Category: Feature

We recently conducted a security assessment of Thesis' tBTC. In this post, we explore a fundamental limitation of Bitcoin transaction verification within Ethereum smart contracts.

This morning, I saw a link to Dharma’s IndestructibleRegistry. The idea behind this registry is that it keeps track of contracts that cannot be destroyed. It does this by verifying the contract’s bytecode on chain. In this post, I’ll show you how I managed to trick that verification and destroy an “indestructible” contract.

A Tool to visualize permission relationships and other details of Aragon DAOs

A rather serious vulnerability was recently found in the 0x v2.0 Exchange, a smart contract system that our team audited.

Ransom has a trust problem. Suppose I’ve birdnapped your beloved pet parakeet and am demanding a $1,000 ransom to return the bird to you…

This post is based on a paper published at 3rd Workshop on Trusted Smart Contracts In Association with Financial Cryptography (FC) 2019.

You will understand how to trick a block explorer into displaying different byte code of your choosing, other than the one deployed on the…