Security alert [11/24/2016]: Consensus bug in geth v1.4.19 and v1.5.2
Security Alert Affected configurations: Geth Severity: High Summary: An issue has been identified with Geth’s journaling mechanism. This caused a network fork at block #2686351 (Nov-24-2016 14:12:07 UTC). The…
Read More »Ethereum Research Update
This week marks the completion of our fourth hard fork, Spurious Dragon, and the subsequent state clearing process, the final steps in the two-hard-fork solution to the recent Ethereum denial of service…
Read More »zkSNARKs in a nutshell
The possibilities of zkSNARKs are impressive, you can verify the correctness of computations without having to execute them and you will not even learn what was executed – just that…
Read More »The History of Casper – Chapter 1
Vitalik suggested last week that I share my basic research and design philosophy in a blog post, I agreed but complained that it was still changing. My friend Jon West…
Read More »The History of Casper – Chapter 2
This chapter describes the game theory and economic security modelling we were doing in the Fall of 2014. It recounts how the “bribing attacker model” led our research directly to…
Read More »Swarm alpha public pilot and the basics of Swarm
With the long awaited geth 1.5 (“let there bee light”) release, Swarm made it into the official go-ethereum release as an experimental feature. The current version of the code is…
Read More »Security alert [12/19/2016]: Ethereum.org Forums Database Compromised
On December 16, we were made aware that someone had recently gained unauthorized access to a database from forum.ethereum.org. We immediately launched a thorough investigation to determine the origin, nature,…
Read More »December Roundup
December marks a month of continued progress in the Ethereum ecosystem. Research on proof of stake and sharding continues after the research team’s workshop in Singapore in November, the light client…
Read More »Introduction of the Light Client for DApp developers
The first version of the Light Ethereum Subprotocol (LES/1) and its implementation in Geth are still in an experimental stage, but they are expected to reach a more mature state…
Read More »An Update on Integrating Zcash on Ethereum (ZoE)
Members of the Ethereum R&D team and the Zcash Company are collaborating on a research project addressing the combination of programmability and privacy in blockchains. This joint post is being…
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