Beyond Private Key Security: Cosigners and Advanced Policy Engines - DeFi Security Summit 2025
Duration: 00:42:24
Speaker:
Type: Talk
Expertise:
Event: Devcon
Date: Jul 2026
Speaker: Ran Barth, Solution Engineer, Blockaid
Private keys were meant to secure assets, but often do the opposite. Even multisig and MPC setups can leave signers blind to what they’re approving, leading to real breaches like the Bybit hack. This session examines how advanced policy engines and cosigners enable real-time validation and transparency in transaction security.
About DSS
Every year, DSS brings together top minds in blockchain, auditing, and security — from white-hat hackers and protocol developers to academic researchers and industry leaders. The goal? To tackle the most pressing issues in DeFi security head-on — from smart contract exploits and cross-chain vulnerabilities to governance threats and beyond.
https://defisecuritysummit.org/