Posts tagged smart contracts

Reentrancy Woes in Smart Contracts

ethereum smart contracts July 13, 2016 at 10:45 AM Emin Gün Sirer
Reentrancy bugs are difficult to catch. This distilled, illustrative example shows how even a diligently-written contract with invariant checks can go wrong.

A Decentralized Escape Hatch for DAOs

ethereum smart contracts July 11, 2016 at 02:42 PM Ittay Eyal and Emin Gün Sirer
We describe a general Decentralized Escape Hatch mechanism, suitable for DAOs and other smart contracts.

Ethereum is Inherently Secure Against Censorship

ethereum smart contracts July 05, 2016 at 01:14 PM Tjaden Hess, River Keefer, and Emin Gün Sirer
Our discovery of a DoS vulnerability in Ethereum turns out to be a point of strength and censorship resistence for the currency.

A Call for a Temporary Moratorium on The DAO

ethereum dao smart contracts May 27, 2016 at 01:35 PM Dino Mark, Vlad Zamfir, and Emin Gün Sirer
We just published a draft article, urging a moratorium on The DAO until some security patches can be applied.