Hacking, Distributed

Thoughts on The DAO Hack

dao ethereum June 17, 2016 at 09:45 AM Emin Gün Sirer

The DAO was just hacked and a few million ether is missing. Here are my quick thoughts on what this means and where we go from here.

Scanning Live Ethereum Contracts for the "Unchecked-Send" Bug

ethereum etherscrape bug-finding June 16, 2016 at 01:15 PM Zikai Alex Wen and Andrew Miller

In this post, we examine just how prevalent the recently discovered "unchecked-send" bug is in real, live, deployed Ethereum contracts, with the aid of an automated analysis tool we have developed.

Caution: The DAO Can Turn Into a Naturally-Arising Ponzi

dao ethereum ponzi June 13, 2016 at 09:15 AM Emin Gün Sirer

The DAO is under pressure to turn itself into a Ponzi. I explain the "natural-born Ponzi" mechanisms, and call for the community to be on guard for such proposals.

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.

Logical Fallacies in the Hunt for Satoshi

bitcoin satoshi May 04, 2016 at 09:40 AM Emin Gün Sirer

I point out some of the pitfalls I see my colleagues fall into as Craig Wright's Satoshi saga unfolds.

Extraordinary Satoshi Claims

bitcoin satoshi May 02, 2016 at 04:00 PM Emin Gün Sirer

Craig Wright has made yet another claim to be Satoshi Nakamoto. This post describes what it takes to make a credible claim.

Bitcoin's $137,000 Jackpot

bitcoin fees tumblers money-laundering April 29, 2016 at 08:48 AM Christian Decker and Emin Gün Sirer

There was a bitcoin transaction carrying a $137K fee. This posts examines why transactions might carry such large fees, and rules out some explanations.