Categories
Writeups

PolySwarm Smart Contract Hacking Challenge Writeup

This is a walk through for the smart contract hacking challenge organized by PolySwarm for CODE BLUE conference held in Japan on November 01–02. Although the challenge was supposed to be held on-site for whitelisted addresses only, Ben Schmidt of PolySwarm kindly shared a wallet so that I could participate in the challenge.

Categories
Talks

Predicting Random Numbers in Ethereum Smart Contracts

Slides from my AppSec California 2018 talk “Predicting Random Numbers in Ethereum Smart Contracts”

Detailed blog post: https://blog.positive.com/predicting-random-numbers-in-ethereum-smart-contracts-e5358c6b8620