryptocurrency Village·53 min
Luke Szramowski · Diego Salazar · Rigo Salazar
Walks attendees through breaking classic ciphers by hand, from shift and substitution ciphers to the Vigenère cipher and the Kasiski method.
Cryptocurrency Village·35 min
Michael Schloh · Diego Salazar
Recaps the Cryptocurrency Village's hackathon, CTF, workshops and prizes at DEF CON 34, and previews its plans for Singapore and Bahrain.
Cryptocurrency Village·27 min
Do Truong Giang · Sadiq · Arjun Suresh
Explains how a Cryptohack badge signs crypto transactions on-device and walks through the hardware attack surfaces an attacker with physical access could try.
Cryptocurrency Village·30 min
Hanley Shun · Cong Zhang · Oscar Skjerven
Shows how a crypto exchange built an LLM-based scanner to gate code merges, and how internal testers bypassed it.
Cryptocurrency Village·46 min
Philip Werlau · Kennashka De Silva
Surveys how Web3 users, dApp frontends, and smart contracts get compromised, then walks through the forensics of the $1.5 billion Bybit theft.
